Anisotropic magnetism and electronic structure of trigonal EuAl2Ge2 single crystals

Pakhira, Santanu; Kundu, Asish K.; Islam, Farhan; Tanatar, M. A.; Roy, Tufan; Heitmann, Thomas; Yilmaz, T.; Vescovo, E.; Tsujikawa, Masahito; Shirai, Masafumi; Prozorov, R.; Vaknin, David; Johnston, D. C.

doi:10.1103/physrevb.107.134439

Title: Anisotropic magnetism and electronic structure of trigonal EuAl₂Ge₂ single crystals

Abstract

Understanding the interplay between magnetic and electronic degrees of freedom is of profound recent interest in different Eu-based magnetic topological materials. Here, we studied the magnetic and electronic properties of the layered Zintl-phase compound EuAl₂Ge₂ crystallizing in the trigonal CaAl₂Si₂-type structure. We report zero-field neutron diffraction, temperature T - and magnetic-field H-dependent magnetic susceptibility χ(T, H), isothermal magnetization M(T, H), heat capacity C_p(T, H), and electrical resistivity ρ(T, H) measurements, together with T-dependent angle-resolved photoemission spectroscopy (ARPES) measurements complemented with first-principle calculations. EuAl₂Ge₂ undergoes second-order A-type antiferromagnetic (AFM) ordering below T_N = 27.5(5) K, with the Eu moments (Eu²⁺, S = 7/2) aligned ferromagnetically in the ab plane while these layers are stacked antiferromagnetically along the c axis. The critical fields at which all moments become parallel to the field are 37.5(5) and 52.5(5) kOe for H ∥ ab and H ∥ c, respectively. The H = 0 magnetic structure consists of trigonal AFM domains associated with ab-plane magnetic anisotropy and a field-induced reorientation of the Eu spins in the domains is also evident at T = 2 K below the critical field H_c1 = 2.5(1) kOe. The ρ(T) measurements reveal metallic behavior transforming into a slight resistivity increase onmore »« less

Authors:

^[1]; Kundu, Asish K. ^[2]; Islam, Farhan ^[3];

^[3];

^[4]; Heitmann, Thomas ^[5]; Yilmaz, T. ^[6]; Vescovo, E. ^[6];

^[4];

^[4]; Prozorov, R. ^[3];

^[3];

^[3]

Ames Lab., and Iowa State Univ., Ames, IA (United States); Karlsruhe Inst. of Technology (KIT) (Germany)
Brookhaven National Lab. (BNL), Upton, NY (United States)
Ames Lab., and Iowa State Univ., Ames, IA (United States)
Tohoku Univ., Sendai (Japan)
Univ. of Missouri, Columbia, MO (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source II (NSLS-II)

Publication Date:: Fri Apr 28 00:00:00 EDT 2023

Research Org.:: Ames Laboratory (AMES), Ames, IA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE)

OSTI Identifier:: 1972799

Report Number(s):: IS-J 11,057
Journal ID: ISSN 2469-9950; TRN: US2313833

Grant/Contract Number:: AC02-07CH11358; SC0012704

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review. B

Additional Journal Information:: Journal Volume: 107; Journal Issue: 13; Journal ID: ISSN 2469-9950

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats


                    Pakhira, Santanu, Kundu, Asish K., Islam, Farhan, Tanatar, M. A., Roy, Tufan, Heitmann, Thomas, Yilmaz, T., Vescovo, E., Tsujikawa, Masahito, Shirai, Masafumi, Prozorov, R., Vaknin, David, and Johnston, D. C. Anisotropic magnetism and electronic structure of trigonal EuAl2Ge2 single crystals.  United States: N. p., 2023. 
Web.  doi:10.1103/physrevb.107.134439.

Copy to clipboard


                    Pakhira, Santanu, Kundu, Asish K., Islam, Farhan, Tanatar, M. A., Roy, Tufan, Heitmann, Thomas, Yilmaz, T., Vescovo, E., Tsujikawa, Masahito, Shirai, Masafumi, Prozorov, R., Vaknin, David, & Johnston, D. C. Anisotropic magnetism and electronic structure of trigonal EuAl2Ge2 single crystals.  United States.  https://doi.org/10.1103/physrevb.107.134439

Copy to clipboard


                    Pakhira, Santanu, Kundu, Asish K., Islam, Farhan, Tanatar, M. A., Roy, Tufan, Heitmann, Thomas, Yilmaz, T., Vescovo, E., Tsujikawa, Masahito, Shirai, Masafumi, Prozorov, R., Vaknin, David, and Johnston, D. C. Fri .  
"Anisotropic magnetism and electronic structure of trigonal EuAl2Ge2 single crystals".  United States.  https://doi.org/10.1103/physrevb.107.134439.

Copy to clipboard


                    
@article{osti_1972799,

  title        = {Anisotropic magnetism and electronic structure of trigonal EuAl2Ge2 single crystals},

  author       = {Pakhira, Santanu and Kundu, Asish K. and Islam, Farhan and Tanatar, M. A. and Roy, Tufan and Heitmann, Thomas and Yilmaz, T. and Vescovo, E. and Tsujikawa, Masahito and Shirai, Masafumi and Prozorov, R. and Vaknin, David and Johnston, D. C.},

  abstractNote = {Understanding the interplay between magnetic and electronic degrees of freedom is of profound recent interest in different Eu-based magnetic topological materials. Here, we studied the magnetic and electronic properties of the layered Zintl-phase compound EuAl2Ge2 crystallizing in the trigonal CaAl2Si2-type structure. We report zero-field neutron diffraction, temperature T - and magnetic-field H-dependent magnetic susceptibility χ(T, H), isothermal magnetization M(T, H), heat capacity Cp(T, H), and electrical resistivity ρ(T, H) measurements, together with T-dependent angle-resolved photoemission spectroscopy (ARPES) measurements complemented with first-principle calculations. EuAl2Ge2 undergoes second-order A-type antiferromagnetic (AFM) ordering below TN = 27.5(5) K, with the Eu moments (Eu2+, S = 7/2) aligned ferromagnetically in the ab plane while these layers are stacked antiferromagnetically along the c axis. The critical fields at which all moments become parallel to the field are 37.5(5) and 52.5(5) kOe for H ∥ ab and H ∥ c, respectively. The H = 0 magnetic structure consists of trigonal AFM domains associated with ab-plane magnetic anisotropy and a field-induced reorientation of the Eu spins in the domains is also evident at T = 2 K below the critical field Hc1 = 2.5(1) kOe. The ρ(T) measurements reveal metallic behavior transforming into a slight resistivity increase on cooling towards TN. A pronounced loss of spin-disorder scattering is observed below TN. The ARPES results show that EuAl2Ge2 is metallic both above and below TN, and the Fermi surface is anisotropic with two hole pockets at the zone center and one small electron pocket at each M point. In the AFM phase, we directly observe folded bands in ARPES due to the doubling of the magnetic unit cell along the c axis with an enhancement of quasiparticle weight due to the complex change in the coupling between the magnetic moments and itinerant electrons on cooling below TN. The observed electronic structure is well reproduced by first-principle calculations, which also predict the presence of nontrivial electronic states near the Fermi level in the AFM phase with Z2 topological numbers 1;(000)},

  doi          = {10.1103/physrevb.107.134439},

  journal      = {Physical Review. B},

  number       = 13,

  volume       = 107,

  place        = {United States},

  year         = {Fri Apr 28 00:00:00 EDT 2023},

  month        = {Fri Apr 28 00:00:00 EDT 2023}

}

Copy to clipboard

Journal Article:

Free Publicly Available Full Text

This content will become publicly available on April 28, 2024

Publisher's Version of Record

https://doi.org/10.1103/physrevb.107.134439

Other availability

Search WorldCat to find libraries that may hold this journal

Save / Share:

Export Metadata

Save to My Library

Works referenced in this record:

Generalized Gradient Approximation Made Simple
journal, October 1996

Perdew, John P.; Burke, Kieron; Ernzerhof, Matthias
Physical Review Letters, Vol. 77, Issue 18, p. 3865-3868
DOI: 10.1103/PhysRevLett.77.3865

Indirect chiral magnetic exchange through Dzyaloshinskii–Moriya-enhanced RKKY interactions in manganese oxide chains on Ir(100)
journal, June 2019

Schmitt, Martin; Moras, Paolo; Bihlmayer, Gustav
Nature Communications, Vol. 10, Issue 1
DOI: 10.1038/s41467-019-10515-3

Topological electronic structure of YbMg2Bi2 and CaMg2Bi2
journal, June 2022

Kundu, Asish K.; Roy, Tufan; Pakhira, Santanu
npj Quantum Materials, Vol. 7, Issue 1
DOI: 10.1038/s41535-022-00474-2

Projector augmented-wave method
journal, December 1994

Blöchl, P. E.
Physical Review B, Vol. 50, Issue 24, p. 17953-17979
DOI: 10.1103/PhysRevB.50.17953

Dirac Surface States in Intrinsic Magnetic Topological Insulators EuSn 2 As 2 and MnBi 2 n Te 3 n + 1
journal, November 2019

Li, Hang; Gao, Shun-Ye; Duan, Shao-Feng
Physical Review X, Vol. 9, Issue 4
DOI: 10.1103/PhysRevX.9.041039

An updated version of wannier90: A tool for obtaining maximally-localised Wannier functions
journal, August 2014

Mostofi, Arash A.; Yates, Jonathan R.; Pizzi, Giovanni
Computer Physics Communications, Vol. 185, Issue 8
DOI: 10.1016/j.cpc.2014.05.003

Magnetic Susceptibility of Collinear and Noncollinear Heisenberg Antiferromagnets
journal, August 2012

Johnston, D. C.
Physical Review Letters, Vol. 109, Issue 7
DOI: 10.1103/PhysRevLett.109.077201

Strong correlations and spin-density-wave phase induced by a massive spectral weight redistribution in $α {-Fe}_{1.06} Te$
journal, October 2010

Zhang, Y.; Chen, F.; He, C.
Physical Review B, Vol. 82, Issue 16
DOI: 10.1103/PhysRevB.82.165113

Origin of the Resistivity Anisotropy in the Nematic Phase of FeSe
journal, September 2016

Tanatar, M. A.; Böhmer, A. E.; Timmons, E. I.
Physical Review Letters, Vol. 117, Issue 12
DOI: 10.1103/PhysRevLett.117.127001

Manipulating magnetism in the topological semimetal ${EuCd}_{2} {As}_{2}$
journal, April 2020

Jo, Na Hyun; Kuthanazhi, Brinda; Wu, Yun
Physical Review B, Vol. 101, Issue 14
DOI: 10.1103/PhysRevB.101.140402

Visualizing band selective enhancement of quasiparticle lifetime in a metallic ferromagnet
journal, December 2021

Jo, Na Hyun; Wu, Yun; Trevisan, Thaís V.
Nature Communications, Vol. 12, Issue 1
DOI: 10.1038/s41467-021-27277-6

Electrons and Phonons
book, January 2001

Ziman, J. M.
DOI: 10.1093/acprof:oso/9780198507796.001.0001

From ultrasoft pseudopotentials to the projector augmented-wave method
journal, January 1999

Kresse, G.; Joubert, D.
Physical Review B, Vol. 59, Issue 3, p. 1758-1775
DOI: 10.1103/PhysRevB.59.1758

Magnetic crystalline-symmetry-protected axion electrodynamics and field-tunable unpinned Dirac cones in EuIn2As2
journal, February 2021

Riberolles, S. X. M.; Trevisan, T. V.; Kuthanazhi, B.
Nature Communications, Vol. 12, Issue 1
DOI: 10.1038/s41467-021-21154-y

Magnetic field induced ab -plane rotation of the Eu magnetic moments in trigonal EuMg2Bi2 and EuMg2Sb2 single crystals below their Néel temperatures
journal, November 2022

Pakhira, Santanu; Lee, Yongbin; Ke, Liqin
Physical Review B, Vol. 106, Issue 18
DOI: 10.1103/PhysRevB.106.184423

Crystal Defect Doping on Antiferromagnetic Topological Insulator Candidate EuMg₂Bi₂
journal, December 2021

Marshall, Madalynn; Xie, Weiwei
The Journal of Physical Chemistry C, Vol. 126, Issue 1
DOI: 10.1021/acs.jpcc.1c08980

Density-functional theory and strong interactions: Orbital ordering in Mott-Hubbard insulators
journal, August 1995

Liechtenstein, A. I.; Anisimov, V. I.; Zaanen, J.
Physical Review B, Vol. 52, Issue 8
DOI: 10.1103/PhysRevB.52.R5467

The Zintl phases A In ₂ As ₂ (A = Ca, Sr, Ba): new topological insulators and thermoelectric material candidates
journal, January 2021

Ogunbunmi, Michael O.; Baranets, Sviatoslav; Childs, Amanda B.
Dalton Transactions, Vol. 50, Issue 26
DOI: 10.1039/D1DT01521D

Antiferro- and metamagnetism in the S=7/2 hollandite analog EuGa2Sb2
journal, November 2021

Berry, Tanya; Parkin, Sean R.; McQueen, Tyrel M.
Physical Review Materials, Vol. 5, Issue 11
DOI: 10.1103/PhysRevMaterials.5.114401

Magnetic and electronic structures of antiferromagnetic topological material candidate EuMg ₂ Bi ₂
journal, January 2021

Marshall, Madalynn; Pletikosić, Ivo; Yahyavi, Mohammad
Journal of Applied Physics, Vol. 129, Issue 3
DOI: 10.1063/5.0035703

Large magnetic cooling power involving frustrated antiferromagnetic spin-glass state in $R_{2} {NiSi}_{3} (R = Gd, Er)$
journal, September 2016

Pakhira, Santanu; Mazumdar, Chandan; Ranganathan, R.
Physical Review B, Vol. 94, Issue 10
DOI: 10.1103/PhysRevB.94.104414

Resistivity Minimum in Highly Frustrated Itinerant Magnets
journal, November 2016

Wang, Zhentao; Barros, Kipton; Chern, Gia-Wei
Physical Review Letters, Vol. 117, Issue 20
DOI: 10.1103/PhysRevLett.117.206601

Recent progress and future challenges on thermoelectric Zintl materials
journal, June 2017

Shuai, Jing; Mao, Jun; Song, Shaowei
Materials Today Physics, Vol. 1
DOI: 10.1016/j.mtphys.2017.06.003

Low-field magnetic anomalies in single crystals of the A-type square-lattice antiferromagnet EuGa4
journal, January 2023

Pakhira, Santanu; Johnston, D. C.
Physical Review B, Vol. 107, Issue 2
DOI: 10.1103/PhysRevB.107.024421

Fermi Surface Reconstruction in the CDW State of ${C e T e}_{3}$ Observed by Photoemission
journal, September 2004

Brouet, V.; Yang, W. L.; Zhou, X. J.
Physical Review Letters, Vol. 93, Issue 12
DOI: 10.1103/PhysRevLett.93.126405

Topological semimetal to insulator quantum phase transition in the Zintl compounds $B a_{2} X (X = Si, Ge)$
journal, October 2016

Zhu, Ziming; Li, Mingda; Li, Ju
Physical Review B, Vol. 94, Issue 15
DOI: 10.1103/PhysRevB.94.155121

Thermoelectric transport properties of CaMg $_{2}$ Bi $_{2}$ , EuMg $_{2}$ Bi $_{2}$ , and YbMg $_{2}$ Bi $_{2}$
journal, January 2012

May, Andrew F.; McGuire, Michael A.; Singh, David J.
Physical Review B, Vol. 85, Issue 3
DOI: 10.1103/PhysRevB.85.035202

Thickness-Dependent Magnetism and Topological Properties of EuSn₂As₂
journal, June 2022

Lv, Xiaodong; Chen, Xuejiao; Zhang, Bingwen
ACS Applied Electronic Materials, Vol. 4, Issue 7
DOI: 10.1021/acsaelm.2c00414

Spin fluctuation induced Weyl semimetal state in the paramagnetic phase of EuCd ₂ As ₂
journal, July 2019

Ma, J. -Z.; Nie, S. M.; Yi, C. J.
Science Advances, Vol. 5, Issue 7
DOI: 10.1126/sciadv.aaw4718

Site preferences and bond length differences in CaAl2Si2-type Zintl compounds
journal, April 1986

Zheng, Chong.; Hoffmann, Roald.; Nesper, Reinhard.
Journal of the American Chemical Society, Vol. 108, Issue 8
DOI: 10.1021/ja00268a027

A -type antiferromagnetic order in the Zintl-phase insulator EuZn2P2
journal, August 2022

Berry, Tanya; Stewart, Veronica J.; Redemann, Benjamin W. Y.
Physical Review B, Vol. 106, Issue 5
DOI: 10.1103/PhysRevB.106.054420

FermiSurfer: Fermi-surface viewer providing multiple representation schemes
journal, June 2019

Kawamura, Mitsuaki
Computer Physics Communications, Vol. 239
DOI: 10.1016/j.cpc.2019.01.017

Structural, thermal, magnetic, and electronic transport properties of the LaNi $_{2}$ (Ge $_{1 - x}$ P $_{x}$ ) $_{2}$ system
journal, February 2012

Goetsch, R. J.; Anand, V. K.; Pandey, Abhishek
Physical Review B, Vol. 85, Issue 5
DOI: 10.1103/PhysRevB.85.054517

Emergence of Nontrivial Low‐Energy Dirac Fermions in Antiferromagnetic EuCd ₂ As ₂
journal, April 2020

Ma, Junzhang; Wang, Han; Nie, Simin
Advanced Materials, Vol. 32, Issue 14
DOI: 10.1002/adma.201907565

Magnetic behavior of ${Gd}_{2} {CuGe}_{3} :$ Electrical resistance minimum above the Néel temperature
journal, January 2000

Majumdar, Subham; Sampathkumaran, E. V.
Physical Review B, Vol. 61, Issue 1
DOI: 10.1103/PhysRevB.61.43

Upper critical field of high-quality single crystals of KFe $_{2}$ As $_{2}$
journal, April 2013

Liu, Yong; Tanatar, M. A.; Kogan, V. G.
Physical Review B, Vol. 87, Issue 13
DOI: 10.1103/PhysRevB.87.134513

A-type antiferromagnetic order in semiconducting EuMg2Sb2 single crystals
journal, July 2022

Pakhira, Santanu; Islam, Farhan; O'Leary, Evan
Physical Review B, Vol. 106, Issue 2
DOI: 10.1103/PhysRevB.106.024418

Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set
journal, October 1996

Kresse, G.; Furthmüller, J.
Physical Review B, Vol. 54, Issue 16, p. 11169-11186
DOI: 10.1103/PhysRevB.54.11169

Electronic structure and transport in thermoelectric compounds AZn2Sb2 (A = Sr, Ca, Yb, Eu)
journal, January 2010

Toberer, Eric S.; May, Andrew F.; Melot, Brent C.
Dalton Trans., Vol. 39, Issue 4
DOI: 10.1039/B914172C

Structure and properties of the compounds LnAl2X2 (Ln=Eu, Yb; X=Si, Ge)
journal, May 2000

Kranenberg, Christian; Johrendt, Dirk; Mewis, Albrecht
Solid State Sciences, Vol. 2, Issue 2
DOI: 10.1016/S1293-2558(00)00135-7

Unified molecular field theory for collinear and noncollinear Heisenberg antiferromagnets
journal, February 2015

Johnston, David C.
Physical Review B, Vol. 91, Issue 6
DOI: 10.1103/PhysRevB.91.064427

Skyrmion lattice with a giant topological Hall effect in a frustrated triangular-lattice magnet
journal, August 2019

Kurumaji, Takashi; Nakajima, Taro; Hirschberger, Max
Science, Vol. 365, Issue 6456
DOI: 10.1126/science.aau0968

Anisotropy of the magnetic and transport properties of EuZn2As2
journal, April 2022

Wang, Zhi-Cheng; Been, Emily; Gaudet, Jonathan
Physical Review B, Vol. 105, Issue 16
DOI: 10.1103/PhysRevB.105.165122

Field-induced topological Hall effect in antiferromagnetic axion insulator candidate EuIn2As2
journal, February 2022

Yan, J.; Jiang, Z. Z.; Xiao, R. C.
Physical Review Research, Vol. 4, Issue 1
DOI: 10.1103/PhysRevResearch.4.013163

Higher-Order Topology of the Axion Insulator ${EuIn}_{2} {As}_{2}$
journal, June 2019

Xu, Yuanfeng; Song, Zhida; Wang, Zhijun
Physical Review Letters, Vol. 122, Issue 25
DOI: 10.1103/PhysRevLett.122.256402

Different Topological Quantum States in Ternary Zintl compounds: BaCaX (X = Si, Ge, Sn and Pb)
journal, December 2017

Wang, Lin-Lin; Kaminski, Adam; Canfield, Paul C.
The Journal of Physical Chemistry C, Vol. 122, Issue 1
DOI: 10.1021/acs.jpcc.7b11111

Neue Pnictide im CaAl2Si2-Typ und dessen Existenzgebiet/New Pnictides with the CaAl2Si2 Type Structure and the Stability Range of this Type
journal, November 2002

Wartenberg, Franziska; Kranenberg, Christian; Pocha, Regina
Zeitschrift für Naturforschung B, Vol. 57, Issue 11
DOI: 10.1515/znb-2002-1112

$A$ -type antiferromagnetic order and magnetic phase diagram of the trigonal Eu spin- $\frac{7}{2}$ triangular-lattice compound ${EuSn}_{2} {As}_{2}$
journal, November 2021

Pakhira, Santanu; Tanatar, M. A.; Heitmann, Thomas
Physical Review B, Vol. 104, Issue 17
DOI: 10.1103/PhysRevB.104.174427

WannierTools: An open-source software package for novel topological materials
journal, March 2018

Wu, QuanSheng; Zhang, ShengNan; Song, Hai-Feng
Computer Physics Communications, Vol. 224
DOI: 10.1016/j.cpc.2017.09.033

Magnetic and transport anomalies in the compounds, RCuAs2 (R=Pr, Nd, Sm, Gd, Tb, Dy, Ho, and Er)
journal, May 2004

Sengupta, Kausik; Rayaprol, S.; Sampathkumaran, E. V.
Physica B: Condensed Matter, Vol. 348, Issue 1-4
DOI: 10.1016/j.physb.2004.01.152

Electronic and magnetic properties of the topological semimetal SmMg2Bi2
journal, December 2022

Kundu, Asish K.; Pakhira, Santanu; Roy, Tufan
Physical Review B, Vol. 106, Issue 24
DOI: 10.1103/PhysRevB.106.245131

Magnetic, thermal, and electronic-transport properties of ${EuMg}_{2} {Bi}_{2}$ single crystals
journal, June 2020

Pakhira, Santanu; Tanatar, M. A.; Johnston, D. C.
Physical Review B, Vol. 101, Issue 21
DOI: 10.1103/PhysRevB.101.214407

Coupling of magnetic order and charge transport in the candidate Dirac semimetal ${EuCd}_{2} {As}_{2}$
journal, June 2018

Rahn, M. C.; Soh, J. -R.; Francoual, S.
Physical Review B, Vol. 97, Issue 21
DOI: 10.1103/PhysRevB.97.214422

Engineering magnetic topological insulators in Eu5M2X6 Zintl compounds
journal, June 2022

Varnava, Nicodemos; Berry, Tanya; McQueen, Tyrel M.
Physical Review B, Vol. 105, Issue 23
DOI: 10.1103/PhysRevB.105.235128

Zero-field magnetic ground state of ${EuMg}_{2} {Bi}_{2}$
journal, January 2021

Pakhira, Santanu; Heitmann, Thomas; Riberolles, S. X. M.
Physical Review B, Vol. 103, Issue 2
DOI: 10.1103/PhysRevB.103.024408

Resistivity minimum in diluted metallic magnets
journal, May 2020

Wang, Zhentao; Batista, Cristian D.
Physical Review B, Vol. 101, Issue 18
DOI: 10.1103/PhysRevB.101.184432

Magnetic phase transitions in Eu( ${Co}_{1 - x} {Ni}_{x})_{2 - y} {As}_{2}$ single crystals
journal, August 2020

Sangeetha, N. S.; Pakhira, Santanu; Ryan, D. H.
Physical Review Materials, Vol. 4, Issue 8
DOI: 10.1103/PhysRevMaterials.4.084407

Similar Records in DOE PAGES and OSTI.GOV collections:

$$A$$-type antiferromagnetic order and magnetic phase diagram of the trigonal Eu spin-$$\frac{7}{2}$$ triangular-lattice compound $$\mathrm{EuSn_2As_2}$$

Journal Article Pakhira, Santanu ; Tanatar, M. A. ; Heitmann, Thomas ; ... - Physical Review B

The trigonal compound EuSn₂As₂ was recently discovered to host Dirac surface states within the bulk band gap and orders antiferromagnetically below the N´eel temperature T_N = 23.5(2) K from neutron-diffraction measurements. Here the magnetic ground state of single-crystal EuSn₂As₂ and the evolution of its properties versus temperature T and applied magnetic field H are reported. Included are the zero-field single-crystal neutron diffraction measurements versus T, magnetization M(H, T), magnetic susceptibility χ(H, T) = M(H,T)/H, heat capacity C_p(H, T), and electrical resistivity ρ(H, T) measurements. The neutron-diffraction and χ(T) measurements both indicate a collinear A-type antiferromagnetic (AFM) structure below T_N, wheremore »« less
https://doi.org/10.1103/physrevb.104.174427

Full Text Available
Low-field magnetic anomalies in single crystals of the A-type square-lattice antiferromagnet EuGa 4

Journal Article Pakhira, Santanu ; Johnston, D. C. - Physical Review. B

The body-centered-tetragonal antiferromagnet EuGa₄ was recently identified as a Weyl nodal-line semimetal that exhibits the topological Hall effect below its reported antiferromagnetic (AFM) ordering temperature T_N = 15 – 16.5 K which we find to be T_N = 16.4 ( 2 ) K. The Eu⁺² ions are located at the corners and body centers of the unit cells. EuGa₄ exhibits A-type antiferromagnetic order below T_N, where the Eu²⁺ spin-7/2 moments are ferromagnetically aligned in the ab plane with the Eu moments in adjacent Eu planes along the c axis aligned antiferromagnetically. Low-field magnetization versus field M(H_ab) data at T =more »« less
https://doi.org/10.1103/physrevb.107.024421

Full Text Available
Helical antiferromagnetic ordering in EuNi_1.95As₂ single crystals

Journal Article Sangeetha, N. S. ; Smetana, V. ; Mudring, A. -V. ; ... - Physical Review B

The Eu^{+ 2} spins-7/2 in EuNi₂ As₂ with the body-centered tetragonal ThCr₂ Si₂ structure order antiferromagnetically below the Néel temperature T_N = 15 K into a helical antiferromagnetic (AFM) structure with the helix axis aligned along the tetragonal c axis and the Eu ordered moments aligned ferromagnetically within the ab plane as previously reported from neutron diffraction measurements [T. Jin et al., Phys. Rev. B 99, 014425 (2019)]. Here we study the crystallographic, magnetic, thermal, and electronic transport properties of Bi-flux-grown single crystals using single-crystal x-ray diffraction, anisotropic magnetic susceptibility χ, isothermal magnetization M, heat capacity Cp, and electrical resistivitymore »« less
Cited by 10
https://doi.org/10.1103/PhysRevB.100.094438

Full Text Available
Antiferromagnetism in EuCu₂As₂ and EuCu_1.82Sb₂ single crystals

Journal Article Anand, V. K. ; Johnston, D. C. - Physical Review. B, Condensed Matter and Materials Physics

Single crystals of EuCu₂As₂ and EuCu₂Sb₂ were grown from CuAs and CuSb self-flux, respectively. The crystallographic, magnetic, thermal, and electronic transport properties of the single crystals were investigated by room-temperature x-ray diffraction (XRD), magnetic susceptibility χ versus temperature T, isothermal magnetization M versus magnetic field H, specific heat C_p(T), and electrical resistivity ρ(T) measurements. EuCu₂As₂ crystallizes in the body-centered tetragonal ThCr₂Si₂-type structure (space group I4/mmm), whereas EuCu₂Sb₂ crystallizes in the related primitive tetragonal CaBe₂Ge₂-type structure (space group P4/nmm). The energy-dispersive x-ray spectroscopy and XRD data for the EuCu₂Sb₂ crystals showed the presence of vacancies on the Cu sites, yielding themore »« less
Cited by 35
https://doi.org/10.1103/PhysRevB.91.184403

Full Text Available
A-type antiferromagnetic order in semiconducting EuMg₂Sb₂ single crystals

Journal Article Pakhira, Santanu ; Islam, Farhan ; O'Leary, Evan ; ... - Physical Review. B

Eu-based Zintl-phase materials EuA₂Pn₂ (A = Mg, In, Cd, Zn; Pn = Bi, Sb, As, P) have generated significant recent interest owing to the complex interplay of magnetism and band topology. Here, we investigated the crystallographic, magnetic, and electronic properties of the layered Zintlphase single crystals of EuMg₂Sb₂ with the trigonal CaAl₂Si₂ crystal structure (space groupmore »« less
https://doi.org/10.1103/physrevb.106.024418

Full Text Available

Similar Records

Title: Anisotropic magnetism and electronic structure of trigonal EuAl2Ge2 single crystals

Abstract

Citation Formats

Generalized Gradient Approximation Made Simple journal, October 1996

Indirect chiral magnetic exchange through Dzyaloshinskii–Moriya-enhanced RKKY interactions in manganese oxide chains on Ir(100) journal, June 2019

Topological electronic structure of YbMg2Bi2 and CaMg2Bi2 journal, June 2022

Projector augmented-wave method journal, December 1994

Dirac Surface States in Intrinsic Magnetic Topological Insulators EuSn 2 As 2 and MnBi 2 n Te 3 n + 1 journal, November 2019

An updated version of wannier90: A tool for obtaining maximally-localised Wannier functions journal, August 2014

Magnetic Susceptibility of Collinear and Noncollinear Heisenberg Antiferromagnets journal, August 2012

Strong correlations and spin-density-wave phase induced by a massive spectral weight redistribution in α -Fe 1.06 Te journal, October 2010

Origin of the Resistivity Anisotropy in the Nematic Phase of FeSe journal, September 2016

Manipulating magnetism in the topological semimetal EuCd 2 As 2 journal, April 2020

Visualizing band selective enhancement of quasiparticle lifetime in a metallic ferromagnet journal, December 2021

Electrons and Phonons book, January 2001

From ultrasoft pseudopotentials to the projector augmented-wave method journal, January 1999

Magnetic crystalline-symmetry-protected axion electrodynamics and field-tunable unpinned Dirac cones in EuIn2As2 journal, February 2021

Magnetic field induced ab -plane rotation of the Eu magnetic moments in trigonal EuMg2Bi2 and EuMg2Sb2 single crystals below their Néel temperatures journal, November 2022

Crystal Defect Doping on Antiferromagnetic Topological Insulator Candidate EuMg2Bi2 journal, December 2021

Density-functional theory and strong interactions: Orbital ordering in Mott-Hubbard insulators journal, August 1995

The Zintl phases A In 2 As 2 (A = Ca, Sr, Ba): new topological insulators and thermoelectric material candidates journal, January 2021

Antiferro- and metamagnetism in the S=7/2 hollandite analog EuGa2Sb2 journal, November 2021

Magnetic and electronic structures of antiferromagnetic topological material candidate EuMg 2 Bi 2 journal, January 2021

Large magnetic cooling power involving frustrated antiferromagnetic spin-glass state in R 2 NiSi 3 ( R = Gd , Er ) journal, September 2016

Resistivity Minimum in Highly Frustrated Itinerant Magnets journal, November 2016

Recent progress and future challenges on thermoelectric Zintl materials journal, June 2017

Low-field magnetic anomalies in single crystals of the A-type square-lattice antiferromagnet EuGa4 journal, January 2023

Fermi Surface Reconstruction in the CDW State of C e T e 3 Observed by Photoemission journal, September 2004

Topological semimetal to insulator quantum phase transition in the Zintl compounds B a 2 X ( X = Si , Ge ) journal, October 2016

Thermoelectric transport properties of CaMg 2 Bi 2 , EuMg 2 Bi 2 , and YbMg 2 Bi 2 journal, January 2012

Thickness-Dependent Magnetism and Topological Properties of EuSn2As2 journal, June 2022

Spin fluctuation induced Weyl semimetal state in the paramagnetic phase of EuCd 2 As 2 journal, July 2019

Site preferences and bond length differences in CaAl2Si2-type Zintl compounds journal, April 1986

A -type antiferromagnetic order in the Zintl-phase insulator EuZn2P2 journal, August 2022

FermiSurfer: Fermi-surface viewer providing multiple representation schemes journal, June 2019

Structural, thermal, magnetic, and electronic transport properties of the LaNi 2 (Ge 1 − x P x ) 2 system journal, February 2012

Emergence of Nontrivial Low‐Energy Dirac Fermions in Antiferromagnetic EuCd 2 As 2 journal, April 2020

Magnetic behavior of Gd 2 CuGe 3 : Electrical resistance minimum above the Néel temperature journal, January 2000

Upper critical field of high-quality single crystals of KFe 2 As 2 journal, April 2013

A-type antiferromagnetic order in semiconducting EuMg2Sb2 single crystals journal, July 2022

Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set journal, October 1996

Electronic structure and transport in thermoelectric compounds AZn2Sb2 (A = Sr, Ca, Yb, Eu) journal, January 2010

Structure and properties of the compounds LnAl2X2 (Ln=Eu, Yb; X=Si, Ge) journal, May 2000

Unified molecular field theory for collinear and noncollinear Heisenberg antiferromagnets journal, February 2015

Skyrmion lattice with a giant topological Hall effect in a frustrated triangular-lattice magnet journal, August 2019

Anisotropy of the magnetic and transport properties of EuZn2As2 journal, April 2022

Field-induced topological Hall effect in antiferromagnetic axion insulator candidate EuIn2As2 journal, February 2022

Higher-Order Topology of the Axion Insulator EuIn 2 As 2 journal, June 2019

Different Topological Quantum States in Ternary Zintl compounds: BaCaX (X = Si, Ge, Sn and Pb) journal, December 2017

Neue Pnictide im CaAl2Si2-Typ und dessen Existenzgebiet/New Pnictides with the CaAl2Si2 Type Structure and the Stability Range of this Type journal, November 2002

A -type antiferromagnetic order and magnetic phase diagram of the trigonal Eu spin- 7 2 triangular-lattice compound EuSn 2 As 2 journal, November 2021

WannierTools: An open-source software package for novel topological materials journal, March 2018

Magnetic and transport anomalies in the compounds, RCuAs2 (R=Pr, Nd, Sm, Gd, Tb, Dy, Ho, and Er) journal, May 2004

Electronic and magnetic properties of the topological semimetal SmMg2Bi2 journal, December 2022

Magnetic, thermal, and electronic-transport properties of EuMg 2 Bi 2 single crystals journal, June 2020

Coupling of magnetic order and charge transport in the candidate Dirac semimetal EuCd 2 As 2 journal, June 2018

Engineering magnetic topological insulators in Eu5M2X6 Zintl compounds journal, June 2022

Zero-field magnetic ground state of EuMg 2 Bi 2 journal, January 2021

Resistivity minimum in diluted metallic magnets journal, May 2020

Magnetic phase transitions in Eu( Co 1 − x Ni x ) 2 − y As 2 single crystals journal, August 2020

Title: Anisotropic magnetism and electronic structure of trigonal EuAl₂Ge₂ single crystals

Generalized Gradient Approximation Made Simple
journal, October 1996

Indirect chiral magnetic exchange through Dzyaloshinskii–Moriya-enhanced RKKY interactions in manganese oxide chains on Ir(100)
journal, June 2019

Topological electronic structure of YbMg2Bi2 and CaMg2Bi2
journal, June 2022

Projector augmented-wave method
journal, December 1994

Dirac Surface States in Intrinsic Magnetic Topological Insulators EuSn 2 As 2 and MnBi 2 n Te 3 n + 1
journal, November 2019

An updated version of wannier90: A tool for obtaining maximally-localised Wannier functions
journal, August 2014

Magnetic Susceptibility of Collinear and Noncollinear Heisenberg Antiferromagnets
journal, August 2012

Strong correlations and spin-density-wave phase induced by a massive spectral weight redistribution in $α {-Fe}_{1.06} Te$
journal, October 2010

Origin of the Resistivity Anisotropy in the Nematic Phase of FeSe
journal, September 2016

Manipulating magnetism in the topological semimetal ${EuCd}_{2} {As}_{2}$
journal, April 2020

Visualizing band selective enhancement of quasiparticle lifetime in a metallic ferromagnet
journal, December 2021

Electrons and Phonons
book, January 2001

From ultrasoft pseudopotentials to the projector augmented-wave method
journal, January 1999

Magnetic crystalline-symmetry-protected axion electrodynamics and field-tunable unpinned Dirac cones in EuIn2As2
journal, February 2021

Magnetic field induced ab -plane rotation of the Eu magnetic moments in trigonal EuMg2Bi2 and EuMg2Sb2 single crystals below their Néel temperatures
journal, November 2022

Crystal Defect Doping on Antiferromagnetic Topological Insulator Candidate EuMg₂Bi₂
journal, December 2021

Density-functional theory and strong interactions: Orbital ordering in Mott-Hubbard insulators
journal, August 1995

The Zintl phases A In ₂ As ₂ (A = Ca, Sr, Ba): new topological insulators and thermoelectric material candidates
journal, January 2021

Antiferro- and metamagnetism in the S=7/2 hollandite analog EuGa2Sb2
journal, November 2021

Magnetic and electronic structures of antiferromagnetic topological material candidate EuMg ₂ Bi ₂
journal, January 2021

Large magnetic cooling power involving frustrated antiferromagnetic spin-glass state in $R_{2} {NiSi}_{3} (R = Gd, Er)$
journal, September 2016

Resistivity Minimum in Highly Frustrated Itinerant Magnets
journal, November 2016

Recent progress and future challenges on thermoelectric Zintl materials
journal, June 2017

Low-field magnetic anomalies in single crystals of the A-type square-lattice antiferromagnet EuGa4
journal, January 2023

Fermi Surface Reconstruction in the CDW State of ${C e T e}_{3}$ Observed by Photoemission
journal, September 2004

Topological semimetal to insulator quantum phase transition in the Zintl compounds $B a_{2} X (X = Si, Ge)$
journal, October 2016

Thermoelectric transport properties of CaMg $_{2}$ Bi $_{2}$ , EuMg $_{2}$ Bi $_{2}$ , and YbMg $_{2}$ Bi $_{2}$
journal, January 2012

Thickness-Dependent Magnetism and Topological Properties of EuSn₂As₂
journal, June 2022

Spin fluctuation induced Weyl semimetal state in the paramagnetic phase of EuCd ₂ As ₂
journal, July 2019

Site preferences and bond length differences in CaAl2Si2-type Zintl compounds
journal, April 1986

A -type antiferromagnetic order in the Zintl-phase insulator EuZn2P2
journal, August 2022

FermiSurfer: Fermi-surface viewer providing multiple representation schemes
journal, June 2019

Structural, thermal, magnetic, and electronic transport properties of the LaNi $_{2}$ (Ge $_{1 - x}$ P $_{x}$ ) $_{2}$ system
journal, February 2012

Emergence of Nontrivial Low‐Energy Dirac Fermions in Antiferromagnetic EuCd ₂ As ₂
journal, April 2020

Magnetic behavior of ${Gd}_{2} {CuGe}_{3} :$ Electrical resistance minimum above the Néel temperature
journal, January 2000

Upper critical field of high-quality single crystals of KFe $_{2}$ As $_{2}$
journal, April 2013

A-type antiferromagnetic order in semiconducting EuMg2Sb2 single crystals
journal, July 2022

Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set
journal, October 1996

Electronic structure and transport in thermoelectric compounds AZn2Sb2 (A = Sr, Ca, Yb, Eu)
journal, January 2010

Structure and properties of the compounds LnAl2X2 (Ln=Eu, Yb; X=Si, Ge)
journal, May 2000

Unified molecular field theory for collinear and noncollinear Heisenberg antiferromagnets
journal, February 2015

Skyrmion lattice with a giant topological Hall effect in a frustrated triangular-lattice magnet
journal, August 2019

Anisotropy of the magnetic and transport properties of EuZn2As2
journal, April 2022

Field-induced topological Hall effect in antiferromagnetic axion insulator candidate EuIn2As2
journal, February 2022

Higher-Order Topology of the Axion Insulator ${EuIn}_{2} {As}_{2}$
journal, June 2019

Different Topological Quantum States in Ternary Zintl compounds: BaCaX (X = Si, Ge, Sn and Pb)
journal, December 2017

Neue Pnictide im CaAl2Si2-Typ und dessen Existenzgebiet/New Pnictides with the CaAl2Si2 Type Structure and the Stability Range of this Type
journal, November 2002

$A$ -type antiferromagnetic order and magnetic phase diagram of the trigonal Eu spin- $\frac{7}{2}$ triangular-lattice compound ${EuSn}_{2} {As}_{2}$
journal, November 2021

WannierTools: An open-source software package for novel topological materials
journal, March 2018

Magnetic and transport anomalies in the compounds, RCuAs2 (R=Pr, Nd, Sm, Gd, Tb, Dy, Ho, and Er)
journal, May 2004

Electronic and magnetic properties of the topological semimetal SmMg2Bi2
journal, December 2022

Magnetic, thermal, and electronic-transport properties of ${EuMg}_{2} {Bi}_{2}$ single crystals
journal, June 2020

Coupling of magnetic order and charge transport in the candidate Dirac semimetal ${EuCd}_{2} {As}_{2}$
journal, June 2018

Engineering magnetic topological insulators in Eu5M2X6 Zintl compounds
journal, June 2022

Zero-field magnetic ground state of ${EuMg}_{2} {Bi}_{2}$
journal, January 2021

Resistivity minimum in diluted metallic magnets
journal, May 2020

Magnetic phase transitions in Eu( ${Co}_{1 - x} {Ni}_{x})_{2 - y} {As}_{2}$ single crystals
journal, August 2020