Coexisting charge and magnetic orders in the dimer-chain iridate Ba5AlIr2O11

Terzic, J.; Wang, J. C.; Ye, Feng; Song, W. H.; Yuan, S. J.; Aswartham, S.; DeLong, L. E.; Streltsov, S. V.; Khomskii, Daniel I.; Cao, G.

doi:10.1103/PhysRevB.91.235147

Title: Coexisting charge and magnetic orders in the dimer-chain iridate Ba₅AlIr₂O₁₁

Abstract

In this paper, we have synthesized and studied single-crystal Ba₅AlIr₂O₁₁ that features dimer chains of two inequivalent octahedra occupied by tetravalent Ir⁴⁺(5d⁵) and pentavalent Ir⁵⁺(5d⁴) ions, respectively. Ba₅AlIr₂O₁₁ is a Mott insulator that undergoes a subtle structural phase transition near T_S=210K and a magnetic transition at T_M=4.5K; the latter transition is surprisingly resistant to applied magnetic fields μ_oH≤12T but more sensitive to modest applied pressure (dT_M/dp ≈ +0.61K/GPa). All results indicate that the phase transition at T_S signals an enhanced charge order that induces electrical dipoles and strong dielectric response near T_S. It is clear that the strong covalency and spin-orbit interaction (SOI) suppress double exchange in Ir dimers and stabilize a novel magnetic state that is neither S=3/2 nor J=1/2, but rather lies in an “intermediate” regime between these two states. Finally, the novel behavior of Ba₅AlIr₂O₁₁ therefore provides unique insights into the physics of SOI along with strong covalency in competition with double-exchange interactions of comparable strength.

Authors:

Terzic, J. ^[1]; Wang, J. C. ^[2]; Ye, Feng ^[3]; Song, W. H. ^[4]; Yuan, S. J. ^[1]; Aswartham, S. ^[1]; DeLong, L. E. ^[1]; Streltsov, S. V. ^[5]; Khomskii, Daniel I. ^[6]; Cao, G. ^[1]

Univ. of Kentucky, Lexington, KY (United States). Center for Advanced Materials. Dept. of Physics and Astronomy
Univ. of Kentucky, Lexington, KY (United States). Center for Advanced Materials. Dept. of Physics and Astronomy; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division; Renmin Univ. of China, Beijing (China). Dept. of Physics
Univ. of Kentucky, Lexington, KY (United States). Center for Advanced Materials. Dept. of Physics and Astronomy; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division
Univ. of Kentucky, Lexington, KY (United States). Center for Advanced Materials. Dept. of Physics and Astronomy; Chinese Academy of Sciences (CAS), Hefei (China). Inst. of Solid State Physics
Inst. of Metal Physics, Ekaterinburg (Russian Federation); Ural Federal Univ., Ekaterinburg (Russian Federation). Dept. of Physics
Univ. of Cologne (Germany). Inst. of Physics II

Publication Date:: Mon Jun 29 00:00:00 EDT 2015

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); Civil Research and Development Foundation (CRDF) (United States); Russian Foundation of Basic Research; China Scholarship Council

OSTI Identifier:: 1324136

Alternate Identifier(s):: OSTI ID: 1198602

Grant/Contract Number:: AC05-00OR22725; DMR-1265162; 13-02-00374; FSCX-14-61025-0

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review. B, Condensed Matter and Materials Physics

Additional Journal Information:: Journal Volume: 91; Journal Issue: 23; Journal ID: ISSN 1098-0121

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats


                    Terzic, J., Wang, J. C., Ye, Feng, Song, W. H., Yuan, S. J., Aswartham, S., DeLong, L. E., Streltsov, S. V., Khomskii, Daniel I., and Cao, G. Coexisting charge and magnetic orders in the dimer-chain iridate Ba5AlIr2O11.  United States: N. p., 2015. 
Web.  doi:10.1103/PhysRevB.91.235147.

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                    Terzic, J., Wang, J. C., Ye, Feng, Song, W. H., Yuan, S. J., Aswartham, S., DeLong, L. E., Streltsov, S. V., Khomskii, Daniel I., & Cao, G. Coexisting charge and magnetic orders in the dimer-chain iridate Ba5AlIr2O11.  United States.  https://doi.org/10.1103/PhysRevB.91.235147

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                    Terzic, J., Wang, J. C., Ye, Feng, Song, W. H., Yuan, S. J., Aswartham, S., DeLong, L. E., Streltsov, S. V., Khomskii, Daniel I., and Cao, G. Mon .  
"Coexisting charge and magnetic orders in the dimer-chain iridate Ba5AlIr2O11".  United States.  https://doi.org/10.1103/PhysRevB.91.235147.  https://www.osti.gov/servlets/purl/1324136.

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@article{osti_1324136,

  title        = {Coexisting charge and magnetic orders in the dimer-chain iridate Ba5AlIr2O11},

  author       = {Terzic, J. and Wang, J. C. and Ye, Feng and Song, W. H. and Yuan, S. J. and Aswartham, S. and DeLong, L. E. and Streltsov, S. V. and Khomskii, Daniel I. and Cao, G.},

  abstractNote = {In this paper, we have synthesized and studied single-crystal Ba5AlIr2O11 that features dimer chains of two inequivalent octahedra occupied by tetravalent Ir4+(5d5) and pentavalent Ir5+(5d4) ions, respectively. Ba5AlIr2O11 is a Mott insulator that undergoes a subtle structural phase transition near TS=210K and a magnetic transition at TM=4.5K; the latter transition is surprisingly resistant to applied magnetic fields μoH≤12T but more sensitive to modest applied pressure (dTM/dp ≈ +0.61K/GPa). All results indicate that the phase transition at TS signals an enhanced charge order that induces electrical dipoles and strong dielectric response near TS. It is clear that the strong covalency and spin-orbit interaction (SOI) suppress double exchange in Ir dimers and stabilize a novel magnetic state that is neither S=3/2 nor J=1/2, but rather lies in an “intermediate” regime between these two states. Finally, the novel behavior of Ba5AlIr2O11 therefore provides unique insights into the physics of SOI along with strong covalency in competition with double-exchange interactions of comparable strength.},

  doi          = {10.1103/PhysRevB.91.235147},

  journal      = {Physical Review. B, Condensed Matter and Materials Physics},

  number       = 23,

  volume       = 91,

  place        = {United States},

  year         = {Mon Jun 29 00:00:00 EDT 2015},

  month        = {Mon Jun 29 00:00:00 EDT 2015}

}

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Works referenced in this record:

Novel $J_{eff} = 1 / 2$ Mott State Induced by Relativistic Spin-Orbit Coupling in ${Sr}_{2} {IrO}_{4}$
journal, August 2008

Kim, B. J.; Jin, Hosub; Moon, S. J.
Physical Review Letters, Vol. 101, Issue 7
DOI: 10.1103/PhysRevLett.101.076402

Dimensionality-Controlled Insulator-Metal Transition and Correlated Metallic State in $5 d$ Transition Metal Oxides ${Sr}_{n + 1} {Ir}_{n} O_{3 n + 1}$ ( $n = 1$ , 2, and $\infty$ )
journal, November 2008

Moon, S. J.; Jin, H.; Kim, K. W.
Physical Review Letters, Vol. 101, Issue 22
DOI: 10.1103/PhysRevLett.101.226402

Phase-Sensitive Observation of a Spin-Orbital Mott State in Sr2IrO4
journal, March 2009

Kim, B. J.; Ohsumi, H.; Komesu, T.
Science, Vol. 323, Issue 5919
DOI: 10.1126/science.1167106

Frontiers of 4d- and 5d-Transition Metal Oxides
book, November 2011

Cao, Gang; De-Long, Lance
DOI: 10.1142/8331

Weak ferromagnetism, metal-to-nonmetal transition, and negative differential resistivity in single-crystal ${Sr}_{2} {IrO}_{4}$
journal, May 1998

Cao, G.; Bolivar, J.; McCall, S.
Physical Review B, Vol. 57, Issue 18
DOI: 10.1103/PhysRevB.57.R11039

Charge density wave formation accompanying ferromagnetic ordering in quasi-one-dimensional BaIrO3
journal, February 2000

Cao, G.; Crow, J. E.; Guertin, R. P.
Solid State Communications, Vol. 113, Issue 11
DOI: 10.1016/S0038-1098(99)00532-3

Anomalous magnetic and transport behavior in the magnetic insulator ${Sr}_{3} {Ir}_{2} O_{7}$
journal, December 2002

Cao, G.; Xin, Y.; Alexander, C. S.
Physical Review B, Vol. 66, Issue 21
DOI: 10.1103/PhysRevB.66.214412

Partial antiferromagnetism in spin-chain ${Sr}_{5} {Rh}_{4} O_{12}$ , ${Ca}_{5} {Ir}_{3} O_{12}$ , and ${Ca}_{4} Ir O_{6}$ single crystals
journal, April 2007

Cao, G.; Durairaj, V.; Chikara, S.
Physical Review B, Vol. 75, Issue 13
DOI: 10.1103/PhysRevB.75.134402

High-temperature weak ferromagnetism on the verge of a metallic state: Impact of dilute Sr doping on ${BaIrO}_{3}$
journal, May 2004

Cao, G.; Lin, X. N.; Chikara, S.
Physical Review B, Vol. 69, Issue 17
DOI: 10.1103/PhysRevB.69.174418

Pressure-induced insulating state in ${Ba}_{1 - x} R_{x} {IrO}_{3}$ ( $R = Gd$ , Eu) single crystals
journal, January 2010

Korneta, O. B.; Chikara, S.; Parkin, S.
Physical Review B, Vol. 81, Issue 4
DOI: 10.1103/PhysRevB.81.045101

Evolution of magnetism in the single-crystal honeycomb iridates $({Na}_{1 - x}$ Li $_{x})_{2} Ir O_{3}$
journal, December 2013

Cao, G.; Qi, T. F.; Li, L.
Physical Review B, Vol. 88, Issue 22
DOI: 10.1103/PhysRevB.88.220414

Direct evidence of a zigzag spin-chain structure in the honeycomb lattice: A neutron and x-ray diffraction investigation of single-crystal Na $_{2}$ IrO $_{3}$
journal, May 2012

Ye, Feng; Chi, Songxue; Cao, Huibo
Physical Review B, Vol. 85, Issue 18
DOI: 10.1103/PhysRevB.85.180403

Magnetic and crystal structures of ${Sr}_{2} {IrO}_{4}$ : A neutron diffraction study
journal, April 2013

Ye, Feng; Chi, Songxue; Chakoumakos, Bryan C.
Physical Review B, Vol. 87, Issue 14
DOI: 10.1103/PhysRevB.87.140406

Pressure Tuning of the Spin-Orbit Coupled Ground State in ${Sr}_{2} {IrO}_{4}$
journal, July 2012

Haskel, D.; Fabbris, G.; Zhernenkov, Mikhail
Physical Review Letters, Vol. 109, Issue 2
DOI: 10.1103/PhysRevLett.109.027204

Giant magnetoelectric effect in the $J_{eff} = \frac{1}{2}$ Mott insulator ${Sr}_{2} {IrO}_{4}$
journal, October 2009

Chikara, S.; Korneta, O.; Crummett, W. P.
Physical Review B, Vol. 80, Issue 14
DOI: 10.1103/PhysRevB.80.140407

Tuning the $J_{eff} = \frac{1}{2}$ insulating state via electron doping and pressure in the double-layered iridate Sr $_{3}$ Ir $_{2}$ O $_{7}$
journal, June 2013

Li, L.; Kong, P. P.; Qi, T. F.
Physical Review B, Vol. 87, Issue 23
DOI: 10.1103/PhysRevB.87.235127

Excitonic Magnetism in Van Vleck–type $d^{4}$ Mott Insulators
journal, November 2013

Khaliullin, Giniyat
Physical Review Letters, Vol. 111, Issue 19
DOI: 10.1103/PhysRevLett.111.197201

Spin-Orbital Singlet and Quantum Critical Point on the Diamond Lattice: ${FeSc}_{2} S_{4}$
journal, March 2009

Chen, Gang; Balents, Leon; Schnyder, Andreas P.
Physical Review Letters, Vol. 102, Issue 9
DOI: 10.1103/PhysRevLett.102.096406

Novel Magnetism of ${Ir}^{5 +} (5 d^{4})$ Ions in the Double Perovskite ${Sr}_{2} {YIrO}_{6}$
journal, February 2014

Cao, G.; Qi, T. F.; Li, L.
Physical Review Letters, Vol. 112, Issue 5
DOI: 10.1103/PhysRevLett.112.056402

Transition Metal Compounds
book, January 2014

Khomskii, Daniel I.
DOI: 10.1017/CBO9781139096782

Interaction between the $d$ -Shells in the Transition Metals. II. Ferromagnetic Compounds of Manganese with Perovskite Structure
journal, May 1951

Zener, Clarence
Physical Review, Vol. 82, Issue 3
DOI: 10.1103/PhysRev.82.403

Double exchange model and the unique properties of the manganites
journal, February 2001

Izyumov, Yurii A.; Skryabin, Yu N.
Physics-Uspekhi, Vol. 44, Issue 2
DOI: 10.1070/PU2001v044n02ABEH000840

Recent advances in magnetic structure determination by neutron powder diffraction
journal, October 1993

Rodríguez-Carvajal, Juan
Physica B: Condensed Matter, Vol. 192, Issue 1-2
DOI: 10.1016/0921-4526(93)90108-I

Ba5AlIr2O11: Eine neue Verbindung mit Iridium(IV, V)
journal, January 1989

M�ller-Buschbaum, Hk.; Lang, Ch.
Zeitschrift f�r anorganische und allgemeine Chemie, Vol. 568, Issue 1
DOI: 10.1002/zaac.19895680105

Mechanisms of dielectric anomalies in BaMn $F_{4}$
journal, September 1977

Scott, J. F.
Physical Review B, Vol. 16, Issue 5
DOI: 10.1103/PhysRevB.16.2329

Magnetocapacitance effect in multiferroic ${BiMnO}_{3}$
journal, May 2003

Kimura, T.; Kawamoto, S.; Yamada, I.
Physical Review B, Vol. 67, Issue 18
DOI: 10.1103/PhysRevB.67.180401

Large magnetodielectric effects in orthorhombic $Ho Mn O_{3}$ and $Y Mn O_{3}$
journal, December 2004

Lorenz, B.; Wang, Y. Q.; Sun, Y. Y.
Physical Review B, Vol. 70, Issue 21
DOI: 10.1103/PhysRevB.70.212412

Orbital-dependent singlet dimers and orbital-selective Peierls transitions in transition-metal compounds
journal, April 2014

Streltsov, Sergey V.; Khomskii, Daniel I.
Physical Review B, Vol. 89, Issue 16
DOI: 10.1103/PhysRevB.89.161112

Orbital-selective Mott-insulator transition in Ca 2 - x Sr x RuO 4
journal, February 2002

Anisimov, V. I.; Nekrasov, I. A.; Kondakov, D. E.
The European Physical Journal B, Vol. 25, Issue 2
DOI: 10.1140/epjb/e20020021

Orbital-Selective Mott Transitions in the Degenerate Hubbard Model
journal, May 2004

Koga, Akihisa; Kawakami, Norio; Rice, T. M.
Physical Review Letters, Vol. 92, Issue 21
DOI: 10.1103/PhysRevLett.92.216402

Orbital-selective Mott transition in multiband systems: Slave-spin representation and dynamical mean-field theory
journal, November 2005

de’Medici, L.; Georges, A.; Biermann, S.
Physical Review B, Vol. 72, Issue 20
DOI: 10.1103/PhysRevB.72.205124

Works referencing / citing this record:

Covalent bonds against magnetism in transition metal compounds
journal, September 2016

Streltsov, Sergey V.; Khomskii, Daniel I.
Proceedings of the National Academy of Sciences, Vol. 113, Issue 38
DOI: 10.1073/pnas.1606367113

The challenge of spin–orbit-tuned ground states in iridates: a key issues review
journal, February 2018

Cao, Gang; Schlottmann, Pedro
Reports on Progress in Physics, Vol. 81, Issue 4
DOI: 10.1088/1361-6633/aaa979

Ground state in the novel dimer iridate $B a_{13} I r_{6} O_{30}$ with $I r^{6 +} (5 d^{3})$ ions
journal, August 2019

Zhao, Hengdi; Ye, Feng; Zheng, Hao
Physical Review B, Vol. 100, Issue 6
DOI: 10.1103/physrevb.100.064418

Frustration-induced non-Curie-Weiss paramagnetism in ${La}_{3} {Ir}_{3} O_{11}$ : A fractional valence state iridate
journal, November 2019

Yang, J.; Wang, J. R.; Zhen, W. L.
Physical Review B, Vol. 100, Issue 20
DOI: 10.1103/physrevb.100.205107

Block excitonic condensate at $n = 3.5$ in a spin-orbit coupled $t_{2 g}$ multiorbital Hubbard model
journal, April 2019

Kaushal, Nitin; Nocera, Alberto; Alvarez, Gonzalo
Physical Review B, Vol. 99, Issue 15
DOI: 10.1103/physrevb.99.155115

Non-Kitaev spin liquids in Kitaev materials
journal, May 2019

Li, Yao-Dong; Yang, Xu; Zhou, Yi
Physical Review B, Vol. 99, Issue 20
DOI: 10.1103/physrevb.99.205119

Covalent bonds against magnetism in transition metal compounds
text, January 2016

Streltsov, S. V.; Khomskii, D. I.
arXiv
DOI: 10.48550/arxiv.1602.06425

Models and Materials for Generalized Kitaev Magnetism
text, January 2017

Winter, Stephen M.; Tsirlin, Alexander A.; Daghofer, Maria
arXiv
DOI: 10.48550/arxiv.1706.06113

Density matrix renormalization group study of a three-orbital Hubbard model with spin-orbit coupling in one dimension
text, January 2017

Kaushal, Nitin; Herbrych, Jacek; Nocera, Alberto
arXiv
DOI: 10.48550/arxiv.1707.04313

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Title: Coexisting charge and magnetic orders in the dimer-chain iridate Ba5AlIr2O11

Abstract

Citation Formats

Novel J eff = 1 / 2 Mott State Induced by Relativistic Spin-Orbit Coupling in Sr 2 IrO 4 journal, August 2008

Dimensionality-Controlled Insulator-Metal Transition and Correlated Metallic State in 5 d Transition Metal Oxides Sr n + 1 Ir n O 3 n + 1 ( n = 1 , 2, and ∞ ) journal, November 2008

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High-temperature weak ferromagnetism on the verge of a metallic state: Impact of dilute Sr doping on BaIrO 3 journal, May 2004

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Title: Coexisting charge and magnetic orders in the dimer-chain iridate Ba₅AlIr₂O₁₁

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Magnetic and crystal structures of ${Sr}_{2} {IrO}_{4}$ : A neutron diffraction study
journal, April 2013

Pressure Tuning of the Spin-Orbit Coupled Ground State in ${Sr}_{2} {IrO}_{4}$
journal, July 2012

Giant magnetoelectric effect in the $J_{eff} = \frac{1}{2}$ Mott insulator ${Sr}_{2} {IrO}_{4}$
journal, October 2009

Tuning the $J_{eff} = \frac{1}{2}$ insulating state via electron doping and pressure in the double-layered iridate Sr $_{3}$ Ir $_{2}$ O $_{7}$
journal, June 2013

Excitonic Magnetism in Van Vleck–type $d^{4}$ Mott Insulators
journal, November 2013

Spin-Orbital Singlet and Quantum Critical Point on the Diamond Lattice: ${FeSc}_{2} S_{4}$
journal, March 2009

Novel Magnetism of ${Ir}^{5 +} (5 d^{4})$ Ions in the Double Perovskite ${Sr}_{2} {YIrO}_{6}$
journal, February 2014

Transition Metal Compounds
book, January 2014

Interaction between the $d$ -Shells in the Transition Metals. II. Ferromagnetic Compounds of Manganese with Perovskite Structure
journal, May 1951

Double exchange model and the unique properties of the manganites
journal, February 2001

Recent advances in magnetic structure determination by neutron powder diffraction
journal, October 1993

Ba5AlIr2O11: Eine neue Verbindung mit Iridium(IV, V)
journal, January 1989

Mechanisms of dielectric anomalies in BaMn $F_{4}$
journal, September 1977

Magnetocapacitance effect in multiferroic ${BiMnO}_{3}$
journal, May 2003

Large magnetodielectric effects in orthorhombic $Ho Mn O_{3}$ and $Y Mn O_{3}$
journal, December 2004

Orbital-dependent singlet dimers and orbital-selective Peierls transitions in transition-metal compounds
journal, April 2014

Orbital-selective Mott-insulator transition in Ca 2 - x Sr x RuO 4
journal, February 2002

Orbital-Selective Mott Transitions in the Degenerate Hubbard Model
journal, May 2004

Orbital-selective Mott transition in multiband systems: Slave-spin representation and dynamical mean-field theory
journal, November 2005

Covalent bonds against magnetism in transition metal compounds
journal, September 2016

The challenge of spin–orbit-tuned ground states in iridates: a key issues review
journal, February 2018

Ground state in the novel dimer iridate $B a_{13} I r_{6} O_{30}$ with $I r^{6 +} (5 d^{3})$ ions
journal, August 2019

Frustration-induced non-Curie-Weiss paramagnetism in ${La}_{3} {Ir}_{3} O_{11}$ : A fractional valence state iridate
journal, November 2019

Block excitonic condensate at $n = 3.5$ in a spin-orbit coupled $t_{2 g}$ multiorbital Hubbard model
journal, April 2019

Non-Kitaev spin liquids in Kitaev materials
journal, May 2019

Covalent bonds against magnetism in transition metal compounds
text, January 2016

Models and Materials for Generalized Kitaev Magnetism
text, January 2017

Density matrix renormalization group study of a three-orbital Hubbard model with spin-orbit coupling in one dimension
text, January 2017