Complex magnetism and strong electronic correlations in Ce2PdGe3

Baumbach, R. E.; Gallagher, A.; Besara, T.; Sun, J.; Siegrist, T.; Singh, D. J.; Thompson, J. D.; Ronning, F.; Bauer, E. D.

doi:10.1103/PhysRevB.91.035102

Title: Complex magnetism and strong electronic correlations in ${Ce}_{2} {PdGe}_{3}$

Abstract

Single-crystal x-ray diffraction, magnetic susceptibility, magnetization, heat capacity, and electrical resistivity measurements are reported for the new tetragonal compound Ce₂PdGe₃, which forms in the space group P4₂/mmc (No. 131)—a relative of the α₋ThSi₂-type structure. Measurements reveal a two-part antiferromagnetic phase transition at T_N,1=10.7 K and T_N,2=9.6 K and subsequent ferromagnetlike ordering near TC≈2.25 K. The ordered ground state emerges from a lattice of Ce ions that are hybridized with the conduction electrons, as revealed by the enhanced electronic coefficient of the specific heat γ≈50 mJ/mol-Ce-K² (extrapolated to T=0 for T < T_C). Lastly, electronic structure calculations reveal a Fermi surface that includes sheets with distinct nesting vectors. We find chemical/structural disorder also plays an important role, as evidenced by results from single-crystal x-ray diffraction, the width of the peaks in the heat capacity at T_N and T_C, and the small residual resistivity ratio RRR=ρ300K/ρ0=1.8.

Authors:

Baumbach, R. E. ^[1]; Gallagher, A. ^[2]; Besara, T. ^[2]; Sun, J. ^[3]; Siegrist, T. ^[4]; Singh, D. J. ^[5]; Thompson, J. D. ^[6]; Ronning, F. ^[6]; Bauer, E. D. ^[6]

Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab. (MagLab); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab. (MagLab)
Florida A&M Univ. and Florida State Univ. College of Engineering, Tallahassee, FL (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab. (MagLab); Florida A&M Univ. and Florida State Univ. College of Engineering, Tallahassee, FL (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Publication Date:: Mon Jan 05 00:00:00 EST 2015

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

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1185651

Alternate Identifier(s):: OSTI ID: 1181350

Grant/Contract Number:: AC05-00OR22725; DMR-1157490; SC0008832

Resource Type:: Accepted Manuscript

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

Additional Journal Information:: Journal Volume: 91; Journal Issue: 3; Journal ID: ISSN 1098-0121

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Baumbach, R. E., Gallagher, A., Besara, T., Sun, J., Siegrist, T., Singh, D. J., Thompson, J. D., Ronning, F., and Bauer, E. D. Complex magnetism and strong electronic correlations in Ce2PdGe3.  United States: N. p., 2015. 
Web.  doi:10.1103/PhysRevB.91.035102.

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                    Baumbach, R. E., Gallagher, A., Besara, T., Sun, J., Siegrist, T., Singh, D. J., Thompson, J. D., Ronning, F., & Bauer, E. D. Complex magnetism and strong electronic correlations in Ce2PdGe3.  United States.  https://doi.org/10.1103/PhysRevB.91.035102

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                    Baumbach, R. E., Gallagher, A., Besara, T., Sun, J., Siegrist, T., Singh, D. J., Thompson, J. D., Ronning, F., and Bauer, E. D. Mon .  
"Complex magnetism and strong electronic correlations in Ce2PdGe3".  United States.  https://doi.org/10.1103/PhysRevB.91.035102.  https://www.osti.gov/servlets/purl/1185651.

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@article{osti_1185651,

  title        = {Complex magnetism and strong electronic correlations in Ce2PdGe3},

  author       = {Baumbach, R. E. and Gallagher, A. and Besara, T. and Sun, J. and Siegrist, T. and Singh, D. J. and Thompson, J. D. and Ronning, F. and Bauer, E. D.},

  abstractNote = {Single-crystal x-ray diffraction, magnetic susceptibility, magnetization, heat capacity, and electrical resistivity measurements are reported for the new tetragonal compound Ce2PdGe3, which forms in the space group P42/mmc (No. 131)—a relative of the α₋ThSi2-type structure. Measurements reveal a two-part antiferromagnetic phase transition at TN,1=10.7 K and TN,2=9.6 K and subsequent ferromagnetlike ordering near TC≈2.25 K. The ordered ground state emerges from a lattice of Ce ions that are hybridized with the conduction electrons, as revealed by the enhanced electronic coefficient of the specific heat γ≈50 mJ/mol-Ce-K2 (extrapolated to T=0 for T < TC). Lastly, electronic structure calculations reveal a Fermi surface that includes sheets with distinct nesting vectors. We find chemical/structural disorder also plays an important role, as evidenced by results from single-crystal x-ray diffraction, the width of the peaks in the heat capacity at TN and TC, and the small residual resistivity ratio RRR=ρ300K/ρ0=1.8.},

  doi          = {10.1103/PhysRevB.91.035102},

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

  number       = 3,

  volume       = 91,

  place        = {United States},

  year         = {Mon Jan 05 00:00:00 EST 2015},

  month        = {Mon Jan 05 00:00:00 EST 2015}

}

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YbRh 2 Si 2 : Pronounced Non-Fermi-Liquid Effects above a Low-Lying Magnetic Phase Transition journal, July 2000

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Inhomogeneous Electron Gas journal, November 1964

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Progress in Heavy-Fermion Superconductivity: Ce115 and Related Materials journal, January 2012

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journal, June 1992

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A Theory of Metallic Ferro- and Antiferromagnetism on Zener's Model
journal, July 1956

Isothermal cross-section of the Ce–Pd–Ge phase diagram at 600°C
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Magnetically mediated superconductivity in heavy fermion compounds
journal, July 1998

CeRuPO: A rare example of a ferromagnetic Kondo lattice
journal, September 2007

Resistance Minimum in Dilute Magnetic Alloys
journal, July 1964

Hidden order behaviour in URu ₂ Si ₂ (A critical review of the status of hidden order in 2014)
journal, May 2014

Ferromagnetic Ground States with High Transition Temperatures in New Tetragonal Rare-Earth Compounds CeRu ₂ Al ₂ B and PrRu ₂ Al ₂ B
journal, April 2012

Thermal and magnetic properties and crystal structures of CeGe2 and CeSi2
journal, January 1982

Crossover between Fermi liquid behaviour and magnetic order in CeSi2-xGex system
journal, June 1986

Self-Consistent Equations Including Exchange and Correlation Effects
journal, November 1965

Suppression of ferromagnetism in $Ce {Si}_{1.81}$ under temperature and pressure
journal, June 2006

Transition of f electron nature from itinerant to localized: Metamagnetic transition in ${CeRu}_{2}$ ${Si}_{2}$ studied via the de Haas–van Alphen effect
journal, September 1993

Non-Fermi-liquid behavior in $d$ - and $f$ -electron metals
journal, October 2001

Local moment ferromagnetism in CeRu ₂ Ga ₂ B
journal, April 2012

Magnetism of CePd2Si2: Heat capacity and susceptibility studies
journal, May 1987

Pressure tuned ferromagnetism in CeRu ₂ M ₂ X (M = Al, Ga; X = B, C)
journal, July 2012

Evolution of heavy-fermion behavior from mixed-valence state in the series $Ce ({Pt}_{1 - x} {Ni}_{x}) Si$
journal, October 1987

${YbRh}_{2} {Si}_{2}$ : Pronounced Non-Fermi-Liquid Effects above a Low-Lying Magnetic Phase Transition
journal, July 2000

Fermi-liquid instabilities at magnetic quantum phase transitions
journal, August 2007

Inhomogeneous Electron Gas
journal, November 1964

Superconductivity and magnetic order in a strongly interacting fermi-system: URu2Si2
journal, June 1986

Ternary BaAl ₄ -type derivative structures
journal, October 1983

Superconducting and Magnetic Transitions in the Heavy-Fermion System U ${Ru}_{2}$ ${Si}_{2}$
journal, December 1985

Progress in Heavy-Fermion Superconductivity: Ce115 and Related Materials
journal, January 2012

The Kondo lattice and weak antiferromagnetism
journal, July 1977

Observation of Two Distinct Superconducting Phases in CeCu2Si2
journal, December 2003

Magnetic Properties of Cu-Mn Alloys
journal, June 1957

Electronic structure of heavy fermion superconductor CeMIn5 (M=Co,Rh,Ir)
journal, May 2003

Superconductivity in Ce ${Cu}_{2}$ ${Si}_{2}$ Single Crystals
journal, February 1984

High-pressure study of the anomalous ferromagnet ${CeRh}_{3}$ $B_{2}$ to 7 GPa: Comparison with substitutional experiments
journal, February 1994

A new heavy-fermion superconductor CeIrIn ₅ : A relative of the cuprates?
journal, February 2001

Heavy-fermion superconductivity in CeCoIn ₅ at 2.3 K
journal, April 2001

Band Calculations for Ce Compounds with AuCu ₃ -type Crystal Structure on the basis of Dynamical Mean Field Theory: I. CePd ₃ and CeRh ₃
journal, November 2010

CeRu $_{2}$ Al $_{2}$ B: A local-moment $4 f$ magnet with a complex $T$ - $H$ phase diagram
journal, March 2012

Electronic structure calculations of solids using the WIEN2k package for material sciences
journal, August 2002

Ce ₂ PtGe ₃ : a new ordered orthorhombic superstructure in the AlB ₂ family with spin glass behavior
journal, January 2017