Electronic structure and weak itinerant magnetism in metallic Y2Ni7

Singh, David J.

doi:10.1103/PhysRevB.92.174403

Title: Electronic structure and weak itinerant magnetism in metallic $Y_{2} {Ni}_{7}$

Abstract

We describe a density functional study of the electronic structure and magnetism of Y₂Ni₇. The results show itinerant magnetism very similar to that in the weak itinerant ferromagnet Ni₃Al. The electropositive Y atoms in Y₂Ni₇ donate charge to the Ni host mostly in the form of s electrons. The non-spin-polarized state shows a high density of states at the Fermi level, N (E_F), due to flat bands. This leads to a ferromagnetic instability. However, there are also several much more dispersive bands crossing E(F), which should promote the conductivity. Spin fluctuation effects appear to be comparable to or weaker than Ni₃Al, based on comparison with experimental data. Y₂Ni₇ provides a uniaxial analog to cubic Ni₃Al, for studying weak itinerant ferromagnetism, suggesting detailed measurements of its low temperature physical properties and spin fluctuations, as well as experiments under pressure.

Authors:

Singh, David J. ^[1]

Univ. of Missouri, Columbia, MO (United States)

Publication Date:: Tue Nov 03 00:00:00 EST 2015

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

Sponsoring Org.:: USDOE Office of Science (SC)

OSTI Identifier:: 1239755

Alternate Identifier(s):: OSTI ID: 1225120

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Accepted Manuscript

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

Additional Journal Information:: Journal Volume: 92; Journal Issue: 17; Journal ID: ISSN 1098-0121

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Singh, David J. Electronic structure and weak itinerant magnetism in metallic Y2Ni7.  United States: N. p., 2015. 
Web.  doi:10.1103/PhysRevB.92.174403.

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                    Singh, David J. Electronic structure and weak itinerant magnetism in metallic Y2Ni7.  United States.  https://doi.org/10.1103/PhysRevB.92.174403

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                    Singh, David J. Tue .  
"Electronic structure and weak itinerant magnetism in metallic Y2Ni7".  United States.  https://doi.org/10.1103/PhysRevB.92.174403.  https://www.osti.gov/servlets/purl/1239755.

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@article{osti_1239755,

  title        = {Electronic structure and weak itinerant magnetism in metallic Y2Ni7},

  author       = {Singh, David J.},

  abstractNote = {We describe a density functional study of the electronic structure and magnetism of Y₂Ni₇. The results show itinerant magnetism very similar to that in the weak itinerant ferromagnet Ni₃Al. The electropositive Y atoms in Y₂Ni₇ donate charge to the Ni host mostly in the form of s electrons. The non-spin-polarized state shows a high density of states at the Fermi level, N (EF), due to flat bands. This leads to a ferromagnetic instability. However, there are also several much more dispersive bands crossing E(F), which should promote the conductivity. Spin fluctuation effects appear to be comparable to or weaker than Ni₃Al, based on comparison with experimental data. Y₂Ni₇ provides a uniaxial analog to cubic Ni₃Al, for studying weak itinerant ferromagnetism, suggesting detailed measurements of its low temperature physical properties and spin fluctuations, as well as experiments under pressure.},

  doi          = {10.1103/PhysRevB.92.174403},

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

  number       = 17,

  volume       = 92,

  place        = {United States},

  year         = {Tue Nov 03 00:00:00 EST 2015},

  month        = {Tue Nov 03 00:00:00 EST 2015}

}

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Works referencing / citing this record:

Interplay of local moment and itinerant magnetism in cobalt-based Heusler ferromagnets: ${Co}_{2} TiSi, {Co}_{2} MnSi$ and ${Co}_{2} FeSi$
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Qin, Guanhua; Ren, Wei; Singh, David J.
Physical Review B, Vol. 101, Issue 1
DOI: 10.1103/physrevb.101.014427

Relation between the weak itinerant magnetism in $A_2$Ni$_7$ compounds ($A$ = Y, La) and their stacked crystal structures
text, January 2019

Crivello, Jean-Claude; Paul-Boncour, Valérie
arXiv
DOI: 10.48550/arxiv.1903.11423

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Title: Electronic structure and weak itinerant magnetism in metallic Y 2 Ni 7

Abstract

Citation Formats

“Thermal spontaneous magnetization” in Y2Ni7: A misinterpretation journal, February 1990

Electronic structure and magnetism of Y-M (M=Mn, Fe, Co and Ni) compounds journal, March 1988

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Magnetism in Fe-based superconductors journal, April 2010

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Magnetically mediated superconductivity in heavy fermion compounds journal, July 1998

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Evidence for Strong Itinerant Spin Fluctuations in the Normal State of CeFeAsO 0.89 F 0.11 Iron-Oxypnictide Superconductors journal, December 2008

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journal, March 1969

Developments of the theory of spin fluctuations and spin fluctuation-induced superconductivity
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Small angle neutron scattering in Ni ₃ Al
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Magnetic properties of Y2Ni7 and its hydride
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Magnetic properties of Ni ₃ Al and Ni ₃ Ga: emergent states and the possible importance of a tri-critical point
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Magnetically mediated superconductivity in heavy fermion compounds
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Magnetic ground state properties of transition metals
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The crystal structure of rare-earth nickel compounds of the type R2Ni7
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Spin Fluctuations in Itinerant Electron Magnetism
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The long-wavelength spin fluctuation spectrum of Ni3Ga
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Exchange interactions and spin-wave stiffness in ferromagnetic metals
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Crystal structures of AB3 and A2B7 rare earth-nickel phases
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The puzzle of high temperature superconductivity in layered iron pnictides and chalcogenides
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Band model for magnetism of transition metals in the spin-density-functional formalism
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Problems with reconciling density functional theory calculations with experiment in ferropnictides
journal, August 2008

Evidence for Strong Itinerant Spin Fluctuations in the Normal State of ${CeFeAsO}_{0.89} F_{0.11}$ Iron-Oxypnictide Superconductors
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$d$ -wave pairing near a spin-density-wave instability
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Unconventional Superconductivity with a Sign Reversal in the Order Parameter of ${LaFeAsO}_{1 - x} F_{x}$
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Unconventional Pairing Originating from the Disconnected Fermi Surfaces of Superconducting ${LaFeAsO}_{1 - x} F_{x}$
journal, August 2008

A common thread: The pairing interaction for unconventional superconductors
journal, October 2012

Spin-fluctuation-dominated electrical transport of ${Ni}_{3} Al$ at high pressure
journal, July 2005

Why ${N i}_{3} A l$ Is an Itinerant Ferromagnet but ${N i}_{3} G a$ Is Not
journal, April 2004

Investigation of weak itinerant ferromagnetism and critical behavior of Y $_{2}$ Ni $_{7}$
journal, November 2011

Generalized Gradient Approximation Made Simple
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Magnetism, critical fluctuations, and susceptibility renormalization in Pd
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Uniform susceptibilities of metallic elements
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Metamagnetic behavior of fcc iron
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Low-temperature ferromagnetism in (Ga, Mn)N: Ab initio calculations
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High Temperature Magnetic Ordering in the $4 d$ Perovskite ${SrTcO}_{3}$
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Continuous metal-insulator transition of the antiferromagnetic perovskite ${NaOsO}_{3}$
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Electronic structure and the origin of the high ordering temperature in ${SrRu}_{2} O_{6}$
journal, June 2015

Itinerant Electron Magnetism
journal, August 1984

Itinerant electron magnetism
journal, February 1983

Magnetism, Critical Fluctuations and Susceptibility Renormalization in Pd
text, January 2003

Why Ni$_3$Al is an itinerant ferromagnet but Ni$_3$Ga is not
text, January 2003

Interplay of local moment and itinerant magnetism in cobalt-based Heusler ferromagnets: ${Co}_{2} TiSi, {Co}_{2} MnSi$ and ${Co}_{2} FeSi$
journal, January 2020

Relation between the weak itinerant magnetism in $A_2$Ni$_7$ compounds ($A$ = Y, La) and their stacked crystal structures
text, January 2019