Quantum phase transition and ferromagnetism in Co1+xSn

Pahari, Rabindra; Balasubramanian, Balamurugan; Pathak, Rohit; Nguyen, Manh Cuong; Valloppilly, Shah R.; Skomski, Ralph; Kashyap, Arti; Wang, Cai-Zhuang; Ho, Kai-Ming; Hadjipanayis, George C.; Sellmyer, David J.

doi:10.1103/physrevb.99.184438

Title: Quantum phase transition and ferromagnetism in $C o_{1 + x} Sn$

Abstract

The onset of ferromagnetism in cobalt-tin alloys is investigated experimentally and theoretically. The Co_1+xSn alloys were prepared by rapid quenching from the melt and form a modified hexagonal NiAs-type crystal structure for 0.45 ≤ x ≤ 1. The magnetic behavior is described analytically and by density-functional theory using supercells and the coherent-potential approximation. The excess of Co concentration x, which enters the interstitial 2d sites in the hypothetical NiAs-ordered parent alloy CoSn, yields a Griffiths-like phase and, above a quantum critical point (x_c ≈ 0.65), a quantum phase transition to ferromagnetic order. Quantum critical exponents are determined on the paramagnetic and ferromagnetic sides of the transition and related to the nature of the magnetism in itinerant systems with different types of chemical disorder.

Authors:

Pahari, Rabindra ^[1]; Balasubramanian, Balamurugan ^[1]; Pathak, Rohit ^[2]; Nguyen, Manh Cuong ^[3]; Valloppilly, Shah R. ^[1]; Skomski, Ralph ^[1]; Kashyap, Arti ^[2]; Wang, Cai-Zhuang ^[3]; Ho, Kai-Ming ^[3]; Hadjipanayis, George C. ^[4]; Sellmyer, David J. ^[1]

Univ. of Nebraska, Lincoln, NE (United States)
IIT Mandi, Himachal Pradesh (India)
Ames Lab., and Iowa State Univ., Ames, IA (United States)
Univ. of Delaware, Newark, DE (United States)

Publication Date:: Tue May 28 00:00:00 EDT 2019

Research Org.:: Univ. of Nebraska, Lincoln, NE (United States); Univ. of Delaware, Newark, DE (United States); Iowa State Univ., Ames, IA (United States); Ames Laboratory (AMES), Ames, IA (United States)

Sponsoring Org.:: USDOE Office of Science (SC); National Science Foundation (NSF)

OSTI Identifier:: 1609559

Alternate Identifier(s):: OSTI ID: 1518501; OSTI ID: 1700694

Report Number(s):: IS-J-9959
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US2105312

Grant/Contract Number:: FG02-04ER46152; FG02-90ER45413; AC02-07CH11358; DMREF 1729677; DMREF:SusChEM 1729288; NNCI-1542182

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review B

Additional Journal Information:: Journal Volume: 99; Journal Issue: 18; 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; materials science; physics; magnetism; quantum phase transitions; disordered alloys; transition-metal alloys

Citation Formats


                    Pahari, Rabindra, Balasubramanian, Balamurugan, Pathak, Rohit, Nguyen, Manh Cuong, Valloppilly, Shah R., Skomski, Ralph, Kashyap, Arti, Wang, Cai-Zhuang, Ho, Kai-Ming, Hadjipanayis, George C., and Sellmyer, David J. Quantum phase transition and ferromagnetism in Co1+xSn.  United States: N. p., 2019. 
Web.  doi:10.1103/physrevb.99.184438.

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                    Pahari, Rabindra, Balasubramanian, Balamurugan, Pathak, Rohit, Nguyen, Manh Cuong, Valloppilly, Shah R., Skomski, Ralph, Kashyap, Arti, Wang, Cai-Zhuang, Ho, Kai-Ming, Hadjipanayis, George C., & Sellmyer, David J. Quantum phase transition and ferromagnetism in Co1+xSn.  United States.  https://doi.org/10.1103/physrevb.99.184438

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                    Pahari, Rabindra, Balasubramanian, Balamurugan, Pathak, Rohit, Nguyen, Manh Cuong, Valloppilly, Shah R., Skomski, Ralph, Kashyap, Arti, Wang, Cai-Zhuang, Ho, Kai-Ming, Hadjipanayis, George C., and Sellmyer, David J. Tue .  
"Quantum phase transition and ferromagnetism in Co1+xSn".  United States.  https://doi.org/10.1103/physrevb.99.184438.  https://www.osti.gov/servlets/purl/1609559.

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@article{osti_1609559,

  title        = {Quantum phase transition and ferromagnetism in Co1+xSn},

  author       = {Pahari, Rabindra and Balasubramanian, Balamurugan and Pathak, Rohit and Nguyen, Manh Cuong and Valloppilly, Shah R. and Skomski, Ralph and Kashyap, Arti and Wang, Cai-Zhuang and Ho, Kai-Ming and Hadjipanayis, George C. and Sellmyer, David J.},

  abstractNote = {The onset of ferromagnetism in cobalt-tin alloys is investigated experimentally and theoretically. The Co1+xSn alloys were prepared by rapid quenching from the melt and form a modified hexagonal NiAs-type crystal structure for 0.45 ≤ x ≤ 1. The magnetic behavior is described analytically and by density-functional theory using supercells and the coherent-potential approximation. The excess of Co concentration x, which enters the interstitial 2d sites in the hypothetical NiAs-ordered parent alloy CoSn, yields a Griffiths-like phase and, above a quantum critical point (xc ≈ 0.65), a quantum phase transition to ferromagnetic order. Quantum critical exponents are determined on the paramagnetic and ferromagnetic sides of the transition and related to the nature of the magnetism in itinerant systems with different types of chemical disorder.},

  doi          = {10.1103/physrevb.99.184438},

  journal      = {Physical Review B},

  number       = 18,

  volume       = 99,

  place        = {United States},

  year         = {Tue May 28 00:00:00 EDT 2019},

  month        = {Tue May 28 00:00:00 EDT 2019}

}

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DOI: 10.1063/1.5130456

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Title: Quantum phase transition and ferromagnetism in C o 1 + x Sn

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Title: Quantum phase transition and ferromagnetism in $C o_{1 + x} Sn$

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Disorder Promotes Ferromagnetism: Rounding of the Quantum Phase Transition in ${Sr}_{1 - x} {Ca}_{x} {RuO}_{3}$
journal, May 2012

Simple Models of Magnetism
book, January 2008

Beitrag zur Theorie des Ferromagnetismus
journal, February 1925

Quantum phase transitions
journal, April 1999

Quantum Critical Behavior of the Cluster Glass Phase
journal, October 2007

On the Ising character of the quantum-phase transition in LiHoF ₄
journal, May 2016

Quantum Griffiths Phase in the Weak Itinerant Ferromagnetic Alloy ${Ni}_{1 - x} V_{x}$
journal, February 2010

Disorder in Quantum Many-Body Systems
journal, March 2019

The theory and properties of randomly disordered crystals and related physical systems
journal, July 1974

The Curie temperature of the ferromagnetic transition metals and their compounds
journal, December 1987

Special points for Brillouin-zone integrations
journal, June 1976

Localized Magnetic States in Metals
journal, October 1961

Theory of Magnetic Fluctuations in Itinerant Ferromagnets
journal, July 1972

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

Percolation theory
journal, July 1980

Magnetism in one dimension: Fe on Cu(111)
journal, August 1997

Phase formation in L10 magnets
journal, May 2007

Magnetism of new metastable cobalt-nitride compounds
journal, January 2018

Random transverse field Ising spin chains
journal, July 1992

Nonanalytic Behavior Above the Critical Point in a Random Ising Ferromagnet
journal, July 1969

Über die kristallchemischen parameter der Ni-, Co- und Fe-haltigen phasen vom NiAs-Typ
journal, July 1976

The renormalization group and critical phenomena
journal, July 1983

Structural and magnetic properties of Co-V nanoparticles
journal, December 2019