Strongly coupled electronic, magnetic, and lattice degrees of freedom in LaCo5 under pressure

Stillwell, Ryan L.; Jeffries, Jason R.; McCall, Scott K.; Lee, Jonathan R. I.; Weir, Samuel T.; Vohra, Yogesh K.

doi:10.1103/PhysRevB.92.174421

Title: Strongly coupled electronic, magnetic, and lattice degrees of freedom in LaCo₅ under pressure

Abstract

We have performed the first high-pressure magnetotransport and x-ray diffraction measurements on ferromagnetic LaCo₅, confirming the theoretically predicted electronic topological transition driving the magneto-elastic collapse seen in the related compound YCo₅. Our x-ray diffraction results show an anisotropic lattice collapse of the c-axis near 10 GPa that is also commensurate with a change in the majority charge carriers evident from high-pressure Hall effect measurements. Here, the coupling of the electronic, magnetic and lattice degrees of freedom is further substantiated by the evolution of the anomalous Hall effect, which couples to the magnetization of the ordered state of LaCo₅.

Authors:

Stillwell, Ryan L. ^[1]; Jeffries, Jason R. ^[1]; McCall, Scott K. ^[1]; Lee, Jonathan R. I. ^[1]; Weir, Samuel T. ^[1]; Vohra, Yogesh K. ^[2]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Univ. of Alabama at Birmingham, Birmingham, AL (United States)

Publication Date:: Wed Nov 25 00:00:00 EST 2015

Research Org.:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Carnegie Institution of Washington, Washington, D.C. (United States)

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

OSTI Identifier:: 1251069

Alternate Identifier(s):: OSTI ID: 1227081; OSTI ID: 1335498

Report Number(s):: LLNL-JRNL-672877
Journal ID: ISSN 1098-0121; PRBMDO

Grant/Contract Number:: AC52-07NA27344; 12-ERD-013; 14-ERD-041; AC52- 07NA27344; NA0001974; FG02-99ER45775; NA0002014; NA0002006

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

Citation Formats


                    Stillwell, Ryan L., Jeffries, Jason R., McCall, Scott K., Lee, Jonathan R. I., Weir, Samuel T., and Vohra, Yogesh K. Strongly coupled electronic, magnetic, and lattice degrees of freedom in LaCo5 under pressure.  United States: N. p., 2015. 
Web.  doi:10.1103/PhysRevB.92.174421.

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                    Stillwell, Ryan L., Jeffries, Jason R., McCall, Scott K., Lee, Jonathan R. I., Weir, Samuel T., & Vohra, Yogesh K. Strongly coupled electronic, magnetic, and lattice degrees of freedom in LaCo5 under pressure.  United States.  https://doi.org/10.1103/PhysRevB.92.174421

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                    Stillwell, Ryan L., Jeffries, Jason R., McCall, Scott K., Lee, Jonathan R. I., Weir, Samuel T., and Vohra, Yogesh K. Wed .  
"Strongly coupled electronic, magnetic, and lattice degrees of freedom in LaCo5 under pressure".  United States.  https://doi.org/10.1103/PhysRevB.92.174421.  https://www.osti.gov/servlets/purl/1251069.

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@article{osti_1251069,

  title        = {Strongly coupled electronic, magnetic, and lattice degrees of freedom in LaCo5 under pressure},

  author       = {Stillwell, Ryan L. and Jeffries, Jason R. and McCall, Scott K. and Lee, Jonathan R. I. and Weir, Samuel T. and Vohra, Yogesh K.},

  abstractNote = {We have performed the first high-pressure magnetotransport and x-ray diffraction measurements on ferromagnetic LaCo5, confirming the theoretically predicted electronic topological transition driving the magneto-elastic collapse seen in the related compound YCo5. Our x-ray diffraction results show an anisotropic lattice collapse of the c-axis near 10 GPa that is also commensurate with a change in the majority charge carriers evident from high-pressure Hall effect measurements. Here, the coupling of the electronic, magnetic and lattice degrees of freedom is further substantiated by the evolution of the anomalous Hall effect, which couples to the magnetization of the ordered state of LaCo5.},

  doi          = {10.1103/PhysRevB.92.174421},

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

  number       = 17,

  volume       = 92,

  place        = {United States},

  year         = {Wed Nov 25 00:00:00 EST 2015},

  month        = {Wed Nov 25 00:00:00 EST 2015}

}

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Title: Strongly coupled electronic, magnetic, and lattice degrees of freedom in LaCo5 under pressure

Abstract

Citation Formats

Emergent phenomena at multiferroic heterointerfaces journal, October 2012

X-ray absorption spectroscopy and x-ray magnetic circular dichroism simultaneous measurements under high pressure: the iron bcc–hcp transition case journal, March 2005

On the temperature correction to the ruby pressure scale journal, May 1991

Anisotropy-enhanced giant reversible rotating magnetocaloric effect in HoMn 2 O 5 single crystals journal, June 2014

Side-Jump and Side-Slide Mechanisms for Ferromagnetic Hall Effect journal, September 1973

Robust ferromagnetism in the compressed permanent magnet Sm 2 Co 17 journal, September 2014

Dynamics of the Magnetic and Structural α − ε Phase Transition in Iron journal, December 2004

Finite Elastic Strain of Cubic Crystals journal, June 1947

Magnetic structure and anisotropy of Ga- and Al-substituted LaCo 5 and YCo 5 intermetallics journal, May 1996

Proper Scaling of the Anomalous Hall Effect journal, August 2009

X-ray circular dichroism and local magnetic fields journal, February 1993

Rare-earth transition-metal intermetallics journal, June 1991

Itinerant-electron metamagnetism of journal, January 1999

New developments in hard magnetic materials journal, September 1991

Application of the Side-Jump Model to the Hall Effect and Nernst Effect in Ferromagnets journal, March 1972

Calibration of the pressure dependence of the R 1 ruby fluorescence line to 195 kbar journal, June 1975

Magnetic and elastic properties of Y Co 5 and La Co 5 under pressure journal, January 2008

Structure-dependent ferromagnetism in Au 4 V studied under high pressure journal, November 2006

Magnetocaloric effect and magnetic refrigeration journal, October 1999

Side-Jump Mechanism for the Hall Effect of Ferromagnets journal, December 1970

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Magneto-elastic lattice collapse in YCo5 journal, July 2006

X-ray circular dichroism as a probe of orbital magnetization journal, March 1992

Epitaxial diamond encapsulation of metal microprobes for high pressure experiments journal, November 2000

Hall Effect in Ferromagnetics journal, September 1954

Electrostrictive effect in ferroelectrics: An alternative approach to improve piezoelectricity journal, March 2014

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Title: Strongly coupled electronic, magnetic, and lattice degrees of freedom in LaCo₅ under pressure

Emergent phenomena at multiferroic heterointerfaces
journal, October 2012

X-ray absorption spectroscopy and x-ray magnetic circular dichroism simultaneous measurements under high pressure: the iron bcc–hcp transition case
journal, March 2005

On the temperature correction to the ruby pressure scale
journal, May 1991

Anisotropy-enhanced giant reversible rotating magnetocaloric effect in HoMn ₂ O ₅ single crystals
journal, June 2014

Side-Jump and Side-Slide Mechanisms for Ferromagnetic Hall Effect
journal, September 1973

Robust ferromagnetism in the compressed permanent magnet ${Sm}_{2} {Co}_{17}$
journal, September 2014

Dynamics of the Magnetic and Structural $α − ε$ Phase Transition in Iron
journal, December 2004

Finite Elastic Strain of Cubic Crystals
journal, June 1947

Magnetic structure and anisotropy of Ga- and Al-substituted ${LaCo}_{5}$ and ${YCo}_{5}$ intermetallics
journal, May 1996

Proper Scaling of the Anomalous Hall Effect
journal, August 2009

X-ray circular dichroism and local magnetic fields
journal, February 1993

Rare-earth transition-metal intermetallics
journal, June 1991

Itinerant-electron metamagnetism of
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New developments in hard magnetic materials
journal, September 1991

Application of the Side-Jump Model to the Hall Effect and Nernst Effect in Ferromagnets
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Calibration of the pressure dependence of the R ₁ ruby fluorescence line to 195 kbar
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Magnetic and elastic properties of $Y {Co}_{5}$ and $La {Co}_{5}$ under pressure
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Structure-dependent ferromagnetism in ${Au}_{4} V$ studied under high pressure
journal, November 2006

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journal, October 1999

Side-Jump Mechanism for the Hall Effect of Ferromagnets
journal, December 1970

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