Magnetic anisotropy and entropy change in trigonal Cr5Te8

Liu, Yu; Abeykoon, Milinda; Stavitski, Eli; Attenkofer, Klaus; Petrovic, C.

doi:10.1103/PhysRevB.100.245114

Title: Magnetic anisotropy and entropy change in trigonal ${Cr}_{5} {Te}_{8}$

Abstract

We present a comprehensive investigation of the anisotropic magnetic and magnetocaloric properties of quasi-two-dimensional weak itinerant ferromagnet trigonal Cr₅Te₈ single crystals. Magnetic-anisotropy-induced satellite transition T* is observed at low fields applied parallel to the ab plane below the Curie temperature (T_c ~ 230K). T* is featured by an anomalous magnetization downturn, similar to that in structurally related CrI₃, which possibly stems from an in-plane antiferromagnetic alignment induced by out-of-plane ferromagnetic spins canting. Magnetocrystalline anisotropy is also reflected in magnetic entropy change ΔS_M(T,H) and relative cooling power. Furthermore, given the high Curie temperature, Cr₅Te₈ crystals are materials of interest for nanofabrication in basic science and applied technology.

Authors:

^[1]; Abeykoon, Milinda ^[1];

^[1]; Attenkofer, Klaus ^[1]; Petrovic, C. ^[1]

Brookhaven National Lab. (BNL), Upton, NY (United States)

Publication Date:: Mon Dec 09 00:00:00 EST 2019

Research Org.:: Brookhaven National Lab. (BNL), Upton, NY (United States)

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

OSTI Identifier:: 1581517

Report Number(s):: BNL-212503-2020-JAAM
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US2101079

Grant/Contract Number:: SC0012704

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review B

Additional Journal Information:: Journal Volume: 100; Journal Issue: 24; 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

Citation Formats


                    Liu, Yu, Abeykoon, Milinda, Stavitski, Eli, Attenkofer, Klaus, and Petrovic, C. Magnetic anisotropy and entropy change in trigonal Cr5Te8.  United States: N. p., 2019. 
Web.  doi:10.1103/PhysRevB.100.245114.

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                    Liu, Yu, Abeykoon, Milinda, Stavitski, Eli, Attenkofer, Klaus, & Petrovic, C. Magnetic anisotropy and entropy change in trigonal Cr5Te8.  United States.  https://doi.org/10.1103/PhysRevB.100.245114

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                    Liu, Yu, Abeykoon, Milinda, Stavitski, Eli, Attenkofer, Klaus, and Petrovic, C. Mon .  
"Magnetic anisotropy and entropy change in trigonal Cr5Te8".  United States.  https://doi.org/10.1103/PhysRevB.100.245114.  https://www.osti.gov/servlets/purl/1581517.

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@article{osti_1581517,

  title        = {Magnetic anisotropy and entropy change in trigonal Cr5Te8},

  author       = {Liu, Yu and Abeykoon, Milinda and Stavitski, Eli and Attenkofer, Klaus and Petrovic, C.},

  abstractNote = {We present a comprehensive investigation of the anisotropic magnetic and magnetocaloric properties of quasi-two-dimensional weak itinerant ferromagnet trigonal Cr5Te8 single crystals. Magnetic-anisotropy-induced satellite transition T* is observed at low fields applied parallel to the ab plane below the Curie temperature (Tc ~ 230K). T* is featured by an anomalous magnetization downturn, similar to that in structurally related CrI3, which possibly stems from an in-plane antiferromagnetic alignment induced by out-of-plane ferromagnetic spins canting. Magnetocrystalline anisotropy is also reflected in magnetic entropy change ΔSM(T,H) and relative cooling power. Furthermore, given the high Curie temperature, Cr5Te8 crystals are materials of interest for nanofabrication in basic science and applied technology.},

  doi          = {10.1103/PhysRevB.100.245114},

  journal      = {Physical Review B},

  number       = 24,

  volume       = 100,

  place        = {United States},

  year         = {Mon Dec 09 00:00:00 EST 2019},

  month        = {Mon Dec 09 00:00:00 EST 2019}

}

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Title: Magnetic anisotropy and entropy change in trigonal Cr 5 Te 8

Abstract

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Magnetic cooling near Curie temperatures above 300 K
journal, June 1984

Anomalous Hall effect in the trigonal Cr 5 Te 8 single crystal
journal, November 2018

On the origin of magnetic anisotropy in two dimensional CrI ₃
journal, June 2017

Ligand-field helical luminescence in a 2D ferromagnetic insulator
journal, December 2017

Magnetic properties and low temperature X-ray studies of the weak ferromagnetic monoclinic and trigonal chromium tellurides Cr5Te8
journal, March 2004

Two-dimensional detector software: From real detector to idealised image or two-theta scan
journal, January 1996

Recent developments in magnetocaloric materials
journal, May 2005

The Magnetic Structure of Cr2Te3, Cr3Te4, and Cr5Te6.
journal, January 1970

Discovery of Intrinsic Ferromagnetism in Two-Dimensional van der Waals Crystals
conference, January 2017

Temperature-dependent magnetic anisotropy in the layered magnetic semiconductors CrI3 and CrBr3
text, January 2018

Absence of Ferromagnetism or Antiferromagnetism in One- or Two-Dimensional Isotropic Heisenberg Models
journal, December 1966

Layer-dependent Ferromagnetism in a van der Waals Crystal down to the Monolayer Limit
text, January 2017

On the origin of magnetic anisotropy in two dimensional CrI$_3$
text, January 2017

Two-Dimensional Itinerant Ising Ferromagnetism in Atomically thin Fe3GeTe2
text, January 2018

Anomalous Hall effect in trigonal Cr$_5$Te$_8$ single crystal
text, January 2018

Thickness-dependent magnetic order in CrI$_3$ single crystals
text, January 2019