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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 Cr 5Te 8 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 CrI 3, 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 Δ SM( T, H) and relative cooling power. Furthermore, given the high Curie temperature, Cr 5Te 8 crystals are materials of interest for nanofabrication in basic science and applied technology.

Authors:
ORCiD logo [1];  [1]; ORCiD logo [1];  [1];  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Scientific User Facilities Division
OSTI Identifier:
1581517
Report Number(s):
BNL-212503-2020-JAAM
Journal ID: ISSN 2469-9950; PRBMDO
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.
Liu, Yu, Abeykoon, Milinda, Stavitski, Eli, Attenkofer, Klaus, & Petrovic, C. Magnetic anisotropy and entropy change in trigonal Cr5Te8. United States. doi:10.1103/PhysRevB.100.245114.
Liu, Yu, Abeykoon, Milinda, Stavitski, Eli, Attenkofer, Klaus, and Petrovic, C. Mon . "Magnetic anisotropy and entropy change in trigonal Cr5Te8". United States. doi:10.1103/PhysRevB.100.245114.
@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 = {2019},
month = {12}
}

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