Critical behavior of the quasi-two-dimensional weak itinerant ferromagnet trigonal chromium telluride
- Brookhaven National Lab. (BNL), Upton, NY (United States)
The critical properties of flux-grown single-crystalline quasi-two-dimensional weak itinerant ferromagnet Cr 0.62 Te were investigated by bulk dc magnetization around the paramagnetic to ferromagnetic phase transition. Critical exponents β = 0.315 ( 7 ) with a critical temperature Tc = 230.6 ( 3 ) K and γ = 1.81 ( 2 ) with Tc = 229.1 ( 1 ) K are obtained by the Kouvel-Fisher method whereas δ = 6.35 ( 4 ) is obtained by a critical isotherm analysis at T c = 230 K. With these obtained exponents, the magnetization-field-temperature curves collapse into two independent curves following a single scaling equation M | T-Tc/Tc|-β = f ± ( H |T-Tc/Tc| -β δ ) around Tc , suggesting the reliability of the obtained exponents. Additionally, the determined exponents of Cr 0.62 Te exhibit an Ising-like behavior with a change from short-range order to long-range order in the nature of magnetic interaction and with an extension from two to three dimensions on cooling through Tc.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC0012704
- OSTI ID:
- 1412754
- Alternate ID(s):
- OSTI ID: 1398738
- Report Number(s):
- BNL-114727-2017-JA; PRBMDO; R&D Project: PM015; KC0207010; TRN: US1800346
- Journal Information:
- Physical Review B, Vol. 96, Issue 13; ISSN 2469-9950
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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