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Title: Three-dimensional magnetic critical behavior in CrI 3

Abstract

CrI 3 is a promising candidate for the van der Waals bonded ferromagnetic devices since its ferromagnetism can be maintained upon exfoliating of bulk crystals down to single layer. In this work we studied critical properties of bulk CrI 3 single crystals around the paramagnetic to ferromagnetic phase transition. Critical exponents β= 0.260(4) with a critical temperature T c= 60.05(13) K and γ= 1.136(6) with T c= 60.43(4) K are obtained by the Kouvel-Fisher method, whereas δ= 5.32(2) is obtained by a critical isotherm analysis at T c= 60 K. In conclusion, the critical exponents determined in bulk CrI 3 single crystals suggest a three-dimensional long-range magnetic coupling with the exchange distance decaying as J(r)≈r -4:69

Authors:
 [1];  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
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). Materials Sciences & Engineering Division
OSTI Identifier:
1426456
Alternate Identifier(s):
OSTI ID: 1417417
Report Number(s):
BNL-203345-2018-JAAM
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1802286
Grant/Contract Number:  
SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 97; Journal Issue: 1; 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; 30 DIRECT ENERGY CONVERSION; ferromagnetism; magnetism; magnetic semiconductors; single crystal materials; magnetization measurements; x-ray diffraction

Citation Formats

Liu, Yu, and Petrovic, C. Three-dimensional magnetic critical behavior in CrI3. United States: N. p., 2018. Web. doi:10.1103/PhysRevB.97.014420.
Liu, Yu, & Petrovic, C. Three-dimensional magnetic critical behavior in CrI3. United States. doi:10.1103/PhysRevB.97.014420.
Liu, Yu, and Petrovic, C. Thu . "Three-dimensional magnetic critical behavior in CrI3". United States. doi:10.1103/PhysRevB.97.014420. https://www.osti.gov/servlets/purl/1426456.
@article{osti_1426456,
title = {Three-dimensional magnetic critical behavior in CrI3},
author = {Liu, Yu and Petrovic, C.},
abstractNote = {CrI3 is a promising candidate for the van der Waals bonded ferromagnetic devices since its ferromagnetism can be maintained upon exfoliating of bulk crystals down to single layer. In this work we studied critical properties of bulk CrI3 single crystals around the paramagnetic to ferromagnetic phase transition. Critical exponents β= 0.260(4) with a critical temperature Tc= 60.05(13) K and γ= 1.136(6) with Tc= 60.43(4) K are obtained by the Kouvel-Fisher method, whereas δ= 5.32(2) is obtained by a critical isotherm analysis at Tc= 60 K. In conclusion, the critical exponents determined in bulk CrI3 single crystals suggest a three-dimensional long-range magnetic coupling with the exchange distance decaying as J(r)≈r-4:69},
doi = {10.1103/PhysRevB.97.014420},
journal = {Physical Review B},
number = 1,
volume = 97,
place = {United States},
year = {2018},
month = {1}
}

Journal Article:
Free Publicly Available Full Text
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Citation Metrics:
Cited by: 13 works
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Figures / Tables:

FIG. 1 FIG. 1: (a) Crystal structure of CrI3 at room temperature. (b) Image of representative single crystals. (c) Single-crystal x-ray diffraction (XRD) and (d) powder XRD patterns of CrI3 at room temperature. The vertical tick marks represent Bragg reflections of the C2/m space group.

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.