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Title: Magnetic Correlations in the Quasi-Two-Dimensional Semiconducting Ferromagnet CrSiTe3

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics
 [1];  [1];  [1];  [1];  [1];  [2];  [2]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)

Intrinsic, 2D ferromagnetic semiconductors are an important class of materials for overcoming dilute magnetic semiconductors’ limitations for spintronics. CrSiTe3 is a particularly interesting material of this class, since it can likely be exfoliated to single layers, for which Tc is predicted to increase dramatically. Establishing the nature of the bulk material’s magnetism is necessary for understanding the thin-film magnetic behavior and the material’s possible applications. In this work, we use elastic and inelastic neutron scattering to measure the magnetic properties of single crystalline CrSiTe3. We find a very small single ion anisotropy that favors magnetic ordering along the c-axis and that the measured spin waves fit well to a model in which the moments are only weakly coupled along that direction. Then, we find that both static and dynamic correlations persist within the ab-plane up to at least 300 K, which is strong evidence of the material's 2D characteristics that are relevant for future studies on thin film and monolayer samples.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1222556
Alternate ID(s):
OSTI ID: 1222528
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Vol. 92, Issue 14; ISSN 1098-0121
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 123 works
Citation information provided by
Web of Science

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Cited By (23)

Extended exchange interactions stabilize long-period magnetic structures in Cr 1∕3 NbS 2 journal July 2018
Two dimensional ferromagnetic semiconductor: monolayer CrGeS 3 journal October 2019
Effect of Coulomb Interactions on the Electronic and Magnetic Properties of Two-Dimensional CrSiTe3 and CrGeTe3 Materials journal September 2018
Effects of hydrostatic pressure on spin-lattice coupling in two-dimensional ferromagnetic Cr 2 Ge 2 Te 6 journal February 2018
Realization of an excellent two-dimensional Heisenberg ferromagnetic system: the synthesis, structure, and thermodynamic properties of piperazinediium tetrabromocuprate journal January 2019
Interplay between Kitaev interaction and single ion anisotropy in ferromagnetic CrI3 and CrGeTe3 monolayers journal November 2018
Anisotropic magnetoresistance behaviors in the layered ferromagnetic Cr 2 Ge 2 Te 6 journal October 2019
Magnetism in two-dimensional van der Waals materials journal October 2018
Electrically tunable exchange splitting in bilayer graphene on monolayer Cr 2 X 2 Te 6 with X = Ge, Si, and Sn journal July 2018
Magnetism-tuning strategies for graphene oxide based on magnetic oligoacene oxide patches model journal January 2018
Asymmetric dynamics of edge exchange spin waves in honeycomb nanoribbons with zigzag and bearded edge boundaries journal April 2019
Revealing antiferromagnetic transition of van der Waals MnPS 3 via vertical tunneling electrical resistance measurement journal August 2019
Critical behavior of the quasi-two-dimensional semiconducting ferromagnet CrSiTe3 journal September 2016
Anisotropic magnetic entropy change in Cr 2 X 2 Te 6 ( X = Si and Ge ) journal January 2019
Highly tunable Raman scattering and transport in layered magnetic Cr 2 S 3 nanoplates grown by sulfurization journal May 2019
Intrinsic Van Der Waals Magnetic Materials from Bulk to the 2D Limit: New Frontiers of Spintronics journal May 2019
Curie temperature of emerging two-dimensional magnetic structures journal November 2019
Magnonic quantum spin Hall state in the zigzag and stripe phases of the antiferromagnetic honeycomb lattice journal May 2018
Gate-controllable magneto-optic Kerr effect in layered collinear antiferromagnets text January 2016
Effect of Coulomb Interactions on the Electronic and Magnetic Properties of Two-Dimensional CrSiTe$_3$ and CrGeTe$_3$ Materials text January 2018
Interplay between Kitaev interaction and single ion anisotropy in ferromagnetic CrI$_3$ and CrGeTe$_3$ monolayers text January 2018
Asymmetric dynamics of edge exchange spin waves in honeycomb nanoribbons with zigzag and bearded edges boundaries text January 2019
Two Dimensional Ferromagnetic Semiconductor: Monolayer CrGeS$_3$ text January 2019

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