Isolation and Characterization of Few-Layer Manganese Thiophosphite.
basic_science · Level V
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- Record sourced from PubMed, PMID 29023097.
- Also identified by DOI 10.1021/acsnano.7b05856.
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Abstract
This work reports an experimental study on an antiferromagnetic honeycomb lattice of MnPS<sub>3</sub> that couples the valley degree of freedom to a macroscopic antiferromagnetic order. The crystal structure of MnPS<sub>3</sub> is identified by high-resolution scanning transmission electron microscopy. Layer-dependent angle-resolved polarized Raman fingerprints of the MnPS<sub>3</sub> crystal are obtained, and the Raman peak at 383 cm<sup>-1</sup> exhibits 100% polarity. Temperature dependences of anisotropic magnetic susceptibility of the MnPS<sub>3</sub> crystal are measured in a superconducting quantum interference device. Anisotropic behaviors of the magnetic moment are explored on the basis of the mean field approximation model. Ambipolar electronic conducting channels in MnPS<sub>3</sub> are realized by the liquid gating technique. The conducting channel of MnPS<sub>3</sub> offers a platform for exploring the spin/valleytronics and magnetic orders in 2D limitation.