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Pressure-induced insulator-metal transition in two-dimensional Mott insulator NiPS3

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arxiv 2108.11685 v1 pith:BMOSH4HU submitted 2021-08-26 cond-mat.str-el cond-mat.mtrl-sci

Pressure-induced insulator-metal transition in two-dimensional Mott insulator NiPS3

Takahiro Matsuoka , Amanda Haglund , Rui Xue , Jesse S. Smith , Maik Lang , Antonio M. dos Santos , David Mandrus This is my paper
classification cond-mat.str-el cond-mat.mtrl-sci
keywords nips3transitionin-situinsulatorlayeredmagneticmeasurementspressure-induced
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The pressure-induced insulator to metal transition (IMT) of layered magnetic nickel phosphorous tri-sulfide NiPS3 was studied in-situ under quasi-uniaxial conditions by means of electrical resistance (R) and X-ray diffraction (XRD) measurements. This sluggish transition is shown to occur at 35 GPa. Transport measurements show no evidence of superconductivity to the lowest measured temperature (~ 2 K). The structure results presented here differ from earlier in-situ work that subjected the sample to a different pressure state, suggesting that in NiPS3 the phase stability fields are highly dependent on strain. It is suggested that careful control of the strain is essential when studying the electronic and magnetic properties of layered van der Waals solids.

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