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Magnetic order in the van der Waals antiferromagnet CrPS4: Anisotropic H-T phase diagrams and effects of pressure

Bud’ko, Sergey L ; Gati, Elena ; Slade, Tyler J ; Canfield, Paul C

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Título:
Magnetic order in the van der Waals antiferromagnet CrPS4: Anisotropic H-T phase diagrams and effects of pressure
Autor: Bud’ko, Sergey L ; Gati, Elena ; Slade, Tyler J ; Canfield, Paul C
Assuntos: Condensed Matter Physics
Notas: Ames Laboratory Accepted Manuscripts
Descrição: Single crystalline samples of the van der Waals antiferromagnet CrPS4 were studied by measurements of specific heat and comprehensive anisotropic temperature- and magnetic-field-dependent magnetization. In addition, measurements of the heat capacity and magnetization were performed under pressures of up to ∼21 and ∼14 kbar, respectively. At ambient pressure, two magnetic transitions are observed: second order from a paramagnetic to an antiferromagnetic state at TN∼37 K, and a first-order spin reorientation transition at T∗∼34 K. Anisotropic H−T phase diagrams were constructed using the M(T,H) data. As pressure is increased, TN is weakly suppressed with dTN/dP≈−0.1 K/kbar. T∗, on the other hand, is suppressed quite rapidly, with dT∗/dP≈−2 K/kbar, extrapolating to a possible quantum phase transition at Pc∼15 kbar.
Editor: Iowa State University Digital Repository
Data de criação/publicação: 2021
Idioma: Inglês

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