Pressure-induced metal–insulator transitions in chalcogenide NiS2-Se

Hussain T, Oh M, Nauman M, Jo Y, Han G, Kim C, Kang W. 2018. Pressure-induced metal–insulator transitions in chalcogenide NiS2-Se. Physica B: Condensed Matter. 536, 235–238.

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Journal Article | Published | English
Author
Hussain, Tayyaba; Oh, Myeong-jun; Nauman, MuhammadIST Austria ; Jo, Younjung; Han, Garam; Kim, Changyoung; Kang, Woun
Abstract
We report the temperature-dependent resistivity ρ(T) of chalcogenide NiS2-xSex (x = 0.1) using hydrostatic pressure as a control parameter in the temperature range of 4–300 K. The insulating behavior of ρ(T) survives at low temperatures in the pressure regime below 7.5 kbar, whereas a clear insulator-to-metallic transition is observed above 7.5 kbar. Two types of magnetic transitions, from the paramagnetic (PM) to the antiferromagnetic (AFM) state and from the AFM state to the weak ferromagnetic (WF) state, were evaluated and confirmed by magnetization measurement. According to the temperature–pressure phase diagram, the WF phase survives up to 7.5 kbar, and the transition temperature of the WF transition decreases as the pressure increases, whereas the metal–insulator transition temperature increases up to 9.4 kbar. We analyzed the metallic behavior and proposed Fermi-liquid behavior of NiS1.9Se0.1.
Publishing Year
Date Published
2018-05-01
Journal Title
Physica B: Condensed Matter
Volume
536
Page
235-238
ISSN
IST-REx-ID

Cite this

Hussain T, Oh M, Nauman M, et al. Pressure-induced metal–insulator transitions in chalcogenide NiS2-Se. Physica B: Condensed Matter. 2018;536:235-238. doi:10.1016/j.physb.2017.11.032
Hussain, T., Oh, M., Nauman, M., Jo, Y., Han, G., Kim, C., & Kang, W. (2018). Pressure-induced metal–insulator transitions in chalcogenide NiS2-Se. Physica B: Condensed Matter. Elsevier. https://doi.org/10.1016/j.physb.2017.11.032
Hussain, Tayyaba, Myeong-jun Oh, Muhammad Nauman, Younjung Jo, Garam Han, Changyoung Kim, and Woun Kang. “Pressure-Induced Metal–Insulator Transitions in Chalcogenide NiS2-Se.” Physica B: Condensed Matter. Elsevier, 2018. https://doi.org/10.1016/j.physb.2017.11.032.
T. Hussain et al., “Pressure-induced metal–insulator transitions in chalcogenide NiS2-Se,” Physica B: Condensed Matter, vol. 536. Elsevier, pp. 235–238, 2018.
Hussain T, Oh M, Nauman M, Jo Y, Han G, Kim C, Kang W. 2018. Pressure-induced metal–insulator transitions in chalcogenide NiS2-Se. Physica B: Condensed Matter. 536, 235–238.
Hussain, Tayyaba, et al. “Pressure-Induced Metal–Insulator Transitions in Chalcogenide NiS2-Se.” Physica B: Condensed Matter, vol. 536, Elsevier, 2018, pp. 235–38, doi:10.1016/j.physb.2017.11.032.

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