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  Pressure-induced metallization in layered ReSe2

Naumov, P. G., ElGhazali, M. A., Mirhosseini, H., Süß, V., Morosan, E., Felser, C., et al. (2018). Pressure-induced metallization in layered ReSe2. Journal of Physics: Condensed Matter, 30(3): 035401, pp. 1-6. doi:10.1088/1361-648X/aa9f52.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-9F30-8 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-9F34-F
Genre: Journal Article

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 Creators:
Naumov, P. G.1, Author              
ElGhazali, M. A.1, Author              
Mirhosseini, H.1, Author              
Süß, V.1, Author              
Morosan, E.2, Author
Felser, C.3, Author              
Medvedev, S. A.4, Author              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2External Organizations, ou_persistent22              
3Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              
4Sergiy Medvediev, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863438              

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 Abstract: The evolution of the crystal structure and electrical transport properties of distorted layered transition metal dichalcogenide ReSe2 was studied under high pressure up to similar to 90 GPa by Raman spectroscopy and electrical resistivity measurements accompanied by ab initio electronic band structure calculations. Raman spectroscopy studies indicate an isostructural phase transition due to layer sliding at similar to 7 GPa, to the distorted 1T-phase which remains stable up to the highest pressures employed in these experiments. From a direct band gap semiconductor at ambient pressure, ReSe2 undergoes pressure-induced metallization at pressures similar to 35 GPa, in agreement with the ab initio calculations. Resistivity measurements performed with different loading conditions reveal the possible emergence of superconductivity, which is most likely not an intrinsic property of ReSe2, but is rather conditioned by internal stresses upon compression.

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Language(s): eng - English
 Dates: 2018-01-042018-01-04
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1088/1361-648X/aa9f52
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Title: Journal of Physics: Condensed Matter
Source Genre: Journal
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Publ. Info: Bristol : IOP Publishing
Pages: - Volume / Issue: 30 (3) Sequence Number: 035401 Start / End Page: 1 - 6 Identifier: ISSN: 0953-8984
CoNE: /journals/resource/954928562478