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Pressure-induced reentrant transition in NbS3 phases : Combined Raman scattering and x-ray diffraction study

Abdel-Hafiez, Mahmoud (author)
Uppsala universitet,Molekyl- och kondenserade materiens fysik,Ctr High Pressure Sci & Technol Adv Res, Shanghai 201203, Peoples R China;Harvard Univ, Lyman Lab Phys, Cambridge, MA 02138 USA;Natl Univ Sci & Technol MISiS, Moscow 119049, Russia
Thiyagarajan, R. (author)
Ctr High Pressure Sci & Technol Adv Res, Shanghai 201203, Peoples R China
Majumdar, Arnab (author)
Uppsala universitet,Materialteori
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Ahuja, Rajeev, 1965- (author)
Uppsala universitet,Materialteori
Luo, Wei (author)
Uppsala universitet,Materialteori
Vasiliev, A. N. (author)
Natl Univ Sci & Technol MISiS, Moscow 119049, Russia;Natl Res South Ural State Univ, Chelyabinsk 454080, Russia;Moscow MV Lomonosov State Univ, Moscow 119991, Russia
Maarouf, A. A. (author)
Imam Abdulrahman Bin Faisal Univ, Inst Res & Med Consultat, Dept Phys, Dammam 31441, Saudi Arabia
Zybtsev, S. G. (author)
RAS, Inst Radioengn & Elect, Moscow 125009, Russia
Pokrovskii, V. Ya (author)
RAS, Inst Radioengn & Elect, Moscow 125009, Russia
V-Zaitsev-Zotov, S. (author)
RAS, Inst Radioengn & Elect, Moscow 125009, Russia
Pavlovskiy, V. V. (author)
RAS, Inst Radioengn & Elect, Moscow 125009, Russia
Pai, Woei Wu (author)
Natl Taiwan Univ, Ctr Condensed Matter Sci, Taipei 106, Taiwan;Natl Taiwan Univ, Dept Phys, Taipei 10610, Taiwan
Yang, W. (author)
Ctr High Pressure Sci & Technol Adv Res, Shanghai 201203, Peoples R China
Kulik, L. , V (author)
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 (creator_code:org_t)
AMER PHYSICAL SOC, 2019
2019
English.
In: Physical Review B. - : AMER PHYSICAL SOC. - 2469-9950 .- 2469-9969. ; 99:23
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • We report the evolution of charge density wave states under pressure for two NbS3 phases: triclinic (phase I) and monoclinic (phase II) at room temperature. Raman and x-ray diffraction (XRD) techniques are applied. The x-ray studies on the monoclinic phase under pressure show a compression of the lattice at different rates below and above similar to 7 GPa but without a change in space group symmetry. The Raman spectra of the two phases evolve similarly with pressure; all peaks almost disappear in the similar to 6-8 GPa range, indicating a transition from an insulating to a metallic state, and peaks at new positions appear above 8 GPa. The results suggest suppression of the ambient charge-density waves and their subsequent recovery with new orderings above 8 GPa.

Subject headings

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

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