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Pressure-induced ph...
Pressure-induced phase transitions in α-ZrMo2O8
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- Muthu, D. V S (författare)
- University of Missouri-Kansas City
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- Chen, B. (författare)
- University of Missouri-Kansas City
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- Wrobel, J. M. (författare)
- University of Missouri-Kansas City
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visa fler...
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- Andersen, A. M Krogh (författare)
- University of Missouri-Kansas City
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- Carlson, S. (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Kruger, M. B. (författare)
- University of Missouri-Kansas City
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visa färre...
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(creator_code:org_t)
- 2002
- 2002
- Engelska 5 s.
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Ingår i: Physical Review B (Condensed Matter). - 0163-1829. ; 65:6, s. 641011-641015
- Relaterad länk:
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https://lup.lub.lu.s...
Abstract
Ämnesord
Stäng
- We report high-pressure Raman, infrared (IR), and optical-absorption spectra of α-ZrMo2O8 (trigonal) up to 38 GPa at room temperature. The spectroscopic studies are consistent with diffraction results that show that α-ZrMo2O8 transforms into δ-ZrMo2O8 (monoclinic) at about 1 GPa and the δ phase converts to the ε phase (triclinic) at about 2.0 GPa. Optical-absorption measurements give an estimate of the band gap of about 0.6 eV at the lowest pressure. Band-gap changes with pressure are confirmed with visual observations. ZrMo2O8 changes from transparent at 5 GPa to yellow at 10 GPa, red at 18 GPa, and at about 30 GPa it becomes opaque.
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- ref (ämneskategori)
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