Electronic instabilities in the quasi two-dimensional monophosphate tungsten bronze (PO2)4(WO3)2m (m=13)
| Autor: | J.L. Hodeau, C. Hess, A. Ottolenghi, Jean-Paul Pouget, J. Marcus, C. Schlenker |
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| Rok vydání: | 1997 |
| Předmět: |
Condensed matter physics
business.industry Mechanical Engineering Metals and Alloys chemistry.chemical_element Charge density Tungsten Condensed Matter Physics Electronic Optical and Magnetic Materials chemistry.chemical_compound Optics Tungstate chemistry Mechanics of Materials Hall effect Electrical resistivity and conductivity Seebeck coefficient Materials Chemistry Antiferroelectricity Wave vector business |
| Zdroj: | Synthetic Metals. 86:2169-2170 |
| ISSN: | 0379-6779 |
| DOI: | 10.1016/s0379-6779(97)81080-6 |
| Popis: | Single crystals of (PO 2 ) 4 (WO 3 ) 2m (m=13) have been studied by x-ray diffuse scattering and transport (resistivity, Hall effect and thermopower) measurements. Three instabilities are found at T c0 =510K, T c1 =550K and T c2 =160K with modulations of wavevector q 0 =(0.5,0,0), q 1 =(0.053,0.016,?) and q 2 =(0.178,0.145,?). The q 1 an q 2 instabilities are attributed to charge density waves and the q 0 one to an antiferroelectric distortion. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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