Zobrazeno 1 - 10 of 27 pro vyhledávání: '"H. P. Brückner"'
2
Phase transitions and semiconductor-metal transition in V1−xGaxO2 Single Crystals
Autor: H. Oppermann, W. Brückner, W. Moldenhauer, N. Mattern, H.-P. Brückner, E. Wolf, U. Gerlach
Publikováno v: Physica Status Solidi (a). 38:93-102
The electrical, thermoelectric, magnetic, and crystallographic properties of Ga-doped VO2 single crystals V1−xGaxO2 (0 ≦ x ≦ 0.013) are investigated. By Ga-doping the transition temperature of the semiconductor-metal transition of VO2 is elevat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1bacd3e30aa974167c58aef1277c0b98
https://doi.org/10.1002/pssa.2210380110
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4
Influence of nonstoichiometry on the phase transitions in Ga-, Al-, and Fe-doped VO2
Autor: H.-P. Brückner, H. Oppermann, W. Moldenhauer, U. Gerlach, W. Brückner
Publikováno v: Physica Status Solidi (a). 42:295-303
For monocrystalline V1-xMexO2-y samples (Me = Ga, Al, Fe) the effect of nonstoichiometry (oxygen deficiency) on the electrical, magnetic, and structural properties of Me3±-doped vanadium dioxide is investigated. The influence of acceptor-like defect
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ae86bac881c151a63390536e351431e
https://doi.org/10.1002/pssa.2210420133
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5
Investigation of the physical properties of V3O5 at phase transition with consideration of its range of homogeneity
Autor: H. Oppermann, W. Moldenhauer, H.-P. Brückner, F. A. Chudnovskii, W. Reichelt, E. I. Terukov, W. Brückner
Publikováno v: Physica Status Solidi (a). 37:541-546
Details are given of the change of the electrical transport properties as well as of the magnetic and thermodynamic properties at phase transition of monocrystalline V3O5. The phase transition above room temperature is investigated. V3O5 monocrystals
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b872b711dff25426f9b0626b1037d85
https://doi.org/10.1002/pssa.2210370224
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6
The influence of the substitution of 16O by 18O on the metal–insulator transition temperature of vanadium oxides and magnetite
Autor: W. Reichelt, M. Wolf, H. Oppermann, H.-P. Brückner
Publikováno v: Philosophical Magazine B. 43:373-376
Previous investigations of the influence of substituting 16O by 18O on the temperature of the metal–insulator transition in transition-metal oxides have been extended to V6O13, V4O7, and Fe3O4. By means of a new preparation method, which is briefly
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5026aca44b09db2217af2cd1cb1cb52a
https://doi.org/10.1080/13642818108221907
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