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Titolo: Magnetoresistance of normal conductor/insulator/perfect conductor composites with a columnar microstructure
Autore: Bergman, DJ; Strelniker, YM;
- Indirizzi:
- Tel Aviv Univ, Raymond & Beverly Sackler Fac Exact Sci, Sch Phys & Astron,IL-69978 Tel Aviv, Israel Tel Aviv Univ Tel Aviv Israel IL-69978 Astron,IL-69978 Tel Aviv, Israel Ohio State Univ, Dept Phys, Columbus, OH 43210 USA Ohio State Univ Columbus OH USA 43210 , Dept Phys, Columbus, OH 43210 USA
- Titolo Testata:
- PHYSICAL REVIEW B
fascicolo: 21,
volume: 62,
anno: 2000,
pagine: 14313 - 14325
- SICI:
- 0163-1829(200012)62:21<14313:MONCCC>2.0.ZU;2-W
- Fonte:
- ISI
- Lingua:
- ENG
- Soggetto:
- STRONG-FIELD MAGNETORESISTANCE; INPLANE MAGNETIC-FIELD; PERIODIC MICROSTRUCTURE; MAGNETOTRANSPORT; FILMS;
- Tipo documento:
- Article
- Natura:
- Periodico
- Settore Disciplinare:
- Physical, Chemical & Earth Sciences
- --discip_EC--
- Citazioni:
- 15
- Recensione:
- Indirizzi per estratti:
- Indirizzo: Bergman, DJ Tel Aviv Univ, Raymond & Beverly Sackler Fac Exact Sci, Sch Phys & Astron,IL-69978 Tel Aviv, Israel Tel Aviv Univ Tel Aviv Israel IL-69978 9978 Tel Aviv, Israel
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- Citazione:
- D.J. Bergman e Y.M. Strelniker, "Magnetoresistance of normal conductor/insulator/perfect conductor composites with a columnar microstructure", PHYS REV B, 62(21), 2000, pp. 14313-14325
Abstract
The in-plane magnetoresistance of columnar composites is studied for a class of three-constituent mixtures of normal conductor, perfect insulator, and perfect conductor, where the magnetic field B is applied in the plane perpendicular to the columnar axis. Exact relations are found between the bulkeffective resistivity tensor <(<rho>)over cap>(e) of such a medium and that of a medium where the perfect insulator and perfect conductor have exchanged their spatial locations. Exact expressions are found in some cases for the leading order large B behavior of <(<rho>)over cap>(e), for periodic microstructures and certain directions and ranges of directions of B. Numerical calculations are used to compute <(<rho>)over cap>(e) in those microstructures for all directions of B, and for various magnitudes of \B\. The different results are compared and their significance is discussed.
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Documento generato il 20/06/13 alle ore 11:58:15