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Hydrostatic pressure study of the paramagnetic-ferromagnetic phase transition in (Ga,Mn)As

Författare:
Publiceringsår: 2010
Språk: Engelska
Sidor:
Publikation/Tidskrift/Serie: Physical Review B
Volym: 82
Nummer: 15
Dokumenttyp: Artikel
Förlag: American Physical Society

Sammanfattning

The effect of hydrostatic pressure on the paramagnetic-ferromagnetic phase transition has been studied in (Ga,Mn)As. The variation in the Curie temperature (T-C) with pressure was monitored by two transport methods: (1) measurement of zero-field resistivity versus temperature rho(T) and (2) dependence on temperature of the Hall voltage hysteresis loop. Two specimens of different resistivity characteristics were examined. The measured pressure-induced changes in T-C were relatively small (on the order of 1 K/GPa) for both samples, however they were opposite for the two.

Disputation

Nyckelord

  • Physics and Astronomy

Övriga

Published
Yes
  • ISSN: 1098-0121

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