Magnetic phases in an amorphous Ge63Fe37 thin film

S. H. Song, M. H. Jung, Sang Ho Lim

Research output: Contribution to journalArticle

Abstract

Magnetic phases of an amorphous Ge63Fe37 amorphous thin film, fabricated by thermal co-evaporation onto oxidized Si at room temperature, are investigated. Various magnetic measurements show ferromagnetic ordering even at room temperature and a spin glass phase below 20 K. A scaling analysis of the spin glass phase indicates the existence of long-range exchange interactions, providing evidence of a large number of carriers in an amorphous diluted magnetic semiconductor.

Original languageEnglish
JournalJournal of Magnetism and Magnetic Materials
Volume310
Issue number2 SUPPL. PART 3
DOIs
Publication statusPublished - 2007 Mar 1

Fingerprint

Spin glass
Amorphous films
spin glass
Thin films
Exchange interactions
Magnetic variables measurement
room temperature
thin films
magnetic measurement
Evaporation
evaporation
scaling
Temperature
interactions
Diluted magnetic semiconductors
Hot Temperature

Keywords

  • Amorphous Ge-Fe alloy
  • Ferromagnetic ordering
  • Magnetic thin film
  • Spin glass

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Magnetic phases in an amorphous Ge63Fe37 thin film. / Song, S. H.; Jung, M. H.; Lim, Sang Ho.

In: Journal of Magnetism and Magnetic Materials, Vol. 310, No. 2 SUPPL. PART 3, 01.03.2007.

Research output: Contribution to journalArticle

Song, S. H. ; Jung, M. H. ; Lim, Sang Ho. / Magnetic phases in an amorphous Ge63Fe37 thin film. In: Journal of Magnetism and Magnetic Materials. 2007 ; Vol. 310, No. 2 SUPPL. PART 3.
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