Ferrimagnetism in strained Fe2 As thin films on Si(001)

Younghun Hwang*, Jeongyong Choi, Sunglae Cho, John B. Ketterson, C. C. Tsai

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

We present the structural and magnetic properties of Fe2 As thin films grown on Si(100) by molecular beam epitaxy. From the reflection high-energy electron diffraction and x-ray diffraction patterns, the orientation of Fe2 As film on Si(100) was found to be a c -axis in the tetragonal crystal structure. The tetragonal Fe2 As thin film exhibited ferrimagnetic (FIM) ordering at room temperature. The magnetic moment of Fe2 As was 0.1 μB / unit cell determined from the saturated magnetic moment. The observed FIM in Fe2 As films was attributed to the strain in the film.

Original languageEnglish (US)
Article number07A946
JournalJournal of Applied Physics
Volume105
Issue number7
DOIs
StatePublished - 2009

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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