期刊
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS
卷 39, 期 11B, 页码 L1118-L1120出版社
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/JJAP.39.L1118
关键词
material design; ab initio calculation; molecular-beam epitaxy; zinc-blende CrAs; half-metallic ferromagnet
A new class of half-metallic ferromagnets has been found in the zinc-blende crystal structure. The previously nonexistent zinc-blende CrAs thin films have been synthesized on GaAs (001) substrates by molecular-beam epitaxy, and show a ferromagnetic behavior at room temperature. The zinc-blende CrAs has been designed by ab initio calculations based on the local spin-density approximation, and the calculation predicts the highly spin-polarized electronic band structure.
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