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Magnetic properties and electronic structure of transition metal adsorbed polar-ZnO surfaces: Ab initio calculations
- Authors
- Kim, Yoon Suk; Lee, Sung Ho; Im, Jong In; Chung, Yong Chae
- Issue Date
- Sep-2007
- Publisher
- IOP Publishing Ltd
- Keywords
- density functional theory; ZnO(0001); diluted magnetic semiconductor; surface formation energy; density of states; half-metallic property
- Citation
- Japanese Journal of Applied Physics, v.46, no.9B, pp 6312 - 6314
- Pages
- 3
- Indexed
- SCIE
SCOPUS
- Journal Title
- Japanese Journal of Applied Physics
- Volume
- 46
- Number
- 9B
- Start Page
- 6312
- End Page
- 6314
- ISSN
- 0021-4922
1347-4065
- Abstract
- The magnetic and electronic properties of the polar-ZnO surface system with adsorbed manganese and cobalt were investigated using the ab initio projector-augmented-wave method. It is found that the Mn and Co adsorbed polar-ZnO surfaces show stable ferromagnetism. The O-terminated ZnO:Mn surface system is predicted to have a half-metallic property with a wide spin band gap and stable ferromagnetism of 4.98 mu(B) magnetic moment, which is a desirable property for application to spintronic devices.
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Related Researcher
- Chung, Yong Chae
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)