Local structure and magnetization of ferromagnetic Cu-doped ZnO films: no magnetism at the dopant?

0462347 - FZÚ 2017 RIV NL eng J - Journal Article
Vachhani, P.S. - Šipr, Ondřej - Bhatnagar, A.K. - Ramamoorthy, R.K. - Choudhary, R.J. - Phase, D.M. - Dalba, G. - Kuzmin, A. - Rocca, F.
Local structure and magnetization of ferromagnetic Cu-doped ZnO films: no magnetism at the dopant?
Journal of Alloys and Compounds. Roč. 678, Sep (2016), s. 304-311. ISSN 0925-8388. E-ISSN 1873-4669
R&D Projects: GA ČR(CZ) GAP108/11/0853
Institutional support: RVO:68378271
Keywords : EXAFS * NEXAFS * magnetization * crystal structure
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 3.133, year: 2016

Relationship between magnetism and structure of Cu-doped ZnO was investigated at macroscopic and microscopic levels. The host ZnO wurtzite lattice is not significantly altered by the addition of Cu. At the same time, most of the Cu atoms are not incorporated into the wurtzite lattice but rather have a CuO-like coordination. These results indicate that ferromagnetism of the investigated Zn1-xCuxO films is not directly linked to the doping atoms but rather is due to some other changes which have been introduced to the host ZnO by the dopants.
Permanent Link: http://hdl.handle.net/11104/0262299