Kumar, Shalendra Gautam, S. Kim, G. W. Ahmed, Faheem Anwar, M. S. Chae, K. H. Choi, H. K. Chung, H. Koo, B. H. 2024-01-20T16:03:59Z 2024-01-20T16:03:59Z 2021-09-04 2011-10-01 0169-4332 https://pubs.kist.re.kr/handle/201004/129908 We report structural, magnetic and electronic structure study of Mn doped TiO2 thin films grown using pulsed laser deposition method. The films were characterized using X-ray diffraction (XRD), dc magnetization, X-ray magnetic circular dichroism (XMCD) and near edge X-ray absorption fine structure (NEXAFS) spectroscopy measurements. XRD results indicate that films exhibit single phase nature with rutile structure and exclude the secondary phase related to Mn metal cluster or any oxide phase of Mn. Magnetization studies reveal that both the films (3% and 5% Mn doped TiO2) exhibit room temperature ferromagnetism and saturation magnetization increases with increase in concentration of Mn doping. The spectral features of XMCD at Mn L-3,L-2 edge show that Mn2+ ions contribute to the ferromagnetism. NEXAFS spectra measured at O K edge show a strong hybridization between Mn, Ti 3d and O 2p orbitals. NEXAFS spectra measured at Mn and Ti L-3,L-2 edge show that Mn exist in +2 valence state, whereas, Ti is in +4 state in Mn doped TiO2 films. (C) 2011 Elsevier B.V. All rights reserved. English ELSEVIER ROOM-TEMPERATURE FERROMAGNETISM Structural, magnetic and electronic structure studies of Mn doped TiO2 thin films Article 10.1016/j.apsusc.2011.07.050 1 APPLIED SURFACE SCIENCE, v.257, no.24, pp.10557 - 10561 APPLIED SURFACE SCIENCE 257 24 10557 10561 scie scopus 000295540800040 2-s2.0-80052947614 Chemistry, Physical Materials Science, Coatings & Films Physics, Applied Physics, Condensed Matter Chemistry Materials Science Physics Article ROOM-TEMPERATURE FERROMAGNETISM TiO2 XRD Magnetization NEXAFS DMS XMCD