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Local structure investigation on Mn and Co doped TiO2 thin films by x-ray absorption spectroscopy
A K YADAV, S M HAQUE, R DE, M A AHMED, V SRIHARI, M GUPTA, D M PHASE, S N JHA, D BHATTACHARYYA,
Published in American Institute of Physics Inc.
2018
Volume: 1942
   
Abstract
Mn and Co doped TiO2 thin films are prepared by rf magnetron sputtering technique. GIXRD measurements shows anatase phase for pure TiO2 and Mn doped TiO2, however mixed anatase and rutile phase for Co doped TiO2. XANES and EXAFS measurements at dopant and host site confirm the substitution of host site by dopant ions. O K edge measurements and EXAFS results at the dopant site confirms the presence of oxygen vacancies. Ferromagnetism obtained in the doped TiO2 thin films is attributed to the oxygen vacancy mediated interaction between the TM ions. © 2018 Author(s).
About the journal
JournalData powered by TypesetAIP Conference Proceedings
PublisherData powered by TypesetAmerican Institute of Physics Inc.
ISSN0094-243X