Evolution of room temperature ferromagnetism with increasing 1D growth in Ni-doped ZnO nanostructures》.pdfVIP

Journal of Alloys and Compounds 647 (2015) 558 e565 Contents lists available at ScienceDirect Journal of Alloys and Compounds journal homepage: http://www.elsevier .com/locate/jalcom Evolution of room temperature ferromagnetism with increasing 1D growth in Ni-doped ZnO nanostructures a b, 1 b a, * Bappaditya Pal , Soumen Dhara , P.K. Giri , D. Sarkar a Department of Physics, Gauhati University, Guwahati 781014, India b Department of Physics, Indian Institute of Technology Guwahati, Guwahati 781039, India a r t i c l e i n f o a b s t r a c t Article history: Zn Ni O (x ¼ 0, 0.03, and 0.5) 1D nanostructures showing room temperature ferromagnetism (RT FM) 1x x Received 9 April 2015 with high moment have been synthesized by a solvothermal route. X-ray diffraction, transmission Received in revised form electron microscopy (TEM), energy dispersive X-ray spectrum (EDS) and X-ray photoelectron spectros- 27 April 2015 copy (XPS) analysis reveal the growth of single phase wurtzite structure Zn Ni O NRs of diameter 60 1x x Accepted 2 May 2015 e70 nm and length of 0.4e0.6 mm with the successful incorporation of Ni ions inside ZnO matrix. High Available online 10