Room temperature ferromagnetism in Co defused CdTe nanocrystalline thin films

Journal Article · Thu Apr 24 00:00:00 EDT 2014 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4873034· OSTI ID:22269366

Rao, N. Madhusudhana; Kaleemulla, S.; Begam, M. Rigana ^[1]

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1. Materials Physics Division, School of Advanced Sciences, VIT University, Vellore - 632 014 (India)

Nanocrystalline Co defused CdTe thin films were prepared using electron beam evaporation technique by depositing CdTe/Co/CdTe stacked layers with different Co thickness onto glass substrate at 373 K followed by annealing at 573K for 2 hrs. Structural, morphological and magnetic properties of of all the Co defused CdTe thin films has been investigated. XRD pattern of all the films exhibited zinc blende structure with <111> preferential orientation without changing the crystal structure of the films. The grain size of the films increased from 31.5 nm to 48.1 nm with the increase of Co layer thickness from 25nm to 100nm. The morphological studies showed that uniform texture of the films and the presence of Co was confirmed by EDAX. Room temperature magnetization curves indicated an improved ferromagnetic behavior in the films with increase of the Co thickness.

• OSTI ID: 22269366
• Journal Information: AIP Conference Proceedings, Vol. 1591, Issue 1; Conference: 58. DAE solid state physics symposium 2013, Patiala, Punjab (India), 17-21 Dec 2013; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
77 NANOSCIENCE AND NANOTECHNOLOGY
ANNEALING
CADMIUM TELLURIDES
CRYSTAL STRUCTURE
CRYSTALS
DEPOSITS
ELECTRON BEAMS
EVAPORATION
FERROMAGNETISM
GLASS
GRAIN SIZE
LAYERS
MAGNETIC PROPERTIES
MAGNETIZATION
NANOSTRUCTURES
SUBSTRATES
TEXTURE
THICKNESS
THIN FILMS
X-RAY DIFFRACTION
ZINC SULFIDES