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Title: Magnetic enhancement and coding in mechanosynthesized Ni{sub 0.3}Zn{sub 0.7}Fe{sub 2}O{sub 4} nanoparticles

The nanosized Ni{sub 0.3}Zn{sub 0.7}Fe{sub 2}O{sub 4} (∼ 15 nm) has been synthesized by high energy ball milling of the bulk powder sample. The sample has been characterized by powder x-ray diffraction, field emission and transmission electron microscopic and dc magnetic measurement techniques. The dc magnetic measurement on the sample indicates that the sample exhibit enhancement of magnetization compared to its counterparts synthesized by chemical methods. Moreover, the system stores the memory of either decrease or increase of magnetic field enabling a magnetic coding of “0” and “1” which can be profitably used in magnetic storage and sensing devices.
Authors:
 [1] ;  [2] ; ;  [1] ; ; ;  [3]
  1. Department of Physics, Jadavpur University, Kolkata-700032 (India)
  2. (India)
  3. Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata-700064 (India)
Publication Date:
OSTI Identifier:
22490576
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1665; Journal Issue: 1; Conference: 59. DAE solid state physics symposium 2014, Tamilnadu (India), 16-20 Dec 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; COMPARATIVE EVALUATIONS; ELECTRONS; FERRITES; FIELD EMISSION; MAGNETIC FIELDS; MAGNETIZATION; MILLING; NANOPARTICLES; NANOSTRUCTURES; NICKEL COMPOUNDS; POWDERS; TRANSMISSION ELECTRON MICROSCOPY; X-RAY DIFFRACTION; ZINC COMPOUNDS