Superparamagnetic Nanocomposite of Silver/Iron-Oxide by Inert Gas Condensation

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概要

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• A superparamagnetic nanocomposite of silver and iron oxide was synthesized by gas condensation. The procedure involved (1) coevaporation of silver and iron, (2) in situ oxidation of iron particles, (3) in situ compaction, and (4) post-annealing in an inert or an oxidizing atmosphere. The magnetization plots against H/T fell on a single curve from room temperature to 160 K, thereby providing evidence of superparamagnetism. Annealing treatment modifies the effective magnetic moment size and saturation value of magnetization. The present processis a potential synthesis route for magnetic nanocomposites useful for applications such as magnetic refrigeration, recording and permanent magnets.

• 社団法人応用物理学会の論文
• 1994-09-15

著者

• YAMAMOTO Takao

  Research Institute for Advanced Science and Technology, University of Osaka Prefecture

• Bandaru Prabhakar

  Department Of Materials Science And Engineering Rutgers University

• SHULL Robert

  Magnetic Materials Group, National Institute of Standard and Technology

• COSANDEY Frederic

  Department of Materials Science and Engineering, Rutgers University

• HAHN Horst

  Materialwissenschaft, Technische Hochschule Darmstadt

• Hahn Horst

  Materialwissenschaft Technische Hochschule Darmstadt

• Shull Robert

  Magnetic Materials Group National Institute Of Standard And Technology

• Cosandey Frederic

  Department Of Materials Science And Engineering Rutgers University

• Yamamoto Takao

  Research Institute For Advanced Science And Technology University Of Osaka Prefecture:rutgers Univ.

関連論文

• Microscopic IR-Reflection Study of Oxygen Doping Effect Induced by Laser Irradiation on YBa_2Cu_3O_y, Surface
• Direct Observation of ^O Tracer Diffusion in a YBa_2Cu_3O_y Single Crystal by Secondary Ion Mass Spectrometry
• Superparamagnetic Nanocomposite of Silver/Iron-Oxide by Inert Gas Condensation

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