Control of magnetic properties of NiMn2O4 by a microwave magnetic field under air

研究成果: Article査読

7 被引用数 (Scopus)

抄録

NiMn2O4 prepared by conventional heating was irradiated with a microwave H-field using a single-mode cavity under air and magnetic properties of the microwave-irradiated material were investigated. X-ray diffraction and transmission electron microscopy demonstrated that the phase and microstructure are not affected by H-field irradiation. Measurements of the magnetization as a function of temperature revealed that the antiferromagnetic sublattice disappeared and electron spin resonance showed the existence of Mn2+, suggesting that Mn3+ is partially reduced. Moreover, the magnetization of NiMn2O4 was controlled from 35.3 to 18.2 emu/g and the coercivity from 140 to 750 Oe by changing the sample temperature during microwave irradiation. The reduction reaction of NiMn2O4 is controlled by microwave H-field irradiation, resulting in control over the magnetic properties.

本文言語English
論文番号169
ジャーナルMaterials
9
3
DOI
出版ステータスPublished - 2016 3 1

ASJC Scopus subject areas

  • 材料科学(全般)

フィンガープリント

「Control of magnetic properties of NiMn<sub>2</sub>O<sub>4</sub> by a microwave magnetic field under air」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル