Ferromagnetism of Nano-KNbO&lt;sub&gt;3&lt;/sub&gt;

Ohta, D.; Uehara, M.; Kimishima, Y.

doi:10.14723/tmrsj.38.521

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2014

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“…It has been reported that the nano-BaTiO 3 system with vacancies showed a multi-ferroic property [14][15][16][17][18], where the ferromagnetism might be induced from vacancies at the nano-grain surface. The room temperature ferromagnetism was also observed for the ferroelectric LiNbO 3 and KNbO 3 [19,20].…”

Section: Introductionmentioning

confidence: 76%

Ferromagnetism in Mechanically Milled KNO<sub>3</sub>

Ota

Ōno

Uehara

et al. 2014

Trans. Mat. Res. Soc. Japan

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KNO 3 nano-particles with the diameter of about 28 nm were prepared by mechanical milling using planetary ball mill from the commercial KNO 3 powder. Rotation speeds of ball mill were 0 to 500 rpm, where the milling time was kept at 15 minutes. Magnetization was measured by SQUID magnetometer. The milled sample at 500 rpm showed same order of saturation magnetization as that of BaTiO 3 with vacancies.

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