Low temperature spark plasma sintering of YIG powders. L. Fernández-García, M. Suárez, JL Menéndez. 2011

Journal of Alloys and Compounds,Volume 502, Issue 1, Pages 132-135, 2010. http://www.sciencedirect.com/science/article/pii/S0925838810009333

A transition from a low to a high spin state in the magnetization saturation between 1000 and 1100 °C calcination temperature is observed in YIG powders prepared by oxides mixture. Spark plasma sintering of these powders between 900 and 950 °C leads to dense samples with minimal formation of YFeO3, opening the way to co-sintering of YIG with metals or metallic alloys. The optical properties depend on the sintering stage: low (high) density samples show poor (bulk) optical absorption.

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