Citation: Xiang Ting DONG, Zong Rui LIU, Kui Sheng YANG, Jing He LIU, Guang Yan HONG, De Cai YU. PREPARATION AND PROPERTIES OF RARE EARTH HYDROXIDES AND OXIDES ULTRAFINE POWDERS IN ALCOHOL[J]. Chinese Chemical Letters, ;1995, 6(11): 1017-1020. shu

PREPARATION AND PROPERTIES OF RARE EARTH HYDROXIDES AND OXIDES ULTRAFINE POWDERS IN ALCOHOL

a Department of Materiais Engineering, Changchun institute of Optics and Fine Mechanics, Changchun 130022;
b Changchun Institute of Applied Chemistry, Academia Slnlca, Changchun 130022

Received Date: 6 February 1995

A series of rare earth hydroxides and oxides ultrafine powders have been prepared by precipitation method using alcohol as dispersive and protective reagent.It was first to find that the crystallite size of cubic rare earth oxides had lanthanide shrinking effect,but average crystal lattice distortion rate possessed lanthanide swelling effect;the change of diffraction intensity with atoiaic number presented an inverted W type,and double peaks structure was formed.
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