Ca, Inc.

Tohoku University

Takahiko Horiai

Akira Yoshikawa

Yuji Ohashi

Kei Kamada

Yuui Yokota

Shunsuke Kurosawa

Yasuhiro Shoji

Rikito Murakami

A crystal material that is represented by a general formula (1): (REABM')(Si,M&#x2033;)O(1), the crystal material having a pyrochlore type structure, being a nonstoichiometric composition, and being a congruent melting composition, wherein in Formula (1), A contains at least one or more selected from Gd, Y, La, Sc, Yb, and Lu; B contains at least one or more selected from La, Gd, Yb, Lu, Y, and Sc; 0.1&#x2264;y&#x3c;0.4; RE contains at least one or more selected from Ce, Pr, Nd, Eu, Tb, and Yb; 0&#x3c;x&#x3c;0.1; M&#x2032; and M&#x2033; contain at least one or more selected from Li, Na, K, Mg, Ca, Sr, Ba, Ti, Zr, Hf, Fe, Ta, and W; 0&#x2264;s&#x3c;0.01 and 0&#x2264;t&#x3c;0.01; and 0&#x3c;|&#x3b1;|&#x3c;0.3 and 0&#x2264;|&#x3b2;|&#x3c;0.3 and 0&#x2264;|&#x3b3;|&#x3c;0.5.

Crystal material, method for manufacturing crystal, radiation detector, nondestructive inspection apparatus, and imaging apparatus

Growing community of inventors

Sendai, Japan

Takahiko Horiai