公开(公告)号：US10011770B2

公开(公告)日：2018-07-03

申请号：US15566199

申请日：2016-05-27

申请人： TOHOKU UNIVERSITY ,  C&A CORPORATION

发明人： Shunsuke Kurosawa ,  Akira Yoshikawa ,  Kei Kamada ,  Yuui Yokota ,  Yuji Ohashi ,  Takahiko Horiai ,  Yasuhiro Shoji ,  Rikito Murakami

IPC分类号： C30B15/00 ,  C09K11/77 ,  H01L27/146 ,  C01F17/00 ,  G01T1/20 ,  C30B29/22 ,  G01T1/202

CPC分类号： C09K11/7774 ,  C01F17/0043 ,  C09K11/00 ,  C30B15/00 ,  C30B29/22 ,  G01T1/161 ,  G01T1/20 ,  G01T1/2006 ,  G01T1/202 ,  G01T1/2023 ,  H01L27/14663 ,  H01L31/0232

摘要： A crystal material that is represented by a general formula (1): (RExA1-x-y-sByM′s)2+α(Si1-t,M″t)2+βO7+γ (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≤y