00864nam a2200229 k 4500001001300000005001500013008004100028041001300069049003200082052001700114056001500131082001600146245016400162260003600326300003200362502008000394590003000474653004400504700004100548900002500589963002000614KDM20025629920200814132107021216s2002    ulka       AK 000   kor  0 akorbeng0 lEM2705402lEM2705403c2fDP01a530.495b2-5  a530.495240 a620.19522100aPb(Fe½Nb½)O₃의 입계 비저항 기구 및 PTCR 특성 연구=x(A)study on grain boundary resistivity and PTCR properties of Pb(Fe½Nb½)O₃/d이상법  a서울:b서울대학교,c2002  axii, 127장:b삽도;c26cm1 a학위논문(박사) --b서울대학교 대학원:c재료공학부,d2002  a열람용은 복사본임  a입계a비저항aPTCRaPENa소결체1 a이상법,d1972-0KAC2019E78584aut10aLee, Sangbop,d1972-  a재료공학부