KA Yates, LF Cohen, C Watine, TN Tay… - Journal of Applied …, 2000 - pubs.aip.org
A series of polycrystalline La 0.7− x Y x Ca 0.3 MnO 3 samples were studied, where x= 0,
0.07, 0.1, 0.15, and 0.2. Measurement of the dc resistivity, microwave surface resistance, ac …