CPC C01G 41/006 (2013.01) [A01N 25/12 (2013.01); A01N 59/16 (2013.01); C01G 39/006 (2013.01); C04B 35/495 (2013.01); C01P 2002/50 (2013.01); C04B 2235/3227 (2013.01)] | 12 Claims |
1. A complex oxide ceramic comprising a rare earth element and at least one element selected from among molybdenum, tungsten, and vanadium, wherein a surface of the complex oxide ceramic has a water contact angle of 88° to 119°, and wherein, at the surface of the complex oxide ceramic, a ratio of carbon to the sum of the rare earth element and the at least one element selected from among molybdenum, tungsten, and vanadium is 1.7 atm % to 2.1 atm %.
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