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na** $plus$ and li** $plus$ nasicon superionic conductors thick films

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 277
for microionic applications, superionic conductors have been elaborated in the form of thick films, using silk-screen printable powders. na//3zr//2si//2po//1//2, na//3//. //1zr//1// //5//5si//2//. //3p//0//. //7o//1//1 and li//0//. //8zr//1// //8ta//0//. //2(po//4)//3 compositions are synthesized by a sol-gel process involving hydrolysis-polycondensation reactions of metal-organic alcoholic solutions. a thermal treatment (600 $degree$ c-800 $degree$ c) allows to obtain very fine particles ( $less than$ 1 $mu$ m) with pure nasicon phase. inks are prepared with these powders, an organic binder, volatile fluidifying agents and mineralizers. the layers, about 50 $mu$ m in thickness, are achieved by successive deposits and sinterings (950 $degree$ c $minus$ 1050 $degree$ c) onto alumina substrates. film conductivity is determined by the impedance method. 38 refs
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