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    • 5. 发明申请
    • Electroconductive 12ca0.7al203 and compound of same type, and method for preparation thereof
    • 导电性12ca0.7al203和同型化合物及其制备方法
    • US20060151311A1
    • 2006-07-13
    • US10561968
    • 2004-02-12
    • Hideo HosonoMasahiro HiranoKatsuro HayashiIsao Tanaka
    • Hideo HosonoMasahiro HiranoKatsuro HayashiIsao Tanaka
    • C01B13/00
    • H01B1/08C01F7/164C01F7/166C01P2006/40C04B35/44C04B35/653C04B2235/3208C04B2235/3213C04B2235/604C04B2235/6587C04B2235/664C04B2235/787C04B2235/94
    • In a solid solution system of Al2O3 and CAO or SrO, it has been difficult to obtain a material having a high electrical conductivity (>10−4 S·cm−) at room temperature. A compound is provided in which electrons at a high concentration are introduced into a 12CaO.7Al2O3 compound, a 12SrO.7Al2O3 compound, or a mixed crystal compound containing 12CaO.7Al2O3 and 12SrO.7Al2O3. The compound formed by substituting all the free oxygen ions with electrons is regarded as an electride compound in which [Ca24Al28O64]4+(4e−) or [Sr24Al28O64]4+(4e−) serves as a cation and electrons serve as anions. When a single crystal or a hydrostatic pressure press molded material of a fine powder thereof is held at approximately 700° C. in an alkaline metal vapor or an alkaline earth metal vapor, melt of a hydrostatic pressure press molded material of a powder is held at approximately 1,600° C. in a carbon crucible, followed by slow cooling for solidification, or a thin film of the compound held at approximately 600° C. is implanted with rare gas ions, a great number of the free oxygen ions can be substituted with electrons.
    • 在Al 2 N 3 O 3和CAO或SrO的固溶体系中,难以获得具有高导电性的材料(> 10 -4 S.cm )在室温下。 提供了一种化合物,其中将高浓度的电子引入12CaO7Al 2 O 3 O 3化合物,12SrO·7H 2 O 2 或者含有12CaO.7Al 2 O 3 3和12SrO 7 Al 2 O 3的混合晶体化合物, SUB> 3 。 通过用电子代替全部游离氧离子而形成的化合物被认为是电化学化合物,其中[Ca 2 H 12 O 12 O 64] (4e-sup) - 或[Sr 2 O 2] 28 O 64] SUP + 4 +(4e - - )用作阳离子,电子用作阴离子。 当在碱金属蒸气或碱土金属蒸气中将其细粉末的单晶或静水压成型材料保持在约700℃时,将粉末的流体静压加压成型材料的熔体保持在 在碳坩埚中约1600℃,然后缓慢冷却固化,或者在约600℃保持的化合物薄膜注入稀有气体离子,大量的游离氧离子可被 电子。