Invention Grant
US07892458B2 Metallic electroconductive 12CaO 7Al2O3 compound and process for producing the same
有权
金属导电12CaO 7Al2O3化合物及其制备方法
- Patent Title: Metallic electroconductive 12CaO 7Al2O3 compound and process for producing the same
- Patent Title (中): 金属导电12CaO 7Al2O3化合物及其制备方法
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Application No.: US12094936Application Date: 2006-11-17
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Publication No.: US07892458B2Publication Date: 2011-02-22
- Inventor: Hideo Hosono , Sungwng Kim , Katsurou Hayashi , Masashi Miyakawa , Satoru Matsuishi , Toshio Kamiya , Masahiro Hirano , Yoshitake Toda
- Applicant: Hideo Hosono , Sungwng Kim , Katsurou Hayashi , Masashi Miyakawa , Satoru Matsuishi , Toshio Kamiya , Masahiro Hirano , Yoshitake Toda
- Applicant Address: JP Kawaguchi-shi
- Assignee: Japan Science and Technology Agency
- Current Assignee: Japan Science and Technology Agency
- Current Assignee Address: JP Kawaguchi-shi
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2005-339538 20051124
- International Application: PCT/JP2006/322991 WO 20061117
- International Announcement: WO2007/060890 WO 20070531
- Main IPC: H01B1/08
- IPC: H01B1/08
Abstract:
In an electride C12A7 provided by replacing free oxygen in 12CaO.7Al2O3 with electrons, a material having metallic electroconductivity and an electric conductivity of more than 5×102 S/cm at room temperature could not have been produced without difficulties. An electride 12CaO.7Al2O3, which has metallic electroconductivity and has an electric conductivity of more than 5×102 S/cm at room temperature, can be produced by heat-treating titanium metal vapor and 12CaO.7Al2O3 single crystal, sinter, or thin film at a temperature above 600° C. and below 1,450° C. for less than 240 hours. Further, thermoelectric field electron release can also be realized using an electron release chip fabricated from the electride.
Public/Granted literature
- US20090224214A1 METALLIC ELECTROCONDUCTIVE 12CaO 7Al2O3 COMPOUND AND PROCESS FOR PRODUCING THE SAME Public/Granted day:2009-09-10
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