Invention Grant
- Patent Title: Nonvolatile memory element having a thin platinum containing electrode
- Patent Title (中): 具有薄铂电极的非易失性存储元件
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Application No.: US13132058Application Date: 2009-12-01
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Publication No.: US08445885B2Publication Date: 2013-05-21
- Inventor: Yoshihiko Kanzawa , Satoru Mitani , Zhiqiang Wei , Takeshi Takagi , Koji Katayama
- Applicant: Yoshihiko Kanzawa , Satoru Mitani , Zhiqiang Wei , Takeshi Takagi , Koji Katayama
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP2008-310201 20081204
- International Application: PCT/JP2009/006515 WO 20091201
- International Announcement: WO2010/064410 WO 20100610
- Main IPC: H01L29/02
- IPC: H01L29/02

Abstract:
A nonvolatile memory element includes first and second electrodes, and a resistance variable layer disposed therebetween. At least one of the first and second electrodes includes a platinum-containing layer. The resistance variable layer includes a first oxygen-deficient transition metal oxide layer which is not physically in contact with the platinum-containing layer and a second oxygen-deficient transition metal oxide layer which is disposed between the first oxygen-deficient transition metal oxide layer and the platinum-containing layer and is physically in contact with the platinum-containing layer. When oxygen-deficient transition metal oxides included in the first and second oxygen-deficient transition metal oxide layers are expressed as MOx, and MOy, respectively, x
Public/Granted literature
- US20110233510A1 NONVOLATILE MEMORY ELEMENT Public/Granted day:2011-09-29
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