INFORMATION RECORDING AND REPRODUCING DEVICE

WIPO Patent Application WO/2010/026634

A1

This invention provides an information recording and reproducing device characterized in that it comprises a recording layer including a first layer containing a first compound, the first compound containing a first cation element, which is a transition matal element and becomes a first cation having a d orbit incompletely filled with electrons, and a second cation element, which becomes a second cation having a lower valence than the first cation, and a drive part for causing a phase change in the recording layer by at least any one of the application of a voltage to the recording layer and the flow of a current into the recording layer to record information on the recording layer, and the coordination number of the first cation element located at a second coordination position of the second cation element is not less than 80% and less than 100% of the coordination number on the assumption that the first compound is a perfect crystal.

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TSUKAMOTO TAKAYUKI (JP)
NAKAI TSUKASA (JP)
KAMATA CHIKAYOSHI (JP)
HAYASHI MARIKO (JP)
AIGA FUMIHIKO (JP)
YAMAGUCHI TAKESHI (JP)

PCT/JP2008/065940

March 11, 2010

September 04, 2008

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TOSHIBA KK (JP)
TSUKAMOTO TAKAYUKI (JP)
NAKAI TSUKASA (JP)
KAMATA CHIKAYOSHI (JP)
HAYASHI MARIKO (JP)
AIGA FUMIHIKO (JP)
YAMAGUCHI TAKESHI (JP)

H01L27/10; G11B9/04

WO2007026509A1

2007-03-08

JP2008084512A	2008-04-10
JP2007533118A	2007-11-15
JP2007053125A	2007-03-01
JP2005200271A	2005-07-28

HYUGAJI, MASAHIKO (JP)
Masahiko Hiugaji (JP)

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