METHOD AND APPARATUS FOR MEASURING ELECTRON INJECTION ENERGY BARRIER AT INTERFACE BETWEEN METAL AND ORGANIC MATERIAL

WIPO Patent Application WO/2001/094927

A1

A method of measuring the electron injection energy barrier at the interface between a metal and an organic material is characterized in that ballistic electrons (5) from a chip (1) used to supply tunnel electrons are injected into the interface (3) through a metal electrode (2) of an ultra thin film, the energy of the ballistic electrons is continuously increased by a tunneling voltage (Vt), and the energy of the ballistic electrons at the threshold value of when the current flowing through an ammeter (8) starts to be detected. Since ballistic electrons are injected into the interface between a metal and an organic material of an actual device, the electron injection energy barrier actually built can be determined. A desired device such as an organic field emission device as designed by use of the accurate energy barrier value determined using the measuring method and apparatus can be produced.

HIRAMOTO MASAHIRO (JP)
YOKOYAMA MASAAKI (JP)

PCT/JP2000/007698

December 13, 2001

November 01, 2000

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JAPAN SCIENCE & TECH CORP (JP)
HIRAMOTO MASAHIRO (JP)
YOKOYAMA MASAAKI (JP)

G01R31/26; G01Q60/10; G01Q60/12; H01L21/66; H01L33/00; H01L33/04; H01L33/36; H01L51/50; H05B33/00; (IPC1-7): G01N27/00; G01N13/12; H01L21/66

JPH11183488A	1999-07-09
JPH11233262A	1999-08-27

Kagaku, Vol. 54, No. 5, (Japan), Kabushiki Kaisha Doujin, 01 May, 1999 (01.05.99), pages 66-67.

Hirayama, Kazuyuki (Shinjukugyoen Building 3-10 Shinjuku 2-chome Shinjuku-ku, Tokyo, JP)

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