Mitsumasa IWAMOTO


Probing Internal Electric Field in Organic Photoconductors by Using Electric-Field-Induced Optical Second-Harmonic Generation
Dai TAGUCHI Takaaki MANAKA Mitsumasa IWAMOTO Kazuko SAKUMA Kaname WATARIGUCHI Masataka KAWAHARA 
Publication:   
Publication Date: 2019/02/01
Vol. E102-C  No. 2  pp. 113-118
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Organic Molecular Electronics and Biotechnology)
Category: 
Keyword: 
electric-field-induced optical second-harmonic generationorganic photoconductorinternal electric fieldphoto-conducting effectphotovoltaic effect
 Summary | Full Text:PDF(1011.2KB)

Mobility Control of TIPS-Pentacene Thin Films Prepared by Blade-Coating Method
Ryo YAMAMICHI Takaaki MANAKA Dai TAGUCHI Mitsumasa IWAMOTO 
Publication:   
Publication Date: 2017/02/01
Vol. E100-C  No. 2  pp. 130-132
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
carrier transportorganic single crystalEFISHGTIPS-pentacene
 Summary | Full Text:PDF(241.3KB)

Analysis of Carrier Behaviors in Double-layer Organic Devices by Displacement Current Measurement and Electric-field-induced Optical Second-harmonic Generation Measurement
Taishi NOMA Dai TAGUCHI Takaaki MANAKA Mitsumasa IWAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/02/01
Vol. E98-C  No. 2  pp. 86-90
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Organic Molecular Electronics)
Category: 
Keyword: 
EFISHGDCMinterfacial chargeselectric field
 Summary | Full Text:PDF(945.3KB)

Investigation of Interfacial Charging Process of Pentacene/C60/BCP Triple-Layer Organic Solar Cells
Xiangyu CHEN Dai TAGUCHI Takaaki MANAKA Mitsumasa IWAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/03/01
Vol. E96-C  No. 3  pp. 358-361
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Molecular and Organic Devices)
Category: 
Keyword: 
EFISHGOSCsinterfacial chargingblocking layer
 Summary | Full Text:PDF(1021.3KB)

Probing of Electric Field Distribution in ITO/PI/P3HT/Au Using Electric Field Induced Second Harmonic Generation
Ryo MIYAZAWA Dai TAGUCHI Takaaki MANAKA Mitsumasa IWAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/02/01
Vol. E94-C  No. 2  pp. 185-186
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
electron trapSHGMISP3HTC-V
 Summary | Full Text:PDF(129.3KB)

Probing of Maxwell-Wagner Type Interfacial Charging Process in Double-Layer Devices by Time-Resolved Second Harmonic Generation
Le ZHANG Dai TAGUCHI Jun LI Takaaki MANAKA Mitsumasa IWAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/02/01
Vol. E94-C  No. 2  pp. 141-145
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Molecular and Organic Devices)
Category: 
Keyword: 
organic double-layer deviceTR-SHGinterfacial chargingMW effect
 Summary | Full Text:PDF(580.4KB)

Potential Drop at Electrode Contact of Organic Field-Effect Transistors Evaluated by Optical Second Harmonic Generation
Takaaki MANAKA Motoharu NAKAO Eunju LIM Mitsumasa IWAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/12/01
Vol. E91-C  No. 12  pp. 1856-1858
Type of Manuscript:  Special Section PAPER (Special Section on The Forefront of 21st Century Organic Molecular Electronics)
Category: Transistors
Keyword: 
optical second harmonic generationorganic field-effect transistors
 Summary | Full Text:PDF(410.5KB)

Analysis of Carrier Injection into Pentacene FET Using Maxwell-Wagner Model
Ryosuke TAMURA Eunju LIM Takaaki MANAKA Mitsumasa IWAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/12/01
Vol. E89-C  No. 12  pp. 1760-1764
Type of Manuscript:  Special Section PAPER (Special Section on Towards the Realization of Organic Molecular Electronics)
Category: Organic Molecular Devices
Keyword: 
organic FETpentacenecarrier injection and Maxwell-Wagner effect
 Summary | Full Text:PDF(353KB)

In-situ Observation of 4-n-pentyl-4-cyanobiphenyl Evaporated Film Growth by Polarized Absorption Measurement
Dai TAGUCHI Takaaki MANAKA Mitsumasa IWAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/12/01
Vol. E87-C  No. 12  pp. 2129-2131
Type of Manuscript:  Special Section LETTER (Special Section on Recent Progress in Organic Molecular Electronics)
Category: Characterization of Organic Devices
Keyword: 
orientational orderinterface regionorganic film5CB
 Summary | Full Text:PDF(153.2KB)

Investigation of Single Monolayer Formation of the Evaporated Liquid Crystalline Molecules by the Surface Potential Measurement
Takaaki MANAKA Hajime HIGA Dai NAKAMURA Dai TAGUCHI Mitsumasa IWAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/02/01
Vol. E87-C  No. 2  pp. 183-184
Type of Manuscript:  Special Section LETTER (Special Section on Recent Progress of Organic Molecular Electronics)
Category: Nano-interface Controlled Electronic Devices
Keyword: 
surface potentialliquid crystalmonolayer
 Summary | Full Text:PDF(111.3KB)

FOREWORD
Mitsumasa IWAMOTO Mitsuyoshi ONODA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/02/01
Vol. E87-C  No. 2  pp. 127-127
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(61.9KB)

Investigation of Surface Potential Occurring at Metal/Phthalocyanine Interfaces by Electro-Absorption Technique
Takaaki MANAKA Xiao Man CHENG Cheng Quan LI Mitsumasa IWAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/06/01
Vol. E85-C  No. 6  pp. 1328-1329
Type of Manuscript:  Special Section LETTER (Special Issue on Recent Progress in Organic Molecular Electronics)
Category: Fabrication and Characterization of Thin Films
Keyword: 
surface potentialphthalocyanineelectro-absorption
 Summary | Full Text:PDF(114.4KB)

Effect of Interfacial Space Charges and Coupling Electrodes on Organic Single Electron Tunneling Device
Yutaka NOGUCHI Mitsumasa IWAMOTO Tohru KUBOTA Shinro MASHIKO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/06/01
Vol. E85-C  No. 6  pp. 1247-1252
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Organic Molecular Electronics)
Category: Electronic Devices
Keyword: 
Coulomb blockadeorganic double barrier tunneling junctioninterfacial space charge
 Summary | Full Text:PDF(636.1KB)

Current-Voltage Characteristics with a Step Structure of Metal/Polyimide/Rhodamine-Dendrimer/Polyimide/ Metal Junction
Yutaka NOGUCHI Yutaka MAJIMA Mitsumasa IWAMOTO Tohru KUBOTA Shiyoshi YOKOYAMA Tatsuo NAKAHAMA Shinro MASHIKO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/07/25
Vol. E83-C  No. 7  pp. 1076-1080
Type of Manuscript:  Special Section PAPER (Special Issue on Organic Molecular Electronics for the 21st Century)
Category: Ultra Thin Film
Keyword: 
polyimidedendorimersingle electron tunnelingSET devices
 Summary | Full Text:PDF(846.4KB)

Organic Monolayer Film Dielectrics for Electronics
Mitsumasa IWAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/07/25
Vol. E83-C  No. 7  pp. 1062-1068
Type of Manuscript:  INVITED PAPER (Special Issue on Organic Molecular Electronics for the 21st Century)
Category: Ultra Thin Film
Keyword: 
monolayerMaxwell displacement currenttunneling currentelectrostatic phenomena
 Summary | Full Text:PDF(314.5KB)

Investigation of Dynamic Orientation Process of Nematic Liquid Crystals Triggered by Conformational Change of Surface Monolayer
Yutaka MAJIMA Keisuke KATO Mitsumasa IWAMOTO Kunihiro ICHIMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/07/25
Vol. E81-C  No. 7  pp. 1070-1076
Type of Manuscript:  Special Section PAPER (Special Issue on Organic Materials for Optics and Electronics)
Category: 
Keyword: 
liquid crystalLangmuir-Blodgett filmcommand surfacetransmittancecapacitance
 Summary | Full Text:PDF(633.6KB)

Recent Progress in Organic Film Devices for Optics and Electronics
Keiichi KANETO Kazuhiro KUDO Yutaka OHMORI Mitsuyoshi ONODA Mitsumasa IWAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/07/25
Vol. E81-C  No. 7  pp. 1009-1019
Type of Manuscript:  REVIEW PAPER
Category: 
Keyword: 
organic filmsorganic light emitting diodestunneling junctionsLangmuir-Blodgett filmshigh density recordingtunneling spectroscopyactuatorsself-assembled multilayer
 Summary | Full Text:PDF(1MB)

FOREWORD
Mitsumasa IWAMOTO Yutaka OHMORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/07/25
Vol. E81-C  No. 7  pp. 1007-1008
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(154.5KB)

Nonlinear Characteristics of Insulating LB Films with Nanometer Thickness Sandwiched between Au-Au Contact
Isao MINOWA Mitsumasa IWAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/03/25
Vol. E81-C  No. 3  pp. 330-336
Type of Manuscript:  Special Section PAPER (Special Issue on Electromechanical Devices and their Surface Science)
Category: 
Keyword: 
contactpolyimideLB filmAu-PI-Aunon-linearitydual frequency methodsurface potentialcontact potential difference
 Summary | Full Text:PDF(503.5KB)

Electron Transport Mechanism through Porphyrin Polyimide Langmuir-Blodgett Films
Mitsumasa IWAMOTO Tohru KUBOTA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/05/25
Vol. E77-C  No. 5  pp. 662-665
Type of Manuscript:  Special Section PAPER (Special Section on Organic Functional Devices)
Category: 
Keyword: 
Langmuir-Blodgett filmelectron transportelectron transitiontunnel junctiond2V/dI2-V claracteristic
 Summary | Full Text:PDF(286.8KB)