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jpsj.94.074703.pdf
Polarization-dependent Bulk-sensitive Valence Band Photoemission Spectroscopy and Density Functional Theory Calculations: Part IV. 4f Rare-earths
論文
著者
Shigenori Ueda SAMURAI ORCID ; Ikutaro Hamada
キーワード
HAXPES, 4f rare-earths, valence band, core level, X-ray polarization
刊行年月日
2025-07-15
更新時刻
2025-06-27 08:54:47 +0900
BTO_HAXPES_published.pdf
Changes in the electronic structure of BaTiO3 due to ferroelectric phase transition investigated via polarization-dependent hard x-ray photoemission spectroscopy
論文
著者
Takeo Ohsawa SAMURAI ORCID ; Shigenori Ueda SAMURAI ORCID ; Takao Shimizu SAMURAI ORCID ; Naoki Ohashi SAMURAI ORCID
キーワード
Ferroelectricity, Barium titanate, Hard x-ray photoemission spectroscopy, Ferroelectric phase transition
刊行年月日
2025-04-25
更新時刻
2025-05-01 09:27:24 +0900
095304_1_5.0224068.pdf
Effects of nitrosyl fluoride based gas treatment on fluorination and redox reaction at GaN surface and Pt/GaN interface
論文
著者
Takahiro Nagata SAMURAI ORCID ; Asahiko Matsuda SAMURAI ORCID ; Takashi Teramoto ORCID ; Dominic Gerlach ORCID ; Peng Shen ORCID ; Shigenori Ueda SAMURAI ORCID ; Takako Kimura ORCID ; Christian Dussarrat ORCID ; Toyohiro Chikyow SAMURAI ORCID
キーワード
gallium nitride, GaN, nitrosyl fluoride, FNO, HAXPES, defect passivation, fluorination
刊行年月日
2025-03-07
更新時刻
2025-03-18 17:22:28 +0900
23-Strijevskaya-ACSApplMater-15-23299-23305.pdf
Nanophase-Separated Copper–Zirconia Composites for Bifunctional Electrochemical CO2 Conversion to Formic Acid
論文
著者
Anna Strijevskaya ; Akira Yamaguchi ; Shusaku Shoji ; Shigenori Ueda SAMURAI ORCID ; Ayako Hashimoto SAMURAI ORCID ; Yu Wen ; Aufandra Cakra Wardhana ; Ji-Eun Lee ; Min Liu ; Hideki Abe SAMURAI ORCID ; Masahiro Miyauchi
キーワード
nanophase separation, Cu51Zr14, Cu#ZrO2, electrochemical CO2 reduction, bifunctional catalysis, in situ Raman, formic acid
刊行年月日
2023-05-17
更新時刻
2024-12-18 16:30:58 +0900
Journal article
Direct Analysis of Stacked Au/Ti/In2O3/Al2O3/p+-Si Transport Mechanisms Using Operando Hard X-ray Photoelectron Spectroscopy
論文
著者
Ibrahima Gueye ORCID ; Shigenori Ueda SAMURAI ORCID ; Atsushi Ogura ; Takahiro Nagata SAMURAI ORCID
キーワード
Operando, HAXPES, Interfaces, In2O3, Al2O3, Band bending, Chemical-structures
刊行年月日
2024-05-28
更新時刻
2024-10-10 10:09:15 +0900
Bombsch_Adv_Funct_Mater2024.pdf
Chemical Interface Structures in CdS/RbInSe2/Cu(In,Ga)Se2 Thin‐Film Solar Cell Stacks
論文
著者
Jakob Bombsch ORCID ; Tim Kodalle ORCID ; Raul Garcia‐Diez ORCID ; Claudia Hartmann ; Roberto Félix ; Shigenori Ueda SAMURAI ORCID ; Regan G. Wilks ORCID ; Christian A. Kaufmann ORCID ; Marcus Bär ORCID
キーワード
Thin-film solar cell stack, interface, Chemical analysis, hard X-ray photoemission spectroscopy, HAXPES
刊行年月日
2024-05-06
更新時刻
2024-08-01 16:30:13 +0900
Ueda_APEX2024.pdf
Probing buried interface band dispersion of a MgO/Fe heterostructure with hard X-ray angle-resolved photoemission
論文
著者
Shigenori Ueda SAMURAI ORCID ; Masaki Mizuguchi ORCID
キーワード
hard X-ray angle-resolved photoemission spectroscopy, X-ray total reflection, MgO/Fe interface, buried interface band dispersion
刊行年月日
2024-07-01
更新時刻
2024-07-31 08:30:21 +0900
Valenta_Adv_Mater_Interf2024.pdf
The Energy Level Alignment at the Buffer/Cu(In,Ga)Se2 Thin‐Film Solar Cell Interface for CdS and GaOx
論文
著者
Donald Valenta ORCID ; Hasan Arif Yetkin ORCID ; Tim Kodalle ORCID ; Jakob Bombsch ORCID ; Raul Garcia‐Diez ORCID ; Claudia Hartmann ORCID ; Shigenori Ueda SAMURAI ORCID ; Roberto Félix ; Johannes Frisch ORCID ; Lucas Bodenstein‐Dresler ORCID ; Regan G. Wilks ORCID ; Christian A. Kaufmann ; Marcus Bär ORCID
キーワード
thin-film solar cell, Cu(In,Ga)Se2, CdS, GaOx, interface, energy level alignment, hard and soft X-ray photoelectron spectroscopy
刊行年月日
2024-03-08
更新時刻
2024-05-09 12:30:19 +0900
Shi_ACSnano2024.pdf
Approach to Low Contact Resistance Formation on Buried Interface in Oxide Thin-Film Transistors: Utilization of Palladium-Mediated Hydrogen Pathway
論文
著者
Yuhao Shi ORCID ; Masatake Tsuji ORCID ; Hanjun Cho ORCID ; Shigenori Ueda SAMURAI ORCID ; Junghwan Kim ORCID ; Hideo Hosono SAMURAI ORCID
キーワード
oxide semiconductors, IGZO, thin-film transistors, contact resistance, palladium, hydrogen
刊行年月日
2024-04-02
更新時刻
2024-04-08 16:30:22 +0900
Ueda_PRB2024.pdf
Near-interface electronic and magnetic states of insulator/Co2MnSi structures probed by hard x-ray photoemission combined with x-ray total reflection
論文
著者
Shigenori Ueda SAMURAI ORCID ; Yuichi Fujita ORCID ; Yuya Sakuraba SAMURAI ORCID
キーワード
insulator/Co2MnSi heterostructures, interface and bulk electronic and magnetic states, HAXPES, X-ray total reflection, SX-ARPES
刊行年月日
2024-02-07
更新時刻
2024-02-13 09:11:36 +0900