Takashi Sekiguchi - Publications, H-index & Citations

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Takashi Sekiguchi

University of Tsukuba

68H-index

989Paper Count

2.0WCitation Count

Published Papers 190

Publication Date

Detection of negative charge state luminescence from nitrogen vacancy centers under electron beam excitation: effects of extrinsic and intrinsic factors

Diamond and Related Materials

IF5.1

2025-11-12

PREAI

Jun Chen; Chikara Shinei; Jun-ichi Inoue; Hiroshi Abe; Takeshi Ohshima; Masashi Miyakawa; Takashi Taniguchi; Takashi Sekiguchi; Tokuyuki Teraji

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Characterization of ultra-variable-pressure detector for secondary electrons in low-vacuum SEM

MICROSCOPY

IF1.9

2025-09-01

OAAI

Yao, Yuanzhao; Sonoda, Ryosuke; Sohda, Yasunari; Sekiguchi, Takashi

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A statistical analysis of over three thousand meteors and their spectra

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2024-03-15

OAAI

Betzler, Alberto S.; Sekiguchi, Takashi

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Perovskite Bulk Crystals Grown through Antisolvent Droplet-Assisted Crystallization and Associated Wavelength-Dependent Photoluminescence Dynamics

JOURNAL OF PHYSICAL CHEMISTRY C

IF3.2

2022-09-08

PREAI

He, Jia; Chen, Jun; Zheng, Cheng; Cao, Zetan; Liu, Zhiwen; Jiao, Chuangwei; Chen, Bin; Sekiguchi, Takashi; Zhong, Dongping

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Composition dependent properties of p- and n-type polycrystalline group-IV alloy thin films

JOURNAL OF ALLOYS AND COMPOUNDS

IF6.3

2021-12-01

OAAI

Mizoguchi, Takuto; Imajo, Toshifumi; Chen, Jun; Sekiguchi, Takashi; Suemasu, Takashi; Toko, Kaoru

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Stable single atomic silver wires assembling into a circuitry-connectable nanoarray

NATURE COMMUNICATIONS

IF15.7

2021-02-19

OAAI

Chen, Yaxin; Tang, Daiming; Huang, Zhiwei; Liu, Xi; Chen, Jun; Sekiguchi, Takashi; Qu, Weiye; Chen, Junxiao; Xu, Dongrun; Bando, Yoshio; Hu, Xiaolei; Wang, Xiaoping; Golberg, Dmitri; Tang, Xingfu

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Damage-less observation of polymers by electron dose control in scanning electron microscope

MICROSCOPY

IF1.9

2021-01-27

OAAI

Hashimoto, Yoichiro; Shigeto, Kunji; Komatsuzaki, Ryo; Saito, Tsutomu; Sekiguchi, Takashi

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Mg diffusion and activation along threading dislocations in GaN

APPLIED PHYSICS LETTERS

IF3.6

2020-06-16

OAAI

Yi, Wei; Kumar, Ashutosh; Uzuhashi, Jun; Kimura, Takashi; Tanaka, Ryo; Takashima, Shinya; Edo, Masaharu; Yao, Yongzhao; Ishikawa, Yukari; Chen, Jun; Ohkubo, Tadakatsu; Sekiguchi, Takashi; Hono, Kazuhiro

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Improving the Open-Circuit Voltage of Sn-Based Perovskite Solar Cells by Band Alignment at the Electron Transport Layer/Perovskite Layer Interface

ACS APPLIED MATERIALS & INTERFACES

IF8.2

2020-05-19

PREAI

Yokoyama, Tomoyasu; Nishitani, Yu; Miyamoto, Yumi; Kusumoto, Shohei; Uchida, Ryusuke; Matsui, Taisuke; Kawano, Kenji; Sekiguchi, Takashi; Kaneko, Yukihiro

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Inverse Temperature Crystallization of Formamidinium Tin Iodide: Indirect Transition State and Restriction of Cation Motion

CRYSTAL GROWTH & DESIGN

IF3.4

2019-12-26

PREAI

Sekimoto, Takeyuki; Suzuka, Michio; Yokoyama, Tomoyasu; Miyamoto, Yoshiko; Uchida, Ryusuke; Hiraoka, Maki; Kawano, Kenji; Sekiguchi, Takashi; Kaneko, Yukihiro

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Oxygen vacancy migration along dislocations in SrTiO3 studied by cathodoluminescence

JOURNAL OF PHYSICS D-APPLIED PHYSICS

IF3.2

2019-09-06

PREAI

Wang, Peng; Yi, Wei; Chen, Jun; Ito, Shun; Cui, Can; Sekiguchi, Takashi

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Influence of a Hole-Transport Layer on Light-Induced Degradation of Mixed Organic-Inorganic Halide Perovskite Solar Cells

ACS APPLIED ENERGY MATERIALS

IF5.5

2019-06-25

PREAI

Sekimoto, Takeyuki; Matsui, Taisuke; Nishihara, Takashi; Uchida, Ryusuke; Sekiguchi, Takashi; Negami, Takayuki

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Compositional Engineering for Thermally Stable, Highly Efficient Perovskite Solar Cells Exceeding 20% Power Conversion Efficiency with 85 °C/85% 1000 h Stability

ADVANCED MATERIALS

IF26.8

2019-01-11

194

PREAI

Matsui, Taisuke; Yamamoto, Teruaki; Nishihara, Takashi; Morisawa, Ryosuke; Yokoyama, Tomoyasu; Sekiguchi, Takashi; Negami, Takayuki

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Cathodoluminescence study of h- and c-GaN single crystals grown by a Na or K flux

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS

IF6.9

2018-08-06

OAAI

Sekiguchi, T.; Yamane, H.; Aoki, M.; Araki, T.; Shimada, M.

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Reaction of europium-doped α-SiAlON phosphors with sodium borosilicate glass matrices

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY

IF6.2

2018-02-01

PREAI

Segawa, Hiroyo; Cho, Yujin; Sekiguchi, Takashi; Hirosaki, Naoto; Deguchi, Kenzo; Ohki, Shinobu; Shimizu, Tadashi

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Enhanced cathodoluminescence of green β-sialon: Eu2+ phosphor by In2O3 coating

JOURNAL OF ALLOYS AND COMPOUNDS

IF6.3

2017-12-01

OAAI

Zhao, Yujie; Xie, Rong-Jun; Dierre, Benjamin; Takeda, Takashi; Sekiguchi, Takashi; Hirosaki, Naoto; Wang, Le

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Transition of Emission Colours as a Consequence of Heat-Treatment of Carbon Coated Ce3+-Doped YAG Phosphors

MATERIALS

IF3.2

2017-10-16

OAAI

Yin, Liang-Jun; Dierre, Benjamin; Sekiguchi, Takashi; van Ommen, J. Ruud; Hintzen, Hubertus T. (Bert); Cho, Yujin

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Initial leakage current paths in the vertical-type GaN-on-GaN Schottky barrier diodes

APPLIED PHYSICS LETTERS

IF3.6

2017-09-19

PREAI

Sang, Liwen; Ren, Bing; Sumiya, Masatomo; Liao, Meiyong; Koide, Yasuo; Tanaka, Atsushi; Cho, Yujin; Harada, Yoshitomo; Nabatame, Toshihide; Sekiguchi, Takashi; Usami, Shigeyoshi; Honda, Yoshio; Amano, Hiroshi

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Deep-level defects related to the emissive pits in thick InGaN films on GaN template and bulk substrates

APL MATERIALS

IF4.5

2017-01-27

OAAI

Sumiya, Masatomo; Toyomitsu, Naoki; Nakano, Yoshitaka; Wang, Jianyu; Harada, Yoshitomo; Sang, Liwen; Sekiguchi, Takashi; Yamaguchi, Tomohiro; Honda, Tohru

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PEER-NGL project: Open source global database and model development for the next-generation of liquefaction assessment procedures

SOIL DYNAMICS AND EARTHQUAKE ENGINEERING

IF4.6

2016-12-01

OAAI

Stewart, J. P.; Kramer, S. L.; Kwak, D. Y.; Greenfield, M. W.; Kayen, R. E.; Tokimatsu, K.; Bray, J. D.; Beyzaei, C. Z.; Cubrinovski, M.; Sekiguchi, T.; Nakai, S.; Bozorgnia, Y.

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Research Directions