Intrinsic One-Dimensional Moiré Superlattice in Large-Angle Twisted Bilayer WTe2. Xiaohan Yang, Yijin Zhang, Limi Chen, Kohei Aso, Wataru Yamamori, Rai Moriya, Kenji Watanabe, Takashi Taniguchi, Takao Sasagawa, Naoto Nakatsuji, Mikito Koshino, Yukiko Yamada-Takamura, Yoshifumi Oshima, Tomoki Machida
ACS nano, 19, 13, 13007-13015, 2025
Dimensionality-Induced Transition from Degenerate to Nondegenerate States in Nb-Doped WSe2. Kaito Kanahashi, Itsuki Tanaka, Tomonori Nishimura, Kohei Aso, Anh Khoa Augustin Lu, Satoru Morito, Limi Chen, Takafumi Kakeya, Satoshi Watanabe, Yoshifumi Oshima, Yukiko Yamada-Takamura, Keiji Ueno, Amin Azizi, Kosuke Nagashio
ACS nano, 19, 10, 10244-10254, 2025
Chemically Tailored Semiconductor Moiré Superlattices of Janus Heterobilayers Wenjin Zhang, Zheng Liu, Hiroshi Nakajo, Soma Aoki, Haonan Wang, Yanlin Wang, Yanlin Gao, Mina Maruyama, Takuto Kawakami, Yasuyuki Makino, Masahiko Kaneda, Tongmin Chen, Kohei Aso, Tomoya Ogawa, Takahiko Endo, Yusuke Nakanishi, Kenji Watanabe, Takashi Taniguchi, Yoshifumi Oshima, Yukiko Yamada‐Takamura, Mikito Koshino, Susumu Okada, Kazunari Matsuda, Toshiaki Kato, Yasumitsu Miyata
Small Structures, 5, 5, -, 2024
Nanoscrolls of Janus Monolayer Transition Metal Dichalcogenides. Masahiko Kaneda, Wenjin Zhang, Zheng Liu, Yanlin Gao, Mina Maruyama, Yusuke Nakanishi, Hiroshi Nakajo, Soma Aoki, Kota Honda, Tomoya Ogawa, Kazuki Hashimoto, Takahiko Endo, Kohei Aso, Tongmin Chen, Yoshifumi Oshima, Yukiko Yamada-Takamura, Yasufumi Takahashi, Susumu Okada, Toshiaki Kato, Yasumitsu Miyata
ACS nano, 18, 4, 2772-2781, 2024
Symmetry Engineering in Twisted Bilayer WTe2. Yijin Zhang, Keisuke Kamiya, Takato Yamamoto, Masato Sakano, Xiaohan Yang, Satoru Masubuchi, Shota Okazaki, Keisuke Shinokita, Tongmin Chen, Kohei Aso, Yukiko Yamada-Takamura, Yoshifumi Oshima, Kenji Watanabe, Takashi Taniguchi, Kazunari Matsuda, Takao Sasagawa, Kyoko Ishizaka, Tomoki Machida
Nano letters, 23, 20, 9280-9286, 2023
Atomically thin metallic Si and Ge allotropes with high Fermi velocities Chin-En Hsu, Yung-Ting Lee, Chieh-Chun Wang, Chang-Yu Lin, Yukiko Yamada-Takamura, Taisuke Ozaki, Chi-Cheng Lee
PHYSICAL REVIEW B, 107, 11, -, 2023
Tailoring the magnetic properties of Co20Fe60B20/SmCo5 bilayers: Effects of argon ion implantation Kali Prasanna Mondal, Sambhunath Bera, Ajay Gupta, Raj Kumar, Gangadhar Das, Gouranga Manna, Nobuaki Ito, Yukiko Yamada-Takamura
MATERIALS LETTERS, 316, -, 2022
Growth behavior, physical structure, and magnetic properties of iron deposited on Tris(8-hydroxy quinoline)-aluminum Kali Prasanna Mondal, Sambhunath Bera, Ajay Gupta, Dileep Kumar, V. Raghavendra Reddy, Gangadhar Das, Arnab Singh, Yukiko Yamada- Tamakura
Applied Surface Science, 562, 150169-150169, 2021
Effect of growth rate on quality of Alq(3) films and Co diffusion Kali Prasanna Mondal, Sambhunath Bera, Ajay Gupta, Dileep Kumar, Anil Gome, V. Raghavendra Reddy, Nobuaki Ito, Yukiko Yamada-Takamura, Pallavi Pandit, Stephan Roth
JOURNAL OF PHYSICS D-APPLIED PHYSICS, 54, 15, -, 2021
Band engineering in an epitaxial two-dimensional honeycomb Si6-xGex alloy A. Fleurence, Y. Awatani, C. Huet, F. B. Wiggers, S. M. Wallace, T. Yonezawa, Y. Yamada-Takamura
PHYSICAL REVIEW MATERIALS, 5, 1, -, 2021
Emergence of nearly flat bands through a kagome lattice embedded in an epitaxial two-dimensional Ge layer with a bitriangular structure A. Fleurence, C-C Lee, R. Friedlein, Y. Fukaya, S. Yoshimoto, K. Mukai, H. Yamane, N. Kosugi, J. Yoshinobu, T. Ozaki, Y. Yamada-Takamura
PHYSICAL REVIEW B, 102, 20, -, 2020
Time-resolved X-ray photoelectron diffraction using an angle-resolved time-of-flight electron analyzer Artoni Kevin R. Ang, Yuichiro Fukatsu, Koji Kimura, Yuta Yamamoto, Takahiro Yonezawa, Hirokazu Nitta, Antoine Fleurence, Susumu Yamamoto, Lwao Matsuda, Yukiko Yamada-Takamura, Kouichi Hayashi
JAPANESE JOURNAL OF APPLIED PHYSICS, 59, 10, -, 2020
Highly Efficient, Red Delayed Fluorescent Emitters with Exothermic Reverse Intersystem Crossing via Hot Excited Triplet States Ruifang Wang, Taiping Hu, Yanwei Liu, Xiaofang Wei, Jianjun Liu, Zhiyi Li, Xiaoxiao Hu, Honglei Gao, Guanhao Liu, Yukiko Yamada-Takamura, Chun-Sing Lee, Pengfei Wang, Yuanping Yi, Ying Wang
JOURNAL OF PHYSICAL CHEMISTRY C, 124, 38, 20816-20826, 2020
Formation of BN-covered silicene on ZrB2/Si(111) by adsorption of NO and thermal processes Jun Yoshinobu, Kozo Mukai, Hiroaki Ueda, Shinya Yoshimoto, Sumera Shimizu, Takanori Koitaya, Hiroyuki Noritake, Chi-Cheng Lee, Taisuke Ozaki, Antoine Fleurence, Rainer Friedlein, Yukiko Yamada-Takamura
JOURNAL OF CHEMICAL PHYSICS, 153, 6, 064702-064702, 2020
Angular-Fused Dithianaphthylquinone Derivative: Selective Synthesis, Thermally Activated Delayed Fluorescence Property, and Application in Organic Light-Emitting Diode Jianjun Liu, Zhiyi Li, Taiping Hu, Xiaofang Wei, Ruifang Wang, Xiaoxiao Hu, Honglei Gao, Guanhao Liu, Yuanping Yi, Yukiko Yamada-Takamura, Chun-Sing Lee, Pengfei Wang, Ying Wang
ORGANIC LETTERS, 21, 21, 8832-8836, 2019
Formation of hBN monolayers through nitridation of epitaxial silicene on diboride thin films K. Aoyagi, F. B. Wiggers, R. Friedlein, F. Gimbert, A. Fleurence, T. Ozaki, Y. Yamada-Takamura
JOURNAL OF APPLIED PHYSICS, 126, 13, 135305-, 2019
Van der Waals integration of silicene and hexagonal boron nitride F. B. Wiggers, A. Fleurence, K. Aoyagi, T. Yonezawa, Y. Yamada-Takamura, H. Feng, J. Zhuang, Y. Du, A. Y. Kovalgin, M. P. de Jong
2D MATERIALS, 6, 3, -, 2019
Intermolecular Interaction-Induced Thermally Activated Delayed Fluorescence Based on a Thiochromone Derivative Jianjun Liu, Taiping Hu, Zhiyi Li, Xiaofang Wei, Xiaoxiao Hu, Honglei Gao, Guanhao Liu, Yuanping Yi, Yukiko Yamada-Takamura, Chun-Sing Lee, Pengfei Wang, Ying Wang
JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 10, 8, 1888-1893, 2019
Experimental Evidence for "Hot Exciton" Thermally Activated Delayed Fluorescence Emitters Jianjun Liu, Zhiyi Li, Taiping Hu, Xiaofang Wei, Ruifang Wang, Xiaoxiao Hu, Yanwei Liu, Yuanping Yi, Yukiko Yamada-Takamura, Ying Wang, Pengfei Wang
ADVANCED OPTICAL MATERIALS, 7, 4, -, 2019
Highly Efficient, Solution-Processed Organic Light-Emitting Diodes Based on Thermally Activated Delayed-Fluorescence Emitter with a Mixed Polymer Interlayer Yanwei Liu, Xiaofang Wei, Zhiyi Li, Jianjun Liu, Ruifang Wang, Xiaoxiao Hu, Pengfei Wang, Yukiko Yamada-Takamura, Ting Qi, Ying Wang
ACS APPLIED ENERGY MATERIALS, 1, 2, 543-551, 2018
Triplet decay-induced negative temperature dependence of the transient photoluminescence decay of thermally activated delayed fluorescence emitter Xiaofang Wei, Yongzhen Chen, Ruihong Duan, Jianjun Liu, Ruifang Wang, Yanwei Liu, Zhiyi Li, Yuanping Yi, Yukiko Yamada-Takamura, Pengfei Wang, Ying Wang
JOURNAL OF MATERIALS CHEMISTRY C, 5, 46, 12077-12084, 2017
Guided Molecular Assembly on a Locally Reactive 2D Ben Warner, Tobias G. Gill, Vasile Caciuc, Nicolae Atodiresei, Antoine Fleurence, Yasuo Yoshida, Yukio Hasegawa, Stefan Bluegel, Yukiko Yamada-Takamura, Cyrus F. Hirjibehedin
ADVANCED MATERIALS, 29, 43, -, 2017
n-Doping-induced efficient electron-injection for high efficiency inverted organic light-emitting diodes based on thermally activated delayed fluorescence emitter Yongzhen Chen, Xiaofang Wei, Zhiyi Li, Yanwei Liu, Jianjun Liu, Ruifang Wang, Pengfei Wang, Yukiko Yamada-Takamura, Ying Wang
JOURNAL OF MATERIALS CHEMISTRY C, 5, 33, 8400-8407, 2017
Metallic atomically-thin layered silicon epitaxially grown on silicene/ZrB2 Tobias G. Gill, Antoine Fleurence, Ben Warner, Henning Pruser, Rainer Friedlein, Jerzy T. Sadowski, Cyrus F. Hirjibehedin, Yukiko Yamada-Takamura
2D MATERIALS, 4, 2, -, 2017
Single-particle excitation of core states in epitaxial silicene Chi-Cheng Lee, Jun Yoshinobu, Kozo Mukai, Shinya Yoshimoto, Hiroaki Ueda, Rainer Friedlein, Antoine Fleurence, Yukiko Yamada-Takamura, Taisuke Ozaki
PHYSICAL REVIEW B, 95, 11, -, 2017
A nitride-based epitaxial surface layer formed by ammonia treatment of silicene-terminated ZrB2 F. B. Wiggers, H. Van Bui, R. Friedlein, Y. Yamada-Takamura, J. Schmitz, A. Y. Kovalgin, M. P. de Jong
JOURNAL OF CHEMICAL PHYSICS, 144, 13, 134703-134703, 2016
Single-domain epitaxial silicene on diboride thin films A. Fleurence, T. G. Gill, R. Friedlein, J. T. Sadowski, K. Aoyagi, M. Copel, R. M. Tromp, C. F. Hirjibehedin, Y. Yamada-Takamura
APPLIED PHYSICS LETTERS, 108, 15, -, 2016
16pCA-6 Phonon dispersion and structure of the silicone/ZrB_2/Si(111) surface Mukai K., Lee Chi-Cheng, Fleurence Antonie, Yamada-Takamura Y., Ozaki T., Friedlein Rainer, Yoshimoto S., Yoshinobu J.
Meeting Abstracts of the Physical Society of Japan, 70, 2241-2241, 2015
Core level excitations-A fingerprint of structural and electronic properties of epitaxial silicene R. Friedlein, A. Fleurence, K. Aoyagi, M. P. de Jong, H. Van Bui, F. B. Wiggers, S. Yoshimoto, T. Koitaya, S. Shimizu, H. Noritake, K. Mukai, J. Yoshinobu, Y. Yamada-Takamura
JOURNAL OF CHEMICAL PHYSICS, 140, 18, 184704-184704, 2014
Molecular order, charge injection efficiency and the role of intramolecular polar bonds at organic/organic heterointerfaces Y. Wang, T. Matsushima, H. Murata, A. Fleurence, Y. Yamada-Takamura, R. Friedlein
ORGANIC ELECTRONICS, 13, 10, 1853-1858, 2012
Silicon on insulator for symmetry-converted growth Y. Fujikawa, Y. Yamada-Takamura, G. Yoshikawa, T. Ono, M. Esashi, P. P. Zhang, M. G. Lagally, T. Sakurai
APPLIED PHYSICS LETTERS, 90, 24, 243107-, 2007
Effect of nitridation on the growth of GaN on ZrB2 (0001)/Si(111) by molecular-beam epitaxy Zhi-Tao Wang, Y. Yamada-Takamura, Y. Fujikawa, T. Sakurai, Q. K. Xue, J. Tolle, J. Kouvetakis, I. S. T. Tsong
JOURNAL OF APPLIED PHYSICS, 100, 3, -, 2006
Surface and interface studies of GaN epitaxy on Si(111) via ZrB2 buffer layers Y Yamada-Takamura, ZT Wang, Y Fujikawa, T Sakurai, QK Xue, J Tolle, PL Liu, AVG Chizmeshya, J Kouvetakis, IST Tsong
PHYSICAL REVIEW LETTERS, 95, 26, 1-266105, 2005
Hydrogen-induced instability of the Ge(105) surface Y Fujikawa, T Nagao, Y Yamada-Takamura, T Sakurai, T Hashimoto, Y Morikawa, K Terakura, MG Lagally
PHYSICAL REVIEW LETTERS, 94, 8, 86105-086105, 2005
Development of a metal-tip cantilever for noncontact atomic force microscopy K Akiyama, T Eguchi, T An, Y Fujikawa, Y Yamada-Takamura, T Sakurai, Y Hasegawa
REVIEW OF SCIENTIFIC INSTRUMENTS, 76, 3, 1-33705, 2005
Step-by-step cooling of a two-dimensional Na gas on the Si(111)-(7 x 7) surface KH Wu, AI Oreshkin, Y Takamura, Y Fujikawa, T Nagao, T Briere, Kumar, V, Y Kawazoe, RF Dou, JF Jia, QK Xue, T Sakurai
PHYSICAL REVIEW B, 70, 19, -, 2004
Crystal structure characterisation of filtered arc deposited alumina coatings: temperature and bias voltage R Brill, F Koch, J Mazurelle, D Levchuk, M Balden, Y Yamada-Takamura, H Maier, H Bolt
SURFACE & COATINGS TECHNOLOGY, 174, 606-610, 2003