Masato Sakano (sakano[at]ap.t.u-tokyo.ac.jp : Please replace '[at]' by '@')
Affiliation Research associate, Ishizaka group, Quantum-Phase Electronics Center, School of Engineering, The University of Tokyo
Experience
 '16/04-'17/03 Postdoctral researcher, The institute of Splid State Physics, The university of Tokyo
'13/04-'16/03 Research Fellowship for Young Scientists (DC1), Japan Society for the Promotion of Science
'12/02-'16/03 ALPS course student, Advanced Leading Graduate Course for Photon Science (ALPS)
Education
'13/04-'16/03 Department of Applied Physics, The University of Tokyo,
Associate Professor Ishizaka's group / Doctors in Engineering
 '11/02-'15/01 Department of Physics, University of California, Berkeley
Materials Sciences Division, Lawrence Berkeley National Laboratory
Professor Lanzara's group/ Visiting student researcher
'11/04-'13/03 Department of Applied Physics, The University of Tokyo,
Associate Professor Ishizaka's group / Masters in Engineering
'07/04-'11/03 Department of Applied Physics, The University of Tokyo / Bachelors in Engineering
'04/04-'07/03 Kaisei High School
Theses
Bachelor "Spin-split band structure in layered polar semiconductor BiTeI"
Master “Spin-splitting in bulk and near surface of layered polar Bi-based semiconductors ”
 Doctor "Band structures and spin polarizations in strongly spin-orbit coupled materials"
Awards Shoji Tanaka Prize (Masters thesis award), Dept. of Applied Physics, The Univ. of Tokyo (2013)
  Nature Nanotechnology Poster Prize, Workshop on "Topological magnets" 2015, RIKEN, Japan
Contact sakano[at]ap.t.u-tokyo.ac.jp
Original papers (23 papers)
“Dry pick-and-flip assembly of van der Waals heterostructures for microfocus angle-resolved photoemission spectroscopy”
Satoru Masubuchi*, Masato. Sakano*, Yuma. Tanaka*, Yusai Wakafuji, Takato Yamamoto Shota. Okazaki, K. Watanabe, T. Taniguchi, Jincai Li, Hirotaka Ejima, T. Sasagawa, T. Machida, K. Ishizaka (* equally contributed)
Scientific Reports 12, 10936 (2022).

“Odd-even layer-number effect of valence-band spin splitting in WTe2
M. Sakano*, Y. Tanaka*, S. Masubuchi*, S. Okazaki, T. Nomoto, A. Oshima, K. Watanabe, T. Taniguchi, R. Arita, T. Sasagawa, T. Machida, K. Ishizaka (* equally contributed)
Phys. Rev. Research 4, 023247 (2022).

“Enhanced Thermopower in the Antiferromagnetic Phase of Mn2−xCrxSb”
Kurea Nakagawa, Yu Miyazaki, Natsuki Mitsuishi, Masato Sakano, Tomoyuki Yokouchi, Kyoko Ishizaka, Yuki Shiomi
J. Phys. Soc. Jpn. 89, 124601 (2020).

“Competing spin modulations in the magnetically frustrated semimetal EuCuSb”
Hidefumi Takahashi, Kai Aono, Yusuke Nambu, Ryoji Kiyanagi, Takuya Nomoto, Masato Sakano, Kyoko Ishizaka, Ryotaro Arita, and Shintaro Ishiwata
Phys. Rev. B 102, 174425 (2020).

Nat. Commun. 11, 2888 (2020).“Devil's staircase transition of the electronic structures in CeSb”
Kenta Kuroda, Y. Arai, N. Rezaei, S. Kunisada, S. Sakuragi, M. Alaei, Y. Kinoshita, C. Bareille, R. Noguchi, M. Nakayama, S. Akebi, M. Sakano, K. Kawaguchi, M. Arita, S. Ideta, K. Tanaka, H. Kitazawa, K. Okazaki, M. Tokunaga, Y. Haga, S. Shin, H. S. Suzuki, R. Arita, Takeshi Kondo
Nat. Commun. 11, 2888 (2020).

“Switching of band inversion and topological surface states by charge density wave”
N. Mitsuishi, Y. Sugita, M. S. Bahramy, M. Kamitani, T. Sonobe, M. Sakano, T. Shimojima, H. Takahashi, H. Sakai, K. Horiba, H. Kumigashira, K. Taguchi, K. Miyamoto, T. Okuda, S. Ishiwata, Y. Motome & K. Ishizaka
Nat. Commun. 11, 2466 (2020).

“Hybridization between the ligand p band and Fe−3d orbitals in the p-type ferromagnetic semiconductor (Ga,Fe)Sb”
Takahito Takeda, Masahiro Suzuki, Le Duc Anh, Nguyen Thanh Tu, Thorsten Schmitt, Satoshi Yoshida, Masato Sakano, Kyoko Ishizaka, Yukiharu Takeda, Shin-ichi Fijimori, Munetoshi Seki, Hitoshi Tabata, Atsushi Fujimori, Vladimir N. Strocov, Masaaki Tanaka, and Masaki Kobayashi
Phys. Rev. B 101, 155142 (2020).

“Radial spin texture in elemental tellurium with chiral crystal structure”
M. Sakano, M. Hirayama, T. Takahashi, S. Akebi, M. Nakayama, K. Kuroda, K. Taguchi, T. Yoshikawa, K. Miyamoto, T. Okuda, K. Ono, H. Kumigashira, T. Ideue, Y. Iwasa, N. Mitsuishi, K. Ishizaka, S. Shin, T. Miyake, S. Murakami, T. Sasagawa, and Takeshi Kondo
Phys. Rev. Lett. 124, 136404 (2020). (Featured in Physics, Editors' suggestion)

“Evolution of Electronic States and Emergence of Superconductivity in the Polar Semiconductor GeTe by Doping Valence-Skipping Indium”
M. Kriener, M. Sakano, M. Kamitani, M. S. Bahramy, R. Yukawa, K. Horiba, H. Kumigashira, K. Ishizaka, Y. Tokura, and Y. Taguchi
Phys. Rev. Lett. 124, 047002 (2020).

"Gigahertz-repetition-rate, narrowband-deep-ultraviolet light source for minimization of acquisition time in high-resolution angle-resolved photoemission spectroscopy "
K. Yoshioka, J. Omachi, M. Sakano, T. Shimojima, K. Ishizaka, and M. Kuwata-Gonokami
Rev. of Sci. Instrum. 90, 123109 (2019).

"Intrinsic 2D Ferromagnetism in V5Se8 Epitaxial Thin Films"
Masaki Nakano*, Yue Wang*, Satoshi Yoshida*, Hideki Matsuoka, Yuki Majima, Keisuke Ikeda, Yasuyuki Hirata, Yukiharu Takeda, Hiroki Wadati, Yoshimitsu Kohama, Yuta Ohigashi, Masato Sakano, Kyoko Ishizaka, and Yoshihiro Iwasa (*equal contribution)
Nano Lett. 19, 8806-8810 (2019).


“Strongly anisotropic high-temperature Fermi surface of the Kondo semimetal CeNiSn revealed by angle-resolved photoemission spectroscopy”
Cédric Bareille, T.-S. Nam, Toshiro Takabatake, Kenta Kuroda, Takeshi Yajima, Mitsuhiro Nakayama, So Kunisada, Shuntaro Akebi, Masato Sakano, Shunsuke Sakuragi, Ryo Noguchi, Byung Il Min, Shik Shin, and Takeshi Kondo
Phys. Rev. B 100, 045133 (2019).

“A weak topological insulator state in quasi-one-dimensional bismuth iodide.”
R. Noguchi, T. Takahashi, K. Kuroda, M. Ochi, T. Shirasawa, M. Sakano, C. Bareille, M. Nakayama, M. D. Watson, K. Yaji, A. Harasawa, H. Iwasawa, P. Dudin, T. K. Kim, M. Hoesch, V. Kandyba, A. Giampietri, A. Barinov, S. Shin, R. Arita, T. Sasagawa, Takeshi Kondo.
Nature 566, 518 (2019).


"Observation of spin-polarized bands and domain-dependent Fermi arcs in polar Weyl semimetal MoTe2"
M. Sakano, M. S. Bahramy, H. Tsuji, I. Araya, K. Ikeura, H. Sakai, S. Ishiwata, K. Yaji, K. Kuroda, A. Harasawa, S. Shin, and K. Ishizaka
Phys. Rev. B 95, 121101(R) (2017).

"Direct mapping of spin and orbital entangled wave functions under interband spin-orbit coupling of giant Rashba spin-split surface states"
R. Noguchi, K. Kuroda, K. Yaji, K. Kobayashi, M. Sakano, A. Harasawa, T. Kondo, F. Komori, and S. Shin
Phys. Rev. B 95, 041111(R) (2017).

"Momentum-dependent sign inversion of orbital order in superconducting FeSe"
Y. Suzuki, T. Shimojima, T. Sonobe, A. Nakamura, M. Sakano, H. Tsuji, J. Omachi, K. Yoshioka, M. Kuwata-Gonokami, T. Watashige, R. Kobayashi, S. Kasahara, T. Shibauchi, Y. Matsuda, Y. Yamakawa, H. Kontani, and K. Ishizaka
Phys. Rev. B 92, 205117 (2015).

“Topologically protected surface states in a centrosymmetric superconductor b-PdBi2”
M. Sakano, K. Okawa, M. Kanou, H. Sanjo, T. Okuda, T. Sasagawa and K. Ishizaka
Nature communications 6, 8595 (2015).

“Lifting of xz/yz orbital degeneracy at the structural transition in detwinned FeSe”
T. Shimojima, Y. Suzuki, T. Sonobe, A. Nakamura, M. Sakano, J. Omachi, K. Yoshioka, M. Kuwata-Gonokami, K. Ono, H. Kumigashira, A. E. Böhmer, F. Hardy, T. Wolf, C. Meingast, H. v. Löhneysen, H. Ikeda, K. Ishizaka
Phys. Rev. B 90, 121111(R) (2014).

“Valley-dependent spin polarization in bulk MoS2 with broken inversion symmetry”
R. Suzuki*, M. Sakano*, Y. J. Zhang, R. Akashi, D. Morikawa, A. Harasawa, K. Yaji, K. Kuroda, K. Miyamoto, T. Okuda, K. Ishizaka, R. Arita and Y. Iwasa (*equal contribution)
Nature Nanotechnology 9, 611-617 (2014).

"Strongly Spin-Orbit Coupled Two-Dimensional Electron Gas Emerging near the Surface of Polar Semiconductors"
M. Sakano, M. S. Bahramy, A. Katayama, T. Shimojima, H. Murakawa, Y. Kaneko, W. Malaeb, S. Shin, K. Ono, H. Kumigashira, R. Arita, N. Nagaosa, H. Y. Hwang, Y. Tokura, and K. Ishizaka
Phys. Rev. Lett. 110, 107204 (2013).

"Three-dimensional bulk band dispersion in polar BiTeI with giant Rashba-type spin splitting"
M. Sakano, J. Miyawaki, A. Chainani, Y. Takata, T. Sonobe, T. Shimojima, M. Oura, S. Shin, M. S. Bahramy, R. Arita, N. Nagaosa, H. Murakawa, Y. Kaneko, Y. Tokura, and K. Ishizaka
Phys. Rev. B 86, 085204 (2012).

"Orbital characters of three-dimensional Fermi surfaces in Eu2-xSrxNiO4 as probed by soft-x-ray angle-resolved photoemission spectroscopy"
M. Uchida, K. Ishizaka, P. Hansmann, X. Yang, M. Sakano, J. Miyawaki, R. Arita, Y. Kaneko, Y. Takata, M. Oura, A. Toschi, K. Held, A. Chainani, O. K. Andersen, S. Shin, and Y. Tokura
Phys. Rev. B 84, 241109(R) (2011).

"Giant Rashba-type spin splitting in bulk BiTeI"
K. Ishizaka, M. S. Bahramy, H. Murakawa, M. Sakano, T. Shimojima, T. Sonobe, K. Koizumi, S. Shin, H. Miyahara, A. Kimura, K. Miyamoto, T. Okuda, H. Namatame, M. Taniguchi, R. Arita, N. Nagaosa, K. Kobayashi, Y. Murakami, R. Kumai, Y. Kaneko, Y. Onose, and Y. Tokura
Nature Materials 10, 521-526 (2011).

Oral Presentation (International)
“Micro-focused ARPES study on atomically thin WTe2 flakes” (2022/06/24)
M. Sakano (invited)
Superstripes 2022,
2022/6/20-24, Rome, Italy and online

“Direct observation of the layer-number-dependent electronic structure in few-layer WTe2” (2021/02/19)
M. Sakano
The 7th International Wworkshop on 2D Materals,
2021/02/18-19, on-line

"Radial spin texture in elemental tellurium with chiral crystal structure" (2020/06/11)
M. Sakano (invited), M. Hirayama, T. Takahashi, S. Akebi, M. Nakayama, K. Kuroda, K. Taguchi, T. Yoshikawa, K. Miyamoto, T. Okuda, K. Ono, H. Kumigashira, T. Ideue, Y. Iwasa, N. Mitsuishi, K. Ishizaka, S. Shin, T. Miyake, S. Murakami, T. Sasagawa, and Takeshi Kondo
Quantum Complex Matter 2020,
2020/06/08-12, Rome, Italy (online)

"Fabrication of atomically thin WTe2 flakes and band structure investigation by angle-resolved photoemission spectroscopy" (2020/06/10)
Y. Tanaka (invited), S. Masubuchi, M. Sakano, A. Oshima, T. Nomoto, R. Arita, S. Okazaki, T. Sasagawa, K. Watanabe, T. Taniguchi, T. Machida, K. Ishizaka
Quantum Complex Matter 2020,
2020/06/08-12, Rome, Italy (online)

"Electronic structures of topological materials clarified by spin- and angle-resolved photoemission spectroscopy"
M. Sakano (invited)
2nd international Workshop on 2D Materials,
2019/02/22, Nanjing University, Nanjing, Jiangsu, China

"Observation of topologically protected surface states in a Bi-Pd superconductor" (L7.00010)
M. Sakano, K. Okawa, M. Kanou, H. Sanjo, T. Okuda, T. Sasagawa, and K. Ishizaka
American Physical Society March Meeting 2015,
2015/03/07, Henry B. Gonzalez Convention Center, San Antonio, Taxas, United States

"Observation of out-of-plane spin-polarization in bulk 3R-MoS2" (J51.00010)
M. Sakano, R. Suzuki, Y. J. Zhang, R. Akashi, A. Harasawa, K. Yaji, K. Kuroda, K. Miyamoto, T. Okuda, K. Ishizaka, R. Arita, Y. Iwasa
American Physical Society March Meeting 2014,
2014/03/04, Colorado Convention Center, Denver, United States

Poster Presentation (International)
"Observation of topologically protected surface states in alloy Bi-Pd superconductors"
(Poster; Tu-22)
M. Sakano, K. Okawa, M. Kanou, Y. Kubota, H. Sanjo, E. F. Schwier, K. Shimada, T. Okuda, T. Sasagawa, and K. Ishizaka
Spectroscopies in Novel Superconductors,
2019/06/18, The University of Tokyo, Hongo, Tokyo, Japan

"Observation of topologically protected surface states in a Bi-Pd superconductor"
(Poster; P26)
M. Sakano, K. Okawa, M. Kanou, H. Sanjo, T. Okuda, T. Sasagawa, and K. Ishizaka
Workshop on “Topological Magnets”,
2015/05/26, RIKEN, Wako, Saitama, Japan

"Observation of out-of-plane spin-polarization in noncentrosymmetric transition metal dichalcogenide"
(Poster #18)
M. Sakano, R. Suzuki, Y. J. Zhang, R. Akashi, K. Yaji, A.. Harasawa, K. Kuroda, K. Miyamoto, T. Okuda, K. Ishizaka, R. Arita, and Y. Iwasa
The 6th Indo-Japan seminar, Physics and Design of Multi-Functional Correlated Materials,
2014/03/24, The Univ. of Tokyo, Tokyo, Japan

"Observation of out-of-plane spin-polarization in noncentrosymmetric transition metal dichalcogenide" (#22)
M. Sakano, R. Suzuki, Y. J. Zhang, R. Akashi, A. Harasawa, K. Yaji, K. Kuroda, K. Miyamoto, T. Okuda, K. Ishizaka, R. Arita, Y. Iwasa
FIRST Ineternational Symposium on "Topological Quantum Technology",
2014/01/29, The Univ. of Tokyo, Tokyo, Japan

"Rashba-type spin-splitting in layered polar semiconductors BiTeX (X=I, Br and Cl)" (#P43)
M. Sakano, A. Katayama, T. Shimojima, J. Miyawaki, A. Chainani, Y. Takata, M. Oura, W. Malaeb, S. Shin, K. Ono, H. Kumigashira, M. S. Bahramy, R. Arita, N. Nagaosa, H. Murakawa, Y. Kaneko, H. Y. Hwang, Y. Tokura, and K. Ishizaka
QS2C
2013/1/27 The Univ. of Tokyo, Tokyo, Japan

Presentations in domestic conference are available in the Japanese page
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