ENGLISHEN JAPANESEJPN

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Original papers

[89] F. Ozaki, S. Tanaka, Y. H. Choi, W. Osada, K. Mukai, M. Kawamura, M. Fukuda, M. Horio, T. Koitaya, S. Yamamoto, I. Matsuda, T. Ozaki, J. Yoshinobu,
"Hydrogen-induced sulfur vacancies on the MoS2 basal plane studied by ambient pressure XPS and DFT calculations",
ChemPhysChem, e202300477 (2023).

[88] Y. Ishihara, T. Koitaya, Y. Hamahiga, W. Sugimoto, S. Yamamoto, I. Matsuda, J. Yoshinobu, R. Nouchi,
"In situ electrical detection of methane oxidation on atomically thin IrO2 nanosheet films down to room temperature",
Adv. Mater. Interfaces 10, 2300258 (2023).

[87] I. Kagomiya, T. Hirano, Y. Yagi, K. Kakimoto, S. Yamamoto, I. Matsuda,
"Surface exchange reaction of mixed conductive La0.65Ca0.35FeO3-δ during oxygen evolution and incorporation as traced by Operando X-ray photoelectron spectroscopy",
ACS Appl. Mater. Interfaces 14, 48194-48199 (2022).

[86] R. Yukawa, S. Yamamoto, R. Arita, Y. Minami, K. Yamanoi, K. Ozawa, K. Sakamoto, T. Shimizu, N. Sarukura, I. Matsuda,
"Resolving decay-time dependent photoluminescence induced by phonon-dressed excitons in ZnO",
Phys. Rev. Mater. 6, 104607 (2022).

[85] Y. Uemura, A. S. M. Ismail, S. H. Park, S. Kwon, M. Kim, H. Elnaggar, F. Frati, H. Wadati, Y. Hirata, Y. Zhang, K. Yamagami, S. Yamamoto, I. Matsuda, U. Halisdemir, G. Koster, C. Milne, M. Ammann, B. M. Weckhuysen, F. M. F. de Groot,
"Hole dynamics in photoexcited hematite studied with femtosecond oxygen K-edge X-ray absorption spectroscopy",
J. Phys. Chem. Lett. 13, 4207-4214 (2022).

[84] F. Ozaki, S. Tanaka, W. Osada, K. Mukai., M. Horio., T. Koitaya, S. Yamamoto, I. Matsuda, J. Yoshinobu,
"Functionalization of the MoS2 basal plane for activation of molecular hydrogen by Pd deposition",
Appl. Surf. Sci. 593, 153313 (2022).

[83] J. Tang, O. Seo, D. S. Rivera Rocabado, T. Koitaya, S. Yamamoto, Y. Nanba, C. Song, J. Kim, A. Yoshigoe, M. Koyama, S. Dekura, H. Kobayashi, H. Kitagawa, O. Sakata, I. Matsuda, J. Yoshinobu,
"Hydrogen absorption and diffusion behaviors in cube-shaped palladium nanoparticles revealed by ambient-pressure X-ray photoelectron spectroscopy",
Appl. Surf. Sci. 587, 152797 (2022).

[82] M. Sato, Y. Imazeki, T. Takeda, M. Kobayashi, S. Yamamoto, I. Matsuda, J. Yoshinobu, Y. Nakano, M. Sugiyama,
"Comparative study of H2O and O2 adsorption on the GaN surface",
J. Phys. Chem. C 125, 25807-25815 (2021).

[81] J. Miyawaki, S. Yamamoto, Y. Hirata, M. Horio, Y. Harada, I. Matsuda,
"Fast and versatile polarization control of X-ray by segmented cross undulator at SPring-8",
AAPPS Bulletin 31, 25 (2021).

[80] K. Ozawa, S. Yamamoto, T. Miyazaki, K. Yano, K. Okudaira, K. Mase, I. Matsuda,
"Influence of stacking order of phthalocyanine and fullerene layers on the photoexcited carrier dynamics in model organic solar cell",
J. Phys. Chem. C 125, 13963-13970 (2021).

[79] Y. Imazeki, M. Sato, T. Takeda, M. Kobayashi, S. Yamamoto, I. Matsuda, J. Yoshinobu, M. Sugiyama, Y. Nakano,
"Band bending of n-GaN under ambient H2O vapor studied by X-ray photoelectron spectroscopy",
J. Phys. Chem. C 125, 9011-9019 (2021).

[78] Y. Uemura, A. S. M. Ismail, S. H. Park, S. Kwon, M. Kim, Y. Niwa, H. Wadati, H. Elnaggar, F. Frati, T. Haarman, N. Höppel, N. Huse, Y. Hirata, Y. Zhang, K. Yamagami, S. Yamamoto, I. Matsuda, T. Katayama, T. Togashi, S. Owada, M. Yabashi, U. Halisdemir, G. Koster, T. Yokoyama, K. Asakura, B. M. Weckhuysen, F. M. F. de Groot,
"Femtosecond charge density modulations in photoexcited CuWO4",
J. Phys. Chem. C 125, 7329-7336 (2021).

[77] M. Okawa, K. Akikubo, S. Yamamoto, I. Matsuda, T. Saitoh,
"Valence fluctuations in Yb(Al,Fe)B4 studied by nanosecond-time-resolved photoemission spectroscopy using synchrotron radiation",
e-J. Surf. Sci. Nanotechnol. 19, 20-23 (2021).

[76] A. K. R. Ang, Y. Fukatsu, K. Kimura, Y. Yamamoto, T. Yonezawa, H. Nitta, A. Fleurence, S. Yamamoto, I. Matsuda, Y. Yamada-Takamura, K. Hayashi,
"Time-resolved X-ray photoelectron diffraction using an angle-resolved time-of-flight electron analyzer",
Jpn. J. Appl. Phys. 59, 100902 (2020).

[75] M. Sato, Y. Imazeki, T. Takeda, M. Kobayashi, S. Yamamoto, I. Matsuda, J. Yoshinobu, Y. Nakano, M. Sugiyama,
"Atomistic-level description of GaN/water interface by a combined spectroscopic and first-principles computational approach",
J. Phys. Chem. C 124, 12466-12475 (2020).

[74] K. Yamamoto, S. El Moussaoui, Y. Hirata, S. Yamamoto, Y. Kubota, S. Owada, M. Yabashi, T. Seki, K. Takanashi, I. Matsuda, H. Wadati,
"Element-selectively tracking ultrafast demagnetization process in Co/Pt multilayer thin films by the resonant magneto-optical Kerr effect",
Appl. Phys. Lett. 116, 172406 (2020).

[73] Y. Kanematsu, H. S. Kato, S. Yoshimoto, A. Ueda, S. Yamamoto, H. Mori, J. Yoshinobu, I. Matsuda, M. Tachikawa,
"A computational examination of the electric-field-induced proton transfer along the interface hydrogen bond between proton donating and accepting self-assembled monolayers",
Chem. Phys. Lett. 741, 137091 (2020).

[72] A. S. M. Ismail, Y. Uemura, S. H. Park, S. Kwon, M. Kim, H. Elnaggar, F. Frati, Y. Niwa, H. Wadati, Y. Hirata, Y. Zhang, K. Yamagami, S. Yamamoto, I. Matsuda, U. Halisdemir, G. Koster, B. M. Weckhuysen, F. M. F. de Groot,
"Direct observation of the electronic states of photoexcited hematite with ultrafast 2p3d X-ray absorption spectroscopy and resonant inelastic X-ray scattering",
Phys. Chem. Chem. Phys. 22, 2685-2692 (2020).

[71] T. Koitaya, S. Yamamoto, I. Matsuda, J. Yoshinobu,
"Surface chemistry of carbon dioxide on copper model catalysts studied by ambient-pressure X-ray photoelectron spectroscopy",
e-J. Surf. Sci. Nanotechnol. 17, 169-178 (2019).

[70] S. Ikemoto, X. Huang, S. Muratsugu, S. Nagase, T. Koitaya, H. Matsui, G. Yokota, T. Sudoh, A. Hashimoto, Y. Tan, S. Yamamoto, J. Tang, I. Matsuda, J. Yoshinobu, T. Yokoyama, S. Kusaka, R. Matsuda, M. Tada,
"Reversible low-temperature redox activity and selective oxidation catalysis derived from concerted activation of multiple metal species on Cr and Rh-incorporated ceria catalysts",
Phys. Chem. Chem. Phys. 21, 20868 (2019).

[69] Y. Yokoyama, K. Kawakami, Y. Hirata, K. Takubo, K. Yamamoto, K. Abe, A. Mitsuda, H. Wada, T. Uozumi, S. Yamamoto, I. Matsuda, S. Kimura, K. Mimura, H. Wadati,
"Photoinduced valence dynamics in EuNi2(Si0.21Ge0.79)2 studied via time-resolved X-ray absorption spectroscopy",
Phys. Rev. B 100, 115123 (2019).

[68] K. Ozawa, S. Yamamoto, K. Mase, I. Matsuda,
"A surface science approach to unveiling TiO2 photocatalytic mechanism: Correlation between photocatalytic activity and carrier lifetime",
e-J. Surf. Sci. Nanotechnol. 17, 130-147 (2019).
Journal Award, The Japan Society of Vacuum and Surface Science (JVSS)

[67] S. Yamamoto, H. S. Kato, A. Ueda, S. Yoshimoto, Y. Hirata, J. Miyawaki, K. Yamamoto, Y. Harada, H. Wadati, H. Mori, J. Yoshinobu, I. Matsuda,
"Direct evidence of interfacial hydrogen bonding in proton-electron concerted 2D organic bilayer on Au substrate",
e-J. Surf. Sci. Nanotechnol. 17, 49-55 (2019).

[66] I. Matsuda, S. Yamamoto, J. Miyawaki, T. Abukawa, T. Tanaka,
"Segmented undulator for extensive polarization controls in ≦1 nm-rad emittance rings",
e-J. Surf. Sci. Nanotechnol. 17, 41-48 (2019).

[65] T. Koitaya, S. Yamamoto, Y. Shiozawa, Y. Yoshikura, M. Hasegawa, J. Tang, K. Takeuchi, K. Mukai, S. Yoshimoto, I. Matsuda, J. Yoshinobu,
"CO2 activation and reaction on Zn-deposited Cu surfaces studied by ambient-pressure X-ray photoelectron spectroscopy",
ACS Catalysis 9, 4539-4550 (2019).

[64] J. Tang, S. Yamamoto, T. Koitaya, A. Yoshigoe, T. Tokunaga, K. Mukai, I. Matsuda, J. Yoshinobu,
"Mass transport in the PdCu phase structures during hydrogen adsorption and absorption studied by XPS under hydrogen atmosphere",
Appl. Surf. Sci. 480, 419-426 (2019).

[63] I. Tateishi, N.T. Cuong, C.A.S. Moura, M. Cameau, R. Ishibiki, A. Fujino, S. Okada, A. Yamamoto, M. Araki, S. Ito, S. Yamamoto, M. Niibe, T. Tokushima, D.E. Weibel, T. Kondo, M. Ogata, I. Matsuda,
"Semimetallicity of free-standing hydrogenated monolayer boron from MgB2",
Phys. Rev. Mater. 3, 024004 (2019).

[62] K. Ozawa, S. Yamamoto, M. D'angelo, Y. Natsui, N. Terashima, K. Mase, I. Matsuda,
"Enhanced photoresponsivity of fullerene in the presence of phthalocyanine: A time-resolved X-ray photoelectron spectroscopy study of phthalocyanine/C60/TiO2(110)",
J. Phys. Chem. C 123, 4388-4395 (2019).

[61] J. Tang, S. Yamamoto, T. Koitaya, Y. Yoshikura, K. Mukai, S. Yoshimoto, I. Matsuda, J. Yoshinobu,
"Hydrogen adsorption and absorption on a Pd-Ag alloy surface studied using in-situ X-ray photoelectron spectroscopy under ultrahigh vacuum and ambient pressure",
Appl. Surf. Sci. 463, 1161-1167 (2019).

[60] Sh. Yamamoto, Y. Kubota, K. Yamamoto, Y. Takahashi, K. Maruyama, Y. Suzuki, R. Hobara, M. Fujisawa, D. Oshima, S. Owada, T. Togashi, K. Tono, M. Yabashi, Y. Hirata, S. Yamamoto, M. Kotsugi, H. Wadati, T. Kato, S. Iwata, S. Shin, I. Matsuda,
"Femtosecond resonant magneto-optical Kerr effect measurement on an ultrathin magnetic film at a soft X-ray free electron laser",
Jpn. J. Appl. Phys. 57, 09TD02 (2018).

[59] T. Someya, H. Fukidome, N. Endo, K. Takahashi, S. Yamamoto, I. Matsuda,
"Interfacial carrier dynamics of graphene on SiC, traced by the full-range time-resolved core-level photoemission spectroscopy",
Appl. Phys. Lett. 113, 051601 (2018).

[58] S. Yamamoto*, K. Takeuchi, Y. Hamamoto, R.-Y. Liu, Y. Shiozawa, T. Koitaya, T. Someya, K. Tashima, H. Fukidome, K. Mukai, S. Yoshimoto, M. Suemitsu, Y. Morikawa, J. Yoshinobu, I. Matsuda,
"Enhancement of CO2 adsorption on oxygen-functionalized epitaxial graphene surface under near-ambient conditions",
Phys. Chem. Chem. Phys. 20, 19532-19538 (2018).
* Corresponding author

[57] Sh. Yamamoto, T. Omi, H. Akai, Y. Kubota, Y. Takahashi, Y. Suzuki, Y. Hirata, K. Yamamoto, R. Yukawa, K. Horiba, H. Yumoto, T. Koyama, H. Ohashi, S. Owada, K. Tono, M. Yabashi, E. Shigemasa, S. Yamamoto, M. Kotsugi, H. Wadati, H. Kumigashira, T. Arima, S. Shin, I. Matsuda,
"Element selectivity in second-harmonic generation of GaFeO3 by a soft-X-ray free-electron laser",
Phys. Rev. Lett. 120, 223902 (2018).

[56] R.-Y. Liu, K. Ozawa, N. Terashima, Y. Natsui, B. Feng, S. Ito, W.-C. Chen, C.-M. Cheng, S. Yamamoto, H. Kato, T.-C. Chiang, I. Matsuda,
"Controlling the surface photovoltage on WSe2 by surface chemical modification",
Appl. Phys. Lett. 112, 211603 (2018).

[55] K. Ozawa, S. Yamamoto, R. Yukawa, R.-Y. Liu, N. Terashima, Y. Natsui, H. Kato, K. Mase, I. Matsuda,
"Correlation between photocatalytic activity and carrier lifetime: Acetic acid on single-crystal surfaces of anatase and rutile TiO2",
J. Phys. Chem. C 122, 9562-9569 (2018).

[54] H. S. Kato, S. Yoshimoto, A. Ueda, S. Yamamoto, Y. Kanematsu, M. Tachikawa, H. Mori, J. Yoshinobu, I. Matsuda,
"Strong hydrogen-bonds at the interface between proton-donating and -accepting self-assembled monolayers on Au(111)",
Langmuir 34, 2189-2197 (2018).

[53] Sh. Yamamoto, D. Oumbarek, M. Fujisawa, T. Someya, Y. Takahashi, T. Yamamoto, N. Ishii, K. Yaji, S. Yamamoto, T. Kanai, K. Okazaki, M. Kotsugi, J. Itatani, S. Shin, I. Matsuda,
"Resonant magneto-optical Kerr effect measurement system with polarization analysis using a high harmonic generation laser",
J. Electron. Spectrosc. Relat. Phenom. 222, 68 (2018).

[52] Y. Kubota, Y. Hirata, J. Miyawaki, S. Yamamoto, H. Akai, R. Hobara, Sh. Yamamoto, K. Yamamoto, T. Someya, K. Takubo, Y. Yokoyama, M. Araki, M. Taguchi, Y. Harada, H. Wadati, M. Tsunoda, R. Kinjo, A. Kagamihata, T. Seike, M. Takeuchi, T. Tanaka, S. Shin, I. Matsuda,
"Determination of the element-specific complex permittivity using a soft X-ray phase modulator",
Phys. Rev. B 96, 214417 (2017).

[51] Y. Kubota, M. Taguchi, H. Akai, Sh. Yamamoto, T. Someya, Y. Hirata, K. Takubo, M. Araki, M. Fujisawa, K. Yamamoto, Y. Yokoyama, S. Yamamoto, M. Tsunoda, H. Wadati, S. Shin, I. Matsuda,
"L-edge resonant magneto-optical Kerr effect of a buried Fe nanofilm",
Phys. Rev. B 96, 134432 (2017).

[50] K. Takubo, K. Yamamoto, Y. Hirata, Y. Yokoyama, Y. Kubota, Sh. Yamamoto, S. Yamamoto, I. Matsuda, S. Shin, T. Seki, K. Takanashi, H. Wadati,
"Capturing ultrafast magnetic dynamics by time-resolved soft x-ray magnetic circular dichroism",
Appl. Phys. Lett. 110, 162401 (2017).

[49] T. Someya, H. Fukidome, H. Watanabe, T. Yamamoto, M. Okada, H. Suzuki, T. Iimori, N. Ishii, T. Kanai, K. Tashima, B. Feng, S. Yamamoto, J. Itatani, F. Komori, K. Okazaki, S. Shin, I. Matsuda,
"Suppression of supercollision carrier cooling in high mobility graphene on SiC(0001)",
Phys. Rev. B 95, 165303 (2017).
Selected as Editors' Suggestion

[48] K. Takeuchi, S. Yamamoto*, Y. Hamamoto, Y. Shiozawa, K. Tashima, H. Fukidome, T. Koitaya, K. Mukai, S. Yoshimoto, M. Suemitsu, Y. Morikawa, J. Yoshinobu, I. Matsuda,
"Adsorption of CO2 on graphene: A combined TPD, XPS, and vdW-DF study",
J. Phys. Chem. C 121, 2807-2814 (2017).
* Corresponding author

[47] Y. Kubota, K. Murata, J. Miyawaki, K. Ozawa, M.C. Onbasli, T. Shirasawa, B. Feng, Sh. Yamamoto, R.-Y. Liu, S. Yamamoto, S.K. Mahatha, P. Sheverdyaeva, P. Moras, C.A. Ross, S. Suga, Y. Harada, K.L. Wang, I. Matsuda,
"Interface electronic structure at the topological insulator - ferrimagnetic insulator junction",
J. Phys.: Condens. Matter 29, 055002 (2017).

[46] T. Abukawa, S. Yamamoto, R. Yukawa, S. Kanzaki, K. Mukojima, I.Matsuda,
"Time-resolved soft X-ray core-level photoemission spectroscopy at 880°C using the pulsed laser and synchrotron radiation and the pulse heating current",
Surf. Sci. 656, 43-47 (2017).

[45] K. Ozawa, S. Yamamoto, R. Yukawa, R.-Y. Liu, M. Emori, K. Inoue, T. Higuchi, H. Sakama, K. Mase, I. Matsuda,
"What determines the lifetime of photoexcited carriers on TiO2 surfaces?",
J. Phys. Chem. C 120, 29283 (2016).

[44] R. Yukawa, K. Ozawa, S. Yamamoto, H. Iwasawa, K. Shimada, E.F. Schwier, K. Yoshimatsu, H. Kumigashira, H. Namatame, M. Taniguchi, I. Matsuda,
"Phonon-dressed two-dimensional carriers on the ZnO surface",
Phys. Rev. B 94, 165313 (2016).

[43] R. Yukawa, S. Yamamoto, K. Akikubo, K. Takeuchi, K. Ozawa, H. Kumigashira, I. Matsuda,
"Tailoring photovoltage response at SrRuO3/SrTiO3 heterostructures",
Adv. Mater. Interfaces 3, 1600527 (2016).
Selected as a cover article.

[42] K. Ozawa, S. Yamamoto, R. Yukawa, K. Akikubo, M. Emori, H. Sakama, I. Matsuda,
"Capturing transiently charged states at the C60/TiO2(110) interface by time-resolved soft X-ray photoelectron spectroscopy",
Org. Electron. 31, 98-103 (2016).

[41] T. Koitaya, S. Yamamoto*, Y. Shiozawa, K. Takeuchi, R.-Y. Liu, K. Mukai, S. Yoshimoto, K. Akikubo, I. Matsuda, J. Yoshinobu,
"Real-time observation of reaction processes of CO2 on Cu(997) by ambient-pressure X-ray photoelectron spectroscopy",
Topics in Catalysis 59, 526-531 (2016).
Invited paper in the special issue "Ambient Pressure XPS of Heterogeneous Interfaces Under Reaction Conditions"
* Corresponding author

[40] Sh. Yamamoto, M. Taguchi, T. Someya, Y. Kubota, S. Ito, H. Wadati, M. Fujisawa, F. Capotondi, E. Pedersoli, M. Manfredda, L. Raimondi, M. Kiskinova, J. Fujii, P. Moras, T. Tsuyama, T. Nakamura, T. Kato, T. Higashide, S. Iwata, S. Yamamoto, S. Shin, I. Matsuda,
"Ultrafast spin-switching of a ferrimagnetic alloy at room temperature traced by resonant magneto-optical Kerr effect using a seeded free electron laser",
Rev. Sci. Instrum. 86, 083901 (2015).

[39] R. Yukawa, K. Ozawa, S. Yamamoto, R.-Y. Liu, I. Matsuda,
"Anisotropic effective mass approximation model to calculate multiple subband structures at wide-gap semiconductor surfaces: Application to accumulation layers of SrTiO3 and ZnO",
Surf. Sci. 641, 224-230 (2015).

[38] R. Yukawa, S. Yamamoto, K. Ozawa, M. Emori, M. Ogawa, Sh. Yamamoto, K. Fujikawa, R. Hobara, S. Kitagawa, H. Daimon, H. Sakama, I. Matsuda,
"Electron-hole recombination on ZnO(0001) single-crystal surface studied by time-resolved soft X-ray photoelectron spectroscopy",
Appl. Phys. Lett. 105, 151602 (2014).

[37] I. Matsuda, A. Kuroda, J. Miyawaki, Y. Kosegawa, S. Yamamoto, T. Seike, T. Bizen, Y. Harada, T. Tanaka, H. Kitamura,
"Development of an electromagnetic phase shifter using a pair of cut-core coils for a cross undulator",
Nucl. Instrum. Meth. A 767, 296-299 (2014).

[36] K. Ozawa, M. Emori, S. Yamamoto, R. Yukawa, Sh. Yamamoto, R. Hobara, K. Fujikawa, H. Sakama, I. Matsuda,
"Electron-hole recombination time at TiO2 single-crystal surfaces: Influence of surface band bending",
J. Phys. Chem. Lett. 5. 1953-1957 (2014).

[35] T. Someya, H. Fukidome, Y. Ishida, R. Yoshida, T. Iimori, R. Yukawa, K. Akikubo, Sh. Yamamoto, S. Yamamoto, T. Yamamoto, T. Kanai, K. Funakubo, M. Suemitsu, J. Itatani, F. Komori, S. Shin, I. Matsuda,
"Observing hot carrier distribution in an n-type epitaxial graphene on a SiC substrate",
Appl. Phys. Lett. 104, 161103 (2014).

[34] Sh. Yamamoto, M. Taguchi, M. Fujisawa, R. Hobara, S. Yamamoto, K. Yaji, T. Nakamura, K. Fujikawa, R. Yukawa, T. Togashi, M. Yabashi, M. Tsunoda, S. Shin, I. Matsuda,
"Observation of a giant Kerr rotation in a ferromagnetic transition metal by M-edge resonant magneto-optic Kerr effect",
Phys. Rev. B 89, 064423 (2014).

[33] M. Ogawa, R.-Y. Liu, C.-H. Lin, S. Yamamoto, R. Yukawa, R. Hobara, S.-J. Tang, I. Matsuda,
"Non-linear kinetic model for oscillatory relaxation of the photovoltage effect on a Si(111)7×7 surface",
Surf. Sci. 624, 70-75 (2014).

[32] S. Yamamoto, Y. Senba, T. Tanaka, H. Ohashi, T. Hirono, H. Kimura, M. Fujisawa, J. Miyawaki, A. Harasawa, T. Seike, S. Takahashi, N. Nariyama, T. Matsushita, M. Takeuchi, T. Ohata, Y. Furukawa, K. Takeshita, S. Goto, Y. Harada, S. Shin, H. Kitamura, A. Kakizaki, M. Oshima, I. Matsuda,
"New soft X-ray beamline BL07LSU at SPring-8",
J. Synchrotron Rad. 21, 352-365 (2014).

[31] M. Ogawa, S. Yamamoto, K. Fujikawa, R. Hobara, R. Yukawa, Sh. Yamamoto, S. Kitagawa, D. Pierucci, M.G. Silly, C.-H. Lin, R.-Y. Liu, H. Daimon, F. Sirotti, S.-J. Tang, I. Matsuda,
"Relaxations of the surface photovoltage effect on the atomically controlled semiconductor surfaces studied by time-resolved photoemission spectroscopy",
Phys. Rev. B 88, 165313 (2013).

[30] M. Ogawa, S. Yamamoto, R. Yukawa, R. Hobara, C.-H. Lin, R.-Y. Liu, S.-J. Tang, I. Matsuda,
"Oscillatory relaxation of surface photovoltage on a silicon surface",
Phys. Rev. B 87, 235308 (2013).

[29] R. Yukawa, S. Yamamoto, K. Ozawa, M. D’Angelo, M.G. Silly, F. Sirotti, I. Matsuda,
"Electronic structure of the hydrogen-adsorbed SrTiO3(001) surface studied by polarization-dependent photoemission spectroscopy",
Phys. Rev. B 87, 115314 (2013).

[28] S. Yamamoto, I. Matsuda,
"Time-resolved photoelectron spectroscopies using synchrotron radiation: Past, present, and future",
J. Phys. Soc. Jpn. 82, 021003 (2013).
Invited review paper in the special volume "Frontier of Condensed Matter Physics using Synchrotron Radiation"

[27] S. Kaya, D. Schlesingerb, S. Yamamoto, J. T. Newberg, H. Bluhm, H. Ogasawara, T. Kendelewicz, G. E. Brown Jr., L. G. M. Pettersson, A. Nilsson,
"Highly compressed two-dimensional form of water at ambient conditions",
Sci. Rep. 3, 1074 (2013).

[26] S. Kawasaki, K. Akagi, K. Nakatsuji, S. Yamamoto, I. Matsuda, Y. Harada, J. Yoshinobu, F. Komori, R. Takahashi, M. Lippmaa, C. Sakai, H. Niwa, M. Oshima, K. Iwashina, A. Kudo,
"Elucidation of Rh-induced in-gap states of Rh:SrTiO3 visible-light-driven photocatalyst by soft x-ray spectroscopy and first-principles calculations",
J. Phys. Chem. C 116, 24445-24448 (2012).

[25] M. D’Angelo, R. Yukawa, K. Ozawa, S. Yamamoto, T. Hirahara, S. Hasegawa, M.G. Silly, F. Sirotti, I. Matsuda,
"Hydrogen-induced surface metallization of SrTiO3(001)",
Phys. Rev. Lett. 108, 116802 (2012).

[24] M. Ogawa, S. Yamamoto, Y. Kousa, F. Nakamura, R. Yukawa, A. Fukushima, A. Harasawa, H. Kondoh, Y. Tanaka, A. Kakizaki, I. Matsuda,
"Development of soft x-ray time-resolved photoemission spectroscopy system with a two-dimensional angle-resolved time-of-flight analyzer at SPring-8 BL07LSU",
Rev. Sci. Instrum. 83, 023109 (2012).
Selected for Virtual Journal of Ultrafast Science.

[23] J. T. Newberg, D. E. Starr, S. Yamamoto, S. Kaya, T. Kendelewicz, E. R. Mysak, S. Porsgaard, M. B. Salmeron, G. E. Brown, Jr., A. Nilsson, H. Bluhm,
"Auto-catalytic surface hydroxylation of MgO(100) terrace sites observed under ambient conditions",
J. Phys. Chem. C 115, 12864-12872 (2011).

[22] J. T. Newberg, D. E. Starr, S. Yamamoto, S. Kaya, T. Kendelewicz, E. R. Mysak, S. Porsgaard, M. B. Salmeron, G. E. Brown, Jr., A. Nilsson, H. Bluhm,
"Formation of hydroxyl and water layers on MgO films studied with ambient pressure XPS",
Surf. Sci. 605, 89-94 (2011).

[21] M. Bonn, H. J. Bakker, A. Ghosh, S. Yamamoto, M. Sovago, R. K. Campen,
"Structural inhomogeneity of interfacial water at lipid monolayers revealed by surface-specific vibrational pump-probe spectroscopy",
J. Am. Chem. Soc. 132, 14971-14978 (2010).

[20] S. Yamamoto, A. Ghosh, H. K. Nienhuys, M. Bonn,
"Ultrafast inter- and intramolecular vibrational energy transfer between molecules at interfaces studied by time- and polarization-resolved SFG spectroscopy",
Phys. Chem. Chem. Phys. 12, 12909-12918 (2010).
Featured as PCCP Perspective.

[19] S. Yamamoto, T. Kendelewicz, J. T. Newberg, G. Ketteler, D. E. Starr, E. R. Mysak, K. J. Andersson, H. Ogasawara, H. Bluhm, M. Salmeron, G. E. Brown, Jr., A. Nilsson,
"Water adsorption on a-Fe2O3(0001) at near ambient conditions",
J. Phys. Chem. C 114, 2256-2266 (2010).

[18] D. E. Starr, Ch. Weis, S. Yamamoto, A. Nilsson, H. Bluhm,
"NO2 adsorption on Ag(100) supported MgO(100) thin films: Controlling the adsorption state with film thickness",
J. Phys. Chem. C 113, 7355-7363 (2009).

[17] M. Salmeron, H. Bluhm, M. Tatarkhanov, G. Ketteler, T. K. Shimizu, A. Mugarza, X. Deng, T. Herranz, S. Yamamoto, A. Nilsson,
"Water growth on metals and oxides: binding, dissociation and role of hydroxyl groups",
Faraday Discuss. 141, 221-229 (2009).

[16] Y. Yamashita, S. Yamamoto, K. Mukai, J. Yoshinobu, Y. Harada, T. Tokushima, S. Shin,
"Direct observation of valence and conduction states near the SiO2/Si(100) interface",
e-J. Surf. Sci. Nanotechnol. 6, 209-212 (2008).

[15] S. Yamamoto, H. Bluhm, K. Andersson, G. Ketteler, H. Ogasawara, M. Salmeron, A. Nilsson,
"In-situ x-ray photoelectron spectroscopy studies of water on metals and oxides at ambient conditions",
J. Phys.: Condens. Matter 20, 184025 (2008).
Invited paper in the special volume "In-situ gas-surface interactions: Approaching realistic conditions."

[14] K. Andersson, G. Ketteler, H. Bluhm, S. Yamamoto, H. Ogasawara, L. G. M. Pettersson, M. Salmeron, A. Nilsson,
"Auto-catalytic water dissociation on Cu(110) at near ambient conditions",
J. Am. Chem. Soc. 130, 2793-2797 (2008).

[13] M. Smits, A. Ghosh, J. Bredenbeck, S. Yamamoto, M. Müller, M. Bonn,
"Ultrafast energy flow in model biological membranes",
New J. Phys. 9, 390 (2007).
Featured on IOP Select and IOP 10th Anniversary Highlights.
Featured on Europhysics News, vol. 39/1, 15 (2008).

[12] K. Andersson, G. Ketteler, H. Bluhm, S. Yamamoto, H. Ogasawara, L. G. M. Pettersson, M. Salmeron, A. Nilsson,
"Bridging the pressure gap in water and hydroxyl chemistry on metal surfaces: The Cu(110) Case",
J. Phys. Chem. C 111, 14493-14499 (2007).

[11] G. Ketteler, S. Yamamoto, H. Bluhm, K. Andersson, D. E. Starr, D. F. Ogletree, H. Ogasawara, A. Nilsson, M. Salmeron,
"The nature of water nucleation sites on TiO2(110) surfaces revealed by ambient pressure x-ray photoelectron spectroscopy",
J. Phys. Chem. C 111, 8278-8282 (2007).

[10] S. Yamamoto, K. Andersson, H. Bluhm, G. Ketteler, D. E. Starr, T. Schiros, H. Ogasawara, L. G. M. Pettersson, M. Salmeron, A. Nilsson,
"Hydroxyl-induced wetting of metals by water at near ambient conditions",
J. Phys. Chem. C (Letters) 111, 7848-7850 (2007).
Featured on ALS Spectrum.

[9] A. Beniya, S. Yamamoto, K. Mukai, Y. Yamashita, J. Yoshinobu,
"The first layer of water on Rh(111): Microscopic structure and desorption kinetics",
J. Chem. Phys. 125, 054717 (2006).

[8] Y. Yamashita, S. Yamamoto, K. Mukai, J. Yoshinobu, Y. Harada, T. Tokushima, Y. Takata, S. Shin,
"Effects of interface roughness on the local valence electronic structure at SiO2/Si interface: Soft X-ray absorption and emission study",
Journal de Physique IV 132, 259-262 (2006).

[7] Y. Yamashita, S. Yamamoto, K. Mukai, J. Yoshinobu, Y. Harada, T. Tokushima, T. Takeuchi, Y. Takata, S. Shin, K. Akagi, S. Tsuneyuki,
"Direct observation of the site-specific valence electronic structure at SiO2/Si interface",
e-J. Surf. Sci. Nanotechnol. 4, 280-284 (2006).

[6] Y. Yamashita, S. Yamamoto, K. Mukai, J. Yoshinobu, Y. Harada, T. Tokushima, T. Takeuchi, Y. Takata, S. Shin, K. Akagi, and S. Tsuneyuki,
"Direct observation of site-specific valence electronic structure at the SiO2/Si interface",
Phys. Rev. B 73, 045336 (2006).

[5] S. Yamamoto, A. Beniya, K. Mukai, Y. Yamashita, J. Yoshinobu,
"Water adsorption on Rh(111) at 20 K: from monomer to bulk amorphous ice",
J. Phys. Chem. B 109, 5816-5823 (2005).

[4] S. Yamamoto, A. Beniya, K. Mukai, Y. Yamashita, J. Yoshinobu,
"Low-energy electron-stimulated chemical reactions of CO in water ice",
Chem. Phys. Lett. 388/4-6, 384-388 (2004).

[3] Y. Yamashita, S. Machida, M. Nagao, S. Yamamoto, K. Mukai, J. Yoshinobu,
"Vibrational structure in C1s photoelectron spectra of ethylene on the Si(100)(2x1) surface",
Chem. Phys. Lett. 374, 476-481 (2003).

[2] S. Machida, M. Nagao, S. Yamamoto, Y. Kakefuda, K. Mukai, Y. Yamashita, J. Yoshinobu,
"Electronic states and chemical reactivity of Si(100)c(4x2) surface at low temperature studied by high resolution Si 2p core level photoelectron spectroscopy",
Surf. Sci. 532/535, 716-720 (2003).

[1] Y. Yamashita, S. Machida, M. Nagao, S. Yamamoto, Y. Kakefuda, K. Mukai, J. Yoshinobu,
"Direct evidence for asymmetric dimer on Si(100) at low temperature by means of high resolution Si 2p photoelectron spectroscopy",
Jpn. J. Appl. Phys. 41, L272-L274 (2002).

Proceedings

[2] Y. Kubota, Sh. Yamamoto, T. Someya, Y. Hirata, K. Takubo, M. Araki, M. Fujisawa, K. Yamamoto, Y. Yokoyama, M. Taguchi, S. Yamamoto, M. Tsunoda, H. Wadati, S. Shin, I. Matsuda,
"Polarization dependence of resonant magneto-optical Kerr effect measured by two types of figure-8 undulators",
J. Electron Spectrosc. Relat. Phenom. 220, 17-20 (2017).
(as the conference proceedings of VUVX-2016)

[1] Y. Senba, S. Yamamoto, H. Ohashi, I. Matsuda, M. Fujisawa, A. Harasawa, T. Okuda, S. Takahashi, N. Nariyama, T. Matsushita, T. Ohata, Y. Furukawa, T. Tanaka, K. Takeshita, S. Goto, H. Kitamura, A. Kakizaki, M. Oshima,
"New soft X-ray beamline BL07LSU for long undulator of SPring-8: Design and status",
Nucl. Instrum. Methods Phys. Res. A 649, 58-60 (2011).
(as the conference proceedings of SRI2010)

PhD Thesis

S. Yamamoto,
"Structure and Reaction of Water Ice on Rh(111)" ,
(2005. March).

Reviews and Books

[9] S. Yamamoto, Y. Takagi, T. Koitaya, R. Toyoshima, M. Horio, I. Matsuda, H. Kondoh, T. Yokoyama, J. Yoshinobu,
"Materials science research by ambient pressure X-ray photoelectron spectroscopy systems at synchrotron radiation facilities in Japan: Applications in energy, catalysis, and sensors",
Synchrotron Radiat. News 35, 19-25 (2022).

[8] S. Yamamoto, T. Koitaya, I. Matsuda, J. Yoshinobu,
"Operando measurements of catalytic surface reactions by soft X-ray ambient pressure XPS",
Journal of the Japanese Society for Synchrotron Radiation Research 35, 182-190 (2022). (in Japanese)

[7] T. Shimojima, A. Nakamura, K. Ishizaka, Y. Tanaka, K. Takubo, Y. Hirata, H. Wadati, S. Yamamoto, I. Matsuda, K. Ikeura, H. Takahashi, H. Sakai, S. Ishiwata, T. Togashi, S. Owada, T. Katayama, K. Tono, M. Yabashi, S. Shin,
"Lattice dynamics of 1T'-MoTe2 studied by time-resolved transmission X-Ray diffraction at SACLA",
Adv. X-Ray. Chem. Anal., Japan 49, 163-168 (2018). (in Japanese)

[6] S. Yamamoto, I. Matsuda,
"Time-resolved soft X-ray photoelectron spectroscopy: Real-time observation of photo-excited carriers at semiconductor surfaces",
Journal of The Surface Science Society of Japan, Vol. 37, No. 1, 9-13 (2016)．(in Japanese)

[5] T. Someya., H. Fukidome, Y. Ishida, R. Yoshida, S. Yamamoto, J. Itatani, F. Komori, S. Shin, I. Matsuda,
"Tracing ultrafast carrier dynamics in graphene with femtosecond time-resolved photoemission spectroscopy",
Journal of The Surface Science Society of Japan, Vol. 36, No. 8, 418-423 (2015)．(in Japanese)

[4] S. Yamamoto, I. Matsuda,
"Recent advances in surface carrier dynamics research by time-resolved soft X-ray photoelectron spectroscopy",
Journal of the Japanese Society for Synchrotron Radiation Research 27, 241-252 (2014)．(in Japanese)

[3] S. Yamamoto,
Modern Surface Science Series Vol. 6 "A Learner's Guide to Surface Science: Problems and Commentaries", p. 115 (edited by The Surface Science Society of Japan, Kyoritsu Shuppan, 2013). (in Japanese)

[2] H. Ogasawara, S. Yamamoto,
"Synchrotron radiation, XAS, XES",
The Fifth Series of Experimental Chemistry, Vol. 24 Surface and Interface, p.158-178 (edited by The Chemical Society of Japan, Maruzen, 2007). (in Japanese)

[1] J. Yoshinobu, S. Yamamoto, H. Okuyama,
"Physical properties and chemical reactions on ice surfaces studied by vibrational spectroscopy",
OYO-BUTSURI 73, 1307-1311 (2004). (in Japanese)

Miscellaneous

[1] S. Yamamoto,
"10 tips for successful research abroad",
Journal of The Surface Science Society of Japan, Vol. 35, No. 10, 350-351 (2014). (in Japanese)

[2] S. Yamamoto,
"Message from new staff",
ISSP-NEWS Vol.49 No.4, 3 (Jan. 2010). (in Japanese)

[1] S. Yamamoto,
"My stay at SSRL",
PF-NEWS Vol.26 No.1, 39-40 (May 2008). (in Japanese)