70. “Temperature-dependent electronic structure of a quasi-two-dimensional conductor eta-Mo4O11”, T. Kobayashi, F. Matsui, E. Iwamoto, H. Kizaki, M. Miyata, M. Koyano, I. Yamamoto, S. Suga, and K. Sakamoto, Sci. Rep., 15, 9034 (2025).https://doi.org/10.1038/s41598-025-93355-0.

69. “One-dimensional molecular nanostructures interacting with two-dimensional metal”, P. Kocan, B. Pieczyrak S. Umachi, M. Ciganek, P. Sobotik, I. Ostadal, L. Jurczyszyn, J. Krajcovic, and K. Sakamoto, Nanoscale Horiz., Advance Article (2025).https://doi.org/10.1039/D4NH00622D.

68. “Determination of the actual valence band of a topological insulator Bi2Se3”, Y. Higuchi, R. Itaya, H. Saito, Y. Toichi, T. Kobayashi, M. Tomita, S. Terakawa, K. Suzuki, K. Kuroda, T. Kotani, F. Matsui, S. Suga, H. Sato, K. Sato, and K. Sakamoto, Vacuum 233, 113944-1-6 (2025), https://doi.org/10.1016/j.vacuum.2024.113944.

67. “On-Surface Synthesis of Polyene-Linked Porphyrin Cooligomer”, K. Sun, A. Ishikawa, R. Itaya, Y. Toichi, T. Yamakado, A. Osuka, T. Tanaka, K. Sakamoto, and S. Kawai, ACS Nano 18, 13551-13559 (2024).

66. “Substrate Dependent Physical Properties at the Interface of Manganese(II) Phthalocyanine and Topological Insulator”, R. Itaya, Y. Higuchi, T. Nishioka, M. Tomita, K. Kuroda, J. Fujii, H. Sato and K. Sakamoto, J. Phys. Chem. C 128, 2705-2712 (2024).

65. “Carrier doping of Bi2Se3 surface by chemical adsorption - a DFT study”, C. Fan, K. Sakamoto, and P. Krueger, Appl. Surf. Sci. 643, 158699-1-8 (2024), http://arxiv.org/abs/2310.14177.

64. “Creation of a p-type TlBiSe2 using photo-induced doping”, R. Itaya, Y. Toichi, R. Nakanishi, N. Ebara, Y. Nakata, K. Kasai, K. Kuroda, M. Arita, I. Yamamoto, K. Fukutani, and K. Sakamoto, Phys. Rev. Mater. 7, 114201-1-6 (2023).

63. “Revealing the Hidden Spin-Polarized Bands in a Superconducting Tl Bilayer Crystal”, T. Kobayashi, Y. Toichi, K. Yaji, Y. Nakata, Y. Yaoita, M. Iwaoka, M. Koga, Y. Zhang, J. Fujii, S. Ono, Y. Sassa, Y. Yoshida, Y. Hasegawa, F. Komori, S. Shin, S. Ichinokura, R. Akiyama, S. Hasegawa, T. Shishidou, M. Weinert, and K. Sakamoto, Nano Lett. 23, 7675-7682 (2023), https://doi.org/10.1021/acs.nanolett.3c02387.

62. “Soft x-ray photoelectron momentum microscope for multimodal valence band stereography”, F. Matsui, K. Hagiwara, E. Nakamura, T. Yano, H. Matsuda, Y. Okano, S. Kera, E. Hashimoto, S. Koh, K. Ueno, T. Kobayashi, E. Iwamoto, K. Sakamoto, S.-i. Tanaka, and S. Suga, Rev. Sci. Instrum. 94, 083701 (2023).

61. “Effects of adsorbed molecular ordering to the superconductivity of a 2D atomic layer crystal”, S. Inagaki, N. Ebara, T. Kobayashi, R. Itaya, K. Yokota, I. Yamamoto, J. Osiecki, K. Ali, C. Polley, H. M. Zhang, L. S. O. Johanson, T. Uchihashi, and K. Sakamoto, Phys. Rev. Materials 7, 024805 (2023).

60. “Non-charge-transfer Origin of Tc Enhancement in a Surface Superconductor Si(111)-(√7×√3)-In with Adsorbed Organic Molecules”, K. Yokota, S. Inagaki, W. Qian, R. Nemoto, S. Yoshizawa, E. Minamitani, K. Sakamoto, and T. Uchihashi, J. Phys. Soc. Jpn. 91, 123704-1-5 (2022).

59. “Resolving decay-time dependent photoluminescence induced by phonon-dressed excitons in ZnO”, R. Yukawa, S. Yamamoto, R. Arita, Y. Minami, K. Yamanoi, K. Ozawa, K. Sakamoto, T. Shimizu, N. Sarukura, and I. Matsuda, Phys. Rev. Mater. 6, 104607-1-7 (2022).

58. “Spin-polarized electrons in atomic layer materials formed on solid surfaces”, K. Sakamoto, T. Kobayashi, K. Yaji, T. Shishidou, and M. Donath, Prog. Surf. Sci. 97, 100665 (2022).

57. “Spin-splitting and dinamical spin momentum locking effect in atomic layer superconductor”, T. Uchihashi, S. Yoshizawa, K. Yaji, T. Kobayashi, and K. Sakamoto, Kotai Butsuri 56, 723-733 (2021).

56. “Spatial Control of Charge Doping in n‐Type Topological Insulators”, K. Sakamoto, H. Ishikawa, T. Wake, C. Ishimoto, J. Fujii, H. Bentmann, M. Ohtaka, K. Kuroda, N. Inoue, T. Hattori, T. Miyamachi, F. Komori, I. Yamamoto, C. Fan, P. Krueger, H. Ota, F. Matsui, F. Reinert, J. Avila, and M. C. Asensio, Nano Lett. 21, 4415-4422 (2021).

55. “Surface band characters of the Weyl semimetal candidate material MoTe2 revealed by one-step angle-resolved photoemission theory” , R. Ono, A. Marmodoro, J. Schusser, Y. Nakata, E. F. Schwier, J. Braun, H. Ebert, J. Minar, K. Sakamoto, P. Krueger, Phys. Rev. B 103, 125139-1-8 (2021).

54. “Atomic-layer Rashba-type superconductor protected by dynamic spin-momentum locking” , S. Yoshizawa, T. Kobayashi, Y. Nakata, K. Yaji, K. Yokota, F. Komori, S. Shin, K. Sakamoto, T. Uchihashi, Nat. Commun. 12, 1462 (2021).

53. “Tuning the Fermi surface of In/Si(111)-(v7xv3) by CuPc adsorption” , R. Sagehashi, T. Kobayashi,,T. Uchihashi, K. Sakamoto, Surf. Sci. 705, 121777-1-6 (2021).

52. “Orbital Angular Momentum Induced Spin Polarization of 2D Metallic Bands” , T. Kobayashi, Y. Nakata, K. Yaji, T. Shishidou, D. Agterberg, S. Yoshizawa, F. Komori, S. Shin, M. Weinert, T. Uchihashi, K. Sakamoto, Phys. Rev. Lett. 125, 176401-1-6 (2020).

51. “Surface states and Rashba-type spin polarization in antiferromagnetic MnBi2Te4(0001)” , R.C. Vidal, H. Bentmann, T.R.F. Peixoto, Z. Zeugner, S. Moser, C.-H. Min, S. Schatz, K. Kissner, M. Uenzelmann, C.I. Fornari, H.B. Vasili, M. Valvidares, K. Sakamoto, D. Mondal, J. Fujii, I. Vobornik, S. Jung, C. Cacho, T.K. Kim, R.J. Koch, C. Jozwiak, A. Bostwick, J.D. Denlinger, E. Rotenberg, J. Buck, M. Hoesch, F. Diekmann, S. Rohlf, M. Kallaene, K. Rossnagel, M.M. Otrokov, E.V. Chulkov, M. Ruck, A. Isaeva, and R. Reinert, Phys. Rev. B 100, 121104(R)-1-6 (2019).

50. “The actual electronic band structure of a rubrene single crystal” , J. Nitta, K. Miwa, N. Komiya, E. Annese, J. Fujii, S. Ono, and K. Sakamoto, Sci. Rep.9, 9645-1-7 (2019).

49. “Exotic Rashba spin texture on solid surfaces -Peculiar Rashba effect originating from the symmetry-” (in Japanese), K. Sakamoto, Kotai Butsuri53, 629-637 (2018).

48. “Valley spin polarization of Tl/Si(111)”, S.D. Stolwijk, A.B. Schmidt, K. Sakamoto, P. Krueger, and M. Donath, Phys. Rev. Mat. 1, 064604-1-7 (2017).

47. “Controlled Modification of Superconductivity in Epitaxial Atomic Layer-Organic Molecule Heterostructures”, S. Yoshizawa, E. Minamitani, S. Vijayaraghavan, P. Mishra, Y. Takagi, T. Yokoyama, H. Oba, J. Nitta, K. Sakamoto, S. Watanabe, T. Nakayama, and T. Uchihashi, Nano Lett. 17, 2287-2293 (2017).

46. “Non-vortical Rashba spin-structure on a surface with C1h symmetry”, E. Annese, T. Kuzumaki, B. Müller, Y. Yamamoto, H. Nakano, H. Kato, A. Araki, M. Ohtaka, T. Aoki, H. Ishikawa, T. Hayashida, J. R. Osiecki, K. Miyamoto, Y. Takeichi, A. Harasawa, K. Yaji, T. Shirasawa, K.-i. Nittoh, W. I. Yang, K. Miki, T. Oda, H. W. Yeom, and K. Sakamoto, Phys. Rev. Lett. 117, 016803-1-5 (2016).

45. “Adsorption-enhanced spin–orbit coupling of buckled honeycomb silicon”, J.-T. Sun, W. Chen, K. Sakamoto, Y. P. Feng, and A. T. S. Wee , Physica E 83, 141-145 (2016).

44. “Self-assembled honeycomb lattice in the monolayer of cyclic thiazyl diradical BDTDA (=4,4’-bis(1,2,3,5-dithiadiazolyl)) on Cu(111) with a zero-bias tunneling spectra anomaly”, M. Yamamoto, R. Suizu, S. Dutta, P. Mishra, T. Nakayama, K. Sakamoto, K. Wakabayashi, T. Uchihashi, and K. Awaga, Sci. Rep. 5, 18359; doi:10.1038/srep18359 (2015).

43. “FePc/Metal Interfaces Driven by the Electronic States of Different Low-Dimensional Ag Structures Formed on Si(111)”, E. Annese, A. Rosi, J. Fujii, and K. Sakamoto, J. Phys. Chem. C 119, 20065-20073 (2015).

42. “Spatially inhomogeneous, stepwise phase transitions in a thiazyl diradical: a structural mismatch induced by lattice transformation”, Rie Suizu, Akito Iwasaki, Yoshiaki Shuku, and Kunio Awaga, J. Mater. Chem. C 3, 7968-7977 (2015).

41. “Discovery of the K4 Structure Formed by a Triangular Radical Anion”, A. Mizuno, Y. Shuku, R. Suizu, M.M. Matsushita, M. Tsuchiizu, D.R. Mañeru, F. Illas, V. Robert, and K. Awaga, J. Am. Chem. Soc. 137, 7612-7615 (2015).

40. “Spin texture with a twist in momentum space for Tl/Si(111)”, S.D. Stolwijk, K. Sakamoto, A.B. Schmidt, P. Kruger, and M. Donath, Phys. Rev. B 91, 245420 (2015).

39. “Symmetry induced peculiar Rashba effect on thallium adsorbed Si(111) surfaces”, K. Sakamoto, T. Oda, A. Kimura, Y. Takeichi, J. Fujii, R.I.G. Uhrberg, M. Donath, H.W. Yeom, J. Electron Spectrosc. Relat. Phenom. 201, 88 (2015).

38. “The Rashba-split surface state of Sb2Te3(0001) and its interaction with bulk states”, C. Seibel, H. Maaß, H. Bentmann, J. Braun, K. Sakamoto, M. Arita, K. Shimada, J. Minár, H. Ebert, and F. Reinert, J. Electron Spectrosc. Relat. Phenom. 201, 110 (2015).

37. “Connection of a topological surface state with the bulk continuum in Sb2Te3(0001)”, C. Seibel, H. Bentmann, J. Braun, J. Minár, H. Maaß, K. Sakamoto, M. Arita, K. Shimada, H. Ebert, and F. Reinert, Phys. Rev. Lett., 114, 066802 (2015).

36. “Transforming a surface state of a topological insulator by a Bi capping layer”, H.W. Yeom, S.H. Kim, W.J. Shin, K.-H. Jin, J. Park, T.-H. Kim, J.S. Kim H. Ishikawa, K. Sakamoto, and S.-H. Jhi, Phys. Rev. B 90, 235401 (2014).

35. “Thin line of a Rashba-type spin texture: Unoccupied surface resonance of Tl/Si(111) along Gamma-M”, S.D. Stolwijk, K. Sakamoto, A.B. Schmidt, P. Kruger, and M. Donath, Phys. Rev. B 90, 161109(R) (2014).

34. “The key role of vibrational entropy in the phase transitions of dithiazolyl-based bistable magnetic materials”, S. Vela, F. Mota, M. Deumal, R. Suizu, Y. Shuku, A. Mizuno, K. Awaga, M. Shiga, J. J. Novoa, and J. Ribas-Arino, Prog. Nature Communications 5:4411  doi:10.1038/ncomms5411 (2014).

33. “Recent progress in scanning electron microscopy for the characterization of fine structural details of nano materials”, M. Suga, S. Asahina, Y. Sakuda, H. Kazumori, H. Nishiyama, T. Nokuo, V. Alfredsson, T. Kjellman, S.M. Stevens, H.S. Cho, M. Cho, L. Han, S. Che, M.W. Anderson, F. Schuth, H. Deng, O.M. Yaghi, Z. Liu, H.Y. Jeong, A. Strein, K. Sakamoto, R. Ryoo, and O. Terasaki, Prog. Solid State Chem. 42, 1-21 (2014).

32. “Third-Order Nonlinear Optical Properties and Electroabsorption Spectra of an Organic Biradical, [Naphtho[2,1‑d:6,5‑d’]bis([1,2,3]dithiazole)]”, K. Takauji, R. Suizu, K. Awaga, H. Kishida, and A. Nakamura, J. Phys. Chem. C 118, 4303-4308 (2014).

31. “Electron-Transfer Processes in Highly-Correlated Electron Systems of Thiazyl Radicals”, K. Awaga, K. Nomura, H. Kishida, W. Fujita, H. Yoshikawa, M. M. Matsushita, L. Hu, Y. Shuku, and R. Suizu, Bull. Chem. Soc. Jpn. 87, 234-249 (2014)

30. “Spin-polarized angle-resolved photoelectron spectroscopy of the so-predicted Kondo topological insulator SmB6”, S. Suga, K. Sakamoto, T. Okuda, K. Miyamoto, K. Kuroda, A. Sekiyama, J. Yamaguchi, H. Fujiwara, A. Irizawa, T. Ito, S. Kimura, T. Balashov, W. Wulfhekel, S. Yeo, F. Iga, and S. Imada, J. Phys. Soc. Jpn. 84, 014705-1-6 (2014).

29. “Rotating Spin and Giant Splitting: Unoccupied Surface Electronic structure of Tl/Si(111)”, S.D. Stolwijk, A.B. Schmidt, M. Donath, K. Sakamoto, and P. Kruger, Phys. Rev. Lett. 111, 116402-1-5 (2013).

28. “Valley spin polarization by using the extraordinary Rashba effect on silicon”, K. Sakamoto, T.-H. Kim, T. Kuzumaki, B. Muller, Y. Yamamoto, M. Ohtaka, J.R. Osiecki, K. Miyamoto, Y. Takeichi, A. Harasawa, S.D. Stolwijk, A.B. Schmidt, J. Fujii, R.I.G. Uhrberg, M. Donath, H.W. Yeom, and T. Oda, Nature Communications 4:2073 doi: 10.1038/ncomms3073 (2013).

27. “Highly Ordered Cobalt-Phthalocyanine Chains on Fractional Atomic Steps: One-Dimensionality and Electron Hybridization”, Y. Tanaka, P. Mishra, R. Tateishi, N. T. Cuong, H. Orita, M. Otani, T. Nakayama, T. Uchihashi, and K. Sakamoto, ACS Nano 7, 1317-1323 (2013).

26. “Single Dirac cone on the Cs-covered topological insulator surface Sb2Te3(0001)”, C. Seibel, H. Maaß, M. Ohtaka, A. Diwslwe, C. Jüger, C.-H. Min, H. Bentmann, K. Sakamoto, and F. Reinert, Phys. Rev. B 86, 161105(R)-1-5 (2012).

25. “Spin orientation and sign of the Rashba splitting in Bi/Cu(111)”, H. Bentmann, T. Kuzumaki, G. Bihlmayer, S. Blugel, E. V. Chulkov, F. Reinert, and K. Sakamoto, Phys. Rev. B 84, 112456-1-6 (2011).

24. “Atomic and Valence-Band Electronic Structures of the Epitaxial SiON Layer on the SiC(0001):X-ray Diffraction and Angle-Resolved Photoemission Spectroscopy Investigations”, T. Shirasawa, K. Sakamoto, T. Takahashi, and H. Tochihara, Surf. Sci. 605, 328-332 (2011).

23. “Intermolecular band dispersion in a self-assembled phthalocyanine derivative film: The case of tetrakis(thiadiazole)porhyrazine”, Y. Tanaka, K. Takahashi, T. Kuzumaki, Y. Yamamoto, K. Hotta, A. Harasawa, Y. Ouchi, N. Ueno, K. Seki, K. Awaga, and K. Sakamoto, Phys. Rev. B 82, 073408-1-4 (2010).

22. “Atomic and electronic structures of the ordered 2√3×2√3 and molten 1×1 phase on the Si(111):Sn surface”, P.E.J. Eriksson, J.R. Osiecki, K. Sakamoto, and R.I.G. Uhrberg, Phys. Rev. B 81, 235410-1-9 (2010).

21. “Eletronic structure of the thallium induced 2×1 reconstruction on Si(001)”, P.E.J. Eriksson, K. Sakamoto, and R.I.G. Uhrberg, Phys. Rev. B 81, 205422-1-5 (2010).

20. “Re-investigation of the Bi-induced Si(111)-(√3×√3) surface by low-energy electron diffraction”, T. Kuzumaki, T. Shirasawa, S. Mizuno, N. Ueno, H. Tochihara, and K. Sakamoto, Surf. Sci. 604, 1044-1048 (2010).

19. “Band gap states in copper phthalocyanine thin films induced by N2 exposure”,T. Sueyoshi, H. Kakuta, M. Ono, K. Sakamoto, S. Kera, and N. Ueno, Appl. Phys. Lett. 96, 093303-1-3 (2010).

18. “Thickness-dependent electronic properties and molecular orientation of diradical metal complex thin films grown on SiO2”, T. Hosokai, N. Mitsuo, S.-i. Noro, T. Nakamura, S. Kera, K. Sakamoto, and N. Ueno, Chem. Phys. Lett. 487, 67-70 (2010).

17. “Peculiar Rashba splitting originating from the two-dimensional symmetry of the surface”, K. Sakamoto, H. Kakuta, K. Sugawara, K. Miyamoto, A. Kimura, T. Kuzumaki, N. Ueno, E. Annese, J. Fujii, A. Kodama, T. Shishidou, H. Namatame, M. Taniguchi, T. Sato, T. Takahashi, and T. Oguchi, Phys. Rev. Lett. 103, 156801-1-4 (2009).

16. “Abrupt Rotation of the Rashba spin to the direction perpendicular to the surface”, K. Sakamoto, T. Oda, A. Kimura, K. Miyamoto, M. Tsujikawa, A. Imai, N. Ueno, H. Namatame, M. Taniguchi, P.E.J. Eriksson, and R.I.G. Uhrberg, Phys. Rev. Lett. 102, 096805-1-4 (2009).

15. “Electronic structure of dysprosium silicide films grown on a Si(111) surface”, A. Imai, H. Kakuta, K. Mawatari, A. Harasawa, N. Ueno, T. Okuda, and K. Sakamoto, Appl. Surf. Sci. 256, 1156-1159 (2009).

14. “Electronic structure of the Si(110)-(16×2) surface: High-resolution ARPES and STM investigation”, K. Sakamoto, M. Setvin, K. Mawatari, P.E.J. Eriksson, K. Miki, and R.I.G. Uhrberg,Phys. Rev. B 79, 045304-1-6 (2009).

13. “High-temperature annealing and surface photovoltage shifts on Si(111)7×7”, H. M. Zhang, K. Sakamoto, G.V. Hansson, and R.I.G. Uhrberg, Phys. Rev. B 78, 035318-1-7 (2008).

12. “Origin of a surface state above the Fermi level on Ge(001) and Si(001) studied by temperature-dependent ARPES and LEED”, P.E.J. Eriksson, M. Adell, K. Sakamoto, and R.I.G. Uhrberg, Phys. Rev. B 77, 085406-1-5 (2008).

11. “Fullerene on nitrogen-adsorbed Cu(001) nanopatterned surfaces: from preferential nucleation to layer-by-layer growth”, B. Lu, T. Iimori, K. Sakamoto, K. Nakatsuji, F. Rosei, and F. Komori, J. Phys. Chem. 112, 10187-10192 (2008).

10. “Energy band and electron-phonon coupling in organic thin filsm: Photoelectron spectroscopy as a powerful tool for studying the charge transport”, N. Ueno, S. Kera, K. Sakamoto, and K.K. Okudaira, Appl. Phys. A 93, 495-504 (2008).

9. “Observation of a temperature-dependent transition of a copper-phthalocyanine thin film adsorbed on HOPG”, T. Kataoka, H. Fukagawa, S. Hosoumi, K. Nebashi, K. Sakamoto, and N. Ueno, Chem. Phys. Lett. 451, 43-47 (2008).

8. “Electronic structures of the highest occupied molecular orbital bands of a pentacene ultrathin film”, H. Kakuta, T. Hirahara, I. Matsuda, T. Nagao, S. Hasegawa, N. Ueno, and K. Sakamoto, Phys. Rev. Lett. 98, 247601-1-4 (2007).

7. “Lithium-induced dimer reconstructions on Si(001) studied by photoemission spectroscopy and band-structure calculations”, P.E.J. Eriksson, K. Sakamoto, and R.I.G. Uhrberg, Phys. Rev. B 75, 205416-1-9 (2007).

6. “Photoemission study of a thallium induced Si(111)-(√3×√3) surface'”, K. Sakamoto, P.E.J. Eriksson, N. Ueno, and R.I.G. Uhrberg, Surf. Sci. 601, 5258-5261 (2007).

5. “Influence of intramolecular vibrations in charge redistribution at the pentacene-graphite interface”, K. Fujii, S. Kera, M. Oiwa, K.K. Okudaira, K. Sakamoto, and N. Ueno, Surf. Sci. 601, 3765-3768 (2007).

4. “Surface Electronic Structures of Polythiophene Derivatives”, X.T. Hao, T. Hosokai, N. Mitsuo, S. Kera, K. Sakamoto, K. K. Okudaira, and N. Ueno, Macromol. Symp. 249-250, 493-497 (2007)

3. “The Control of Electronic States Spreading Outside the Conjugated Polymer Surface”, in Organic Electronics - Materials, Devices and Applications, edited by F. So, G.B. Blanchet, Y. Ohmori (Mater. Res. Soc. Symp. Proc. 965E, Warrendale, PA, 2007), 0965-S13-02, X.T. Hao, T. Hosokai, N. Mitsuo, S. Kera, K. Sakamoto, K. K. Okudaira, and N. Ueno.

2. “Surface electronic structures of the Eu- and Ca- induced so-called Si(111)-(5×1) reconstructions”, K. Sakamoto, P.E.J. Eriksson, A. Pick, N. Ueno, and R.I.G. Uhrberg,Phys. Rev. B 74, 235311-1-6 (2006).

1. “Core-level photoemission study of thallium adsorbed on a Si(111)-(7×7) surface: Valence state of thallium and the charge state of surface Si atoms”, K. Sakamoto, P.E.J. Eriksson, S. Mizuno, N. Ueno, H. Tochihara, and R.I.G. Uhrberg,Phys. Rev. B 74, 075335-1-5 (2006).