Papers - CHIKAMATSU Akira

1. Topochemical Fluorination of Epitaxial Thin Films of Barium-Doped Bismuth Iron Oxyfluoride

   Crystal Growth & Design, , vol.24(22)(p.9344 - 9349), 2024.11, SANO Mizuho, KAMIGAITO Akiko, WAKAYAMA Yusuke, SHIGEMATSU Kei, KATAYAMA Tsukasa, HIROSE Yasushi, CHIKAMATSU Akira, Original, Research paper (scientific journal), Capital Author

2. Cation-placement control in double-perovskite GdBaCo2O6 and its impact on magnetism via spin-state modification

   Journal of Materials Chemistry C, The Royal Society of Chemistry, , vol.12(p.10428 - 10436), 2024.06, KATAYAMA Tsukasa, MAGARA Kento, SAKAI Shiro, ZENG Yijie, CHIKAMATSU Akira, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

3. Large tensile-strained BaTiO3 films grown on a lattice-mismatched La-doped BaSnO3 bottom electrode

   CrystEngComm, The Royal Society of Chemistry, , vol.26(21)(p.2765 - 2769), 2024.04, GONG Lizhikun, MARUNOUCHI Ko, CHIKAMATSU Akira, OHTA Hiromichi, KATAYAMA Tsukasa, Original, Research paper (scientific journal), Coauthor

4. Unidirectional growth of epitaxial tantalum disulfide triangle crystals grown on sapphire by chemical vapour deposition with a separate-flow system

   CrystEngComm, , vol.26(p.341 - 348), 2024.01, YANASE Takashi, EBASHI Miu, TAKAMURE Kotaro, ISE Wataru, WAIZUMI Hiroki, CHIKAMATSU Akira, HIROSE Yasushi, SHIMADA Toshihiro, Original, Research paper (scientific journal), Coauthor

5. 層状酸化物単結晶薄膜のトポケミカルフッ化反応と電子物性変化

   表面と真空, , vol.66(8)(p.455 - 460), 2023.08, 近松　彰, Survey, Research paper (scientific journal), Single Author

6. La4Ga2S8O3: A Rare-Earth Gallium Oxysulfide with Disulfide Ions

   Inorganic Chemistry, , vol.62(26)(p.10481 - 10489), 2023.07, HONG Yan, FUJII Kotaro, KABBOUR Houria, CHIKAMATSU Akira, MENG Yu, MATSUSHITA Yoshitaka, YASHIMA Masatomo, YAMAURA Kazunari, TSUJIMOTO Yoshihiro, Original, Research paper (scientific journal), Coauthor

7. Anisotropic proton conduction in double-perovskite GdBaCo2O5.5

   Applied Physics Letters, , vol.123(p.012902-1 - 012902-5), 2023.07, KATAYAMA Tsukasa, MAGARA Kento, CHIKAMATSU Akira, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

8. Solid phase epitaxy of perpendicular magnetic BaFe12O19 flexible sheets on a mica substrate

   Japanese Journal of Applied Physics, , vol.62(6)(p.065505-1 - 065505-4), 2023.06, KATAYAMA Tsukasa, MO Shishin, CHIKAMATSU Akira, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

9. Grain engineered polar-axis-oriented epitaxial Mn2Mo3O8 films with enhanced magnetic transition temperature

   Journal of Materials Chemistry C, , vol.11(p.7427 - 7432), 2023.05, MO Shishin, KATAYAMA Tsukasa, CHIKAMATSU Akira, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

10. Half-Metallicity and Magnetic Anisotropy in Double-Perovskite GdBaCo2O6 Films Prepared via Topotactic Oxidation

    Chemistry of Materials, , vol.35(3)(p.1295 - 1300), 2023.02, KATAYAMA Tsukasa, MO Shishin, CHIKAMATSU Akira, KURAUCHI Yuji, KUMIGASHIRA Hiroshi, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

11. Negative magnetoresistance in different nitrogen content EuNbO3-xNx single-crystalline thin films

    Journal of Materials Chemistry C, , vol.10(p.14661 - 14667), 2022.10, MARUYAMA Takahiro, HIROSE Yasushi, KATAYAMA Tsukasa, SUGISAWA Yuki, SEKIBA Daiichiro, HASEGAWA Tetsuya, CHIKAMATSU Akira, Original, Research paper (scientific journal), Capital Author

12. Epitaxial growth of hexagonal GdFeO3 thin films with magnetic order by pulsed laser deposition

    Thin Solid Films, , vol.757(p.139409-1 - 139409-4), 2022.08, KASAHARA Jun, KATAYAMA Tsukasa, CHIKAMATSU Akira, HAMASAKI Yosuke, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

13. Ionic order and magnetic properties of double-perovskite GdBaCo2O5.5 films on SrTiO3 substrates

    Journal of the Ceramic Society of Japan, , vol.130(7)(p.429 - 431), 2022.07, KATAYAMA Tsukasa, CHIKAMATSU Akira, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

14. Crystal structure and electronic property modification of Ca₂RuO₄ thin films via fluorine doping

    Physical Review Materials, , vol.6(3)(p.035002-1 - 035002-5), 2022.03, FUKUMA Shota, CHIKAMATSU Akira, KATAYAMA Tsukasa, MARUYAMA Takahiro, YANAGISAWA Keiich, KIMOTO Koji, KITAMURA Miho, HORIBA Koji, KUMIGASHIRA Hiroshi, HIROSE Yasushi, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

15. Photo-induced antiferromagnetic-ferromagnetic and spin-state transition in a double-perovskite cobalt oxide thin film

    Communications Physics, , vol.5(50)(p.1 - 9), 2022.03, ZHANG Yujun, KATAYAMA Tsukasa, CHIKAMATSU Akira, SCHUBLER-LANGEHEINE Christian, PONTIUS Niko, HIRATA Yasuyuki, TAKUBO Kou, YAMAGAMI Kohei, IKEDA Keisuke, YAMAMOTO Kohei, HASEGAWA Tetsuya, WADATI Hiroki, Original, Research paper (scientific journal), Coauthor

16. Improvement of electric insulation in dielectric layered perovskite nickelate films via fluorination

    Journal of Materials Chemistry C, , vol.10(p.1711 - 1717), 2022.02, NISHIMURA Takuma, KATAYAMA Tsukasa, MO Shishin, CHIKAMATSU Akira, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

17. Heteroepitaxial Growth of a Ta₃N₅ Thin Film with Clear Anisotropic Optical Properties

    The Journal of Physical Chemistry Letters, , vol.12(p.12323 - 12328), 2021.12, WANG Yannan, HIROSE Yasushi, WAKASUGI Takuto, MASUBUCHI Yuji, TSUCHII Masato, SUGISAWA Yuki, SEKIBA Daiichiro, CHIKAMATSU Akira, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

18. Epitaxial-Strain-Induced Spontaneous Magnetization in Polar Mn₂Mo₃O₈

    Chemistry of Materials, , vol.33(19)(p.7713 - 7718), 2021.10, MO Shishin, KATAYAMA Tsukasa, CHIKAMATSU Akira, KITAMURA Miho, HORIBA Koji, KUMIGASHIRA Hiroshi, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

19. Ionic Order Engineering in Double-Perovskite Cobaltite

    Chemistry of Materials, , vol.33(14)(p.5675 - 5680), 2021.07, KATAYAMA Tsukasa, CHIKAMATSU Akira, ZHANG Yujun, YASUI Shintaro, WADATI Hiroki, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

20. Heavy carrier doping by hydrogen in the spin-orbit coupled Mott insulator Sr₂IrO₄

    Physical Review B, , vol.104(4)(p.L041111-1 - L041111-7), 2021.07, YAMASHITA Y., LIM G., MARUYAMA T., CHIKAMATSU A., HASEGAWA T., OGINO H., OZAWA T., WILDE M., FUKUTANI K., TERASHIMA T., OCHI M., KUROKI K., KITAGAWA H., MAESATO M., Original, Research paper (scientific journal), Coauthor

21. Synthesis and magnetism of MoCo₂O₄ spinel thin films

    Thin Solid Films, , vol.728(p.138696-1 - 138696-4), 2021.06, KATAYAMA Tsukasa, MO Shishin, KURAUCHI Yuji, CHIKAMATSU Akira, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

22. Flux Crystal Growth, Crystal Structure, and Magnetic Properties of a Ternary Chromium Disulfide Ba₉Cr₄S₁₉ with Unusual Cr₄S₁₅ Tetramer Units

    ACS Omega, , vol.6(10)(p.6842 - 6847), 2021.03, YAN Hong, MATSUSHITA Yoshitaka, CHIKAMATSU Akira, HASEGAWA Tetsuya. YAMAURA Kazunari, TSUJIMOTO Yoshihiro, Original, Research paper (scientific journal), Coauthor

23. Room-Temperature Antiferroelectricity in Multiferroic Hexagonal Rare-Earth Ferrites

    ACS Applied Materials & Interfaces, , vol.13(3)(p.4230 - 4235), 2021.01, KASAHARA Jun, KATAYAMA Tsukasa, MO Shishin, CHIKAMATSU Akira, HAMASAKI Yosuke, YASUI Shintaro, ITOH Mitsuru, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

24. Investigation of the electronic states of A-site layer-ordered double perovskite YBaCo₂O_x (x = 5.3 and 6) thin films by X-ray spectroscopy

    Applied Physics Letters, , vol.118(1)(p.012401-1 - 012401-4), 2021.01, CHIKAMATSU Akira, KATAYAMA Tsukasa, MARUYAMA Takahiro, KITAMURA Miho, HORIBA Koji, KUMIGASHIRA Hiroshi, WADATI Hiroki, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

25. Strain-induced creation and switching of anion vacancy layers in perovskite oxynitrides

    Nature Communications, , vol.11(p.5923-1 - 5923-8), 2020.12, YAMAMOTO Takafumi, CHIKAMATSU Akira, KITAGAWA Shunsaku, IZUMO Nana, YAMASHITA Shunsuke, TAKATSU Hiroshi, OCHI Masayuki, MARUYAMA Takahiro, NAMBA Morito, SUN Wenhao, NAKASHIMA Takahide, TAKIRI Fumitaka, FUJII Kotaro, YASHIMA Masatomo, SUGISAWA Yuki, SANO Masahito, HIROSE Yasushi, SEKIBA Daiichiro, BROWN M. Craig, HONDA Takashi, IKEDA Kazutaka, OTOMO Toshiya, KUROKI Kazuhiko, ISHIDA Kenji, MORI Takao, KIMOTO Koji, HASEGAWA Tetsuya, KAGEYAMA Hiroshi, Original, Research paper (scientific journal), Coauthor

26. Strain-induced structural transition of rutile type ReO₂ epitaxial thin films

    Applied Physics Letters, , vol.117(p.111903-1 - 111903-4), 2020.09, SHIBATA Shunsuke, HIROSE Yasushi, CHIKAMATSU Akira, IKENAGA Eiji, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

27. Simple Method to Obtain Large‐Size Single‐Crystalline Oxide Sheets

    Advanced Functional Materials, , vol.30(28)(p.2001236-1 - 2001236-6), 2020.07, GU Ke, KATAYAMA Tsukasa, YASUI Shintaro, CHIKAMATSU Akira, YASUHARA Sou, ITOH Mitsuru, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

28. Electronic properties of perovskite strontium chromium oxyfluoride epitaxial thin films fabricated via low-temperature topotactic reaction

    Physical Review Materials, , vol.4(2)(p.025004-1 - 025004-6), 2020.02, CHIKAMATSU Akira, MARUYAMA Takahiro, KATAYAMA Tsukasa, SU Yu, TSUJIMOTO Yoshihiro, YAMAURA Kazunari, KITAMURA Miho, HORIBA Koji, KUMIGASHIRA Hiroshi, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

29. Influence of fluorination on electronic states and electron transport properties of Sr₂IrO₄ thin films

    Journal of Materials Chemistry C, , vol.8(p.8268 - 8274), 2020, MARUYAMA Takahiro, CHIKAMATSU Akira, KATAYAMA Tsukasa, KURAMOCHI Kenta, OGINO Hiraku, KITAMURA Miho, HORIBA Koji, KUMIGASHIRA Hiroshi, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

30. Fluorination and reduction of CaCrO₃ by topochemical methods

    Dalton Transactions, , vol.49(6)(p.1997 - 2003), 2020, JULLIERAT A. Christian, TSUJIMOTO Yoshihiro, CHIKAMATSU Akira, MASUBUCHI Yuji, HASEGAWA Tetsuya, YAMAURA Kazunari, Original, Research paper (scientific journal), Coauthor

31. Two-Dimensional Fluorine Distribution in a Heavily Distorted Perovskite Nickel Oxyfluoride Revealed by First-Principles Calculation

    The Journal of Physical Chemistry C, , vol.123(p.31190 - 31195), 2019.12, KURAUCHI Yuji, KATAYAMA Tsukasa, CHIKAMATSU Akira, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

32. Improved crystalline quality and electric conductivity in infinite-layer SrFeO₂ films through Sm substitution

    Applied Physics Letters, , vol.114(p.232906-1 - 232906-4), 2019.06, KATAYAMA Tsukasa, CHIKAMATSU Akira, KUMIGASHIRA Hiroshi, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

33. p-Type Conductivity and Room-Temperature Ferrimagnetism in Spinel MoFe₂O₄ Epitaxial Thin Film

    Crystal Growth & Design, , vol.19(p.902 - 906), 2019.02, KATAYAMA Tsukasa, KURAUCHI Yuji, MO Shishin, GU Ke, CHIKAMATSU Akira, GALIULLINA Lyaysan, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

34. Reactive solid phase epitaxy of layered aurivillius-type oxyfluorides Bi₂TiO₄F₂ using polyvinylidene fluoride

    Dalton Transactions, , vol.48(p.5425 - 5428), 2019, KATAYAMA Tsukasa, MO Shishin, MARUYAMA Takahiro, CHIKAMATSU Akira, HASEGWA Tetsuya, Original, Research paper (scientific journal), Coauthor

35. Selective fluorination of perovskite iron oxide/ruthenium oxide heterostructures via a topotactic reaction

    Chemical Communications, , vol.55(p.2437 - 2440), 2019, CHIKAMATSU Akira, SUZUKI Yusuke, MARUYAMA Takahiro, ONOZUKA Tomoya, KATAYAMA Tsukasa, OGAWA Daisuke, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

36. Strain-enhanced topotactic hydrogen substitution for oxygen in SrTiO₃ epitaxial thin film

    Applied Physics Letters, , vol.113(p.253104-1 - 253104-5), 2018.12, KUTSUZAWA Dai, HIROSE Yasushi, CHIKAMATSU Akira, NAKAO Shoichiro, WATAHIKI Yumi, HARAYAMA Isao, SEKIBA Daiichiro, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

37. Fabrication of Fluorite-Type Fluoride Ba_0.5Bi_0.5F_2.5 Thin Films by Fluorination of Perovskite BaBiO₃ Precursors with Poly(vinylidene fluoride)

    ACS Omega, , vol.3(p.13141 - 13145), 2018.10, CHIKAMATSU Akira, KAWAHARA Keisuke, SHIINA Takaaki, ONOZUKA Tomoya, KATAYAMA Tsukasa, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

38. Magnetotransport properties of perovskite EuNbO₃ single-crystalline thin films

    Applied Physics Letters, , vol.113(p.032401-1 - 032401-4), 2018.07, MARUYAMA Takahiro, CHIKAMATSU Akira, ONOZUKA Tomoya, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

39. Spectroscopic and theoretical investigation of the electronic states of layered perovskite oxyfluoride Sr₂RuO₃F₂ thin films

    Physical Review B, , vol.97(p.235101-1 - 235101-7), 2018.06, CHIKAMATSU Akira, KURAUCHI Yuji, KAWAHARA Keisuke, ONOZUKA Tomoya, MINOHARA Makoto, KUMIGASHIRA Hiroshi, IKENAGA Eiji, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

40. Structural and electrical properties of lanthanum copper oxide epitaxial thin films with different domain morphologies

    CrystEngComm, , vol.20(34)(p.5012 - 5016), 2018, ONOZUKA Tomoya, CHIKAMATSU Akira, HIROSE Yasushi, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

41. Ferromagnetism with strong magnetocrystalline anisotropy in A-site ordered perovskite YBaCo₂O₆ epitaxial thin films prepared via wet-chemical topotactic oxidation

    Journal of Materials Chemistry C, , vol.6(13)(p.3445 - 3450), 2018, KATAYAMA Tsukasa, CHIKAMATSU Akira, HIROSE Yasushi, MINOHARA Makoto, KUMIGASHIRA Hiroshi, HARAYAMA Isao, SEKIBA Daiichiro, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

42. First-Principles Calculations on the Crystal/Electronic Structure and Phase Stability of H-Doped SrFeO₂

    The Journal of Physical Chemistry C, , vol.121(13)(p.7478 - 7484), 2017.04, KURAUCHI Yuji, KAMISAKA Hideyuki, KATAYAMA Tsukasa, CHIKAMATSU Akira, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

43. Reversible Changes in Resistance of Perovskite Nickelate NdNiO₃ Thin Films Induced by Fluorine Substitution

    ACS Applied Materials & Interfaces, , vol.9(12)(p.10882 - 10887), 2017.03, ONOZUKA Tomoya, CHIKAMATSU Akira, KATAYAMA Tsukasa, HIROSE Yasushi, HARAYAMA Isao, SEKIBA Daiichiro, IKENAGA Eiji, MINOHARA Makoto, KUMIGASHIRA Hiroshi, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

44. Topotactic fluorination of perovskite strontium ruthenate thin films using polyvinylidene fluorideTopotactic fluorination of perovskite strontium ruthenate thin films using polyvinylidene fluoride

    CrystEngComm, , vol.19(2)(p.313 - 317), 2017, KAWAHARA K., CHIKAMATSU A., KATAYAMA T., ONOZUKA T., OGAWA D., MORIKAWA K., IKENAGA E., HIROSE Y., HARAYAMA I., SEKIBA D., FUKUMURA T., HASEGAWA T., Original, Research paper (scientific journal), Capital Author

45. Epitaxial growth and electronic structure of oxyhydride SrVO₂H thin films

    Journal of Applied Physics, , vol.120(8)(p.085305-1 - 085305-5), 2016.08, KATAYAMA Tsukasa, CHIKAMATSU Akira, YAMADA Keisuke, SHIGEMATSU Kei, ONOZUKA Tomoya, MINOHARA Makoto, KUMIGASHIRA Hiroshi, IKENAGA Eiji, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

46. Topotactic reductive synthesis of A-site cation-ordered perovskite YBaCo₂O_x (x = 4.5–5.5) epitaxial thin films

    Japanese Journal of Applied Physics, , vol.55(4)(p.04EJ05-1 - 04EJ05-4), 2016.04, KATAYAMA Tsukasa, CHIKAMATSU Akira, FUKUMURA Tomoteru, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

47. Experimental and theoretical investigation of electronic structure of SrFeO_3−xF_x epitaxial thin films prepared via topotactic reaction

    Applied Physics Express, , vol.9(2)(p.025801-1 - 025801-4), 2016.02, KATAYAMA Tsukasa, CHIKAMATSU Akira, KAMISAKA Hideyuki, KUMIGASHIRA Hiroshi, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

48. Formation of defect-fluorite structured NdNiO_xH_y epitaxial thin films via a soft chemical route from NdNiO₃ precursors

    Dalton Transactions, , vol.45(30)(p.12114 - 12118), 2016, ONOZUKA T., CHIKAMATSU A., KATAYAMA T., FUKUMURA T., HASEGAWA T., Original, Research paper (scientific journal), Capital Author

49. Topotactic synthesis of strontium cobalt oxyhydride thin film with perovskite structure

    AIP Advances, , vol.5(10)(p.107147-1 - 107147-7), 2015.10, KATAYAMA Tsukasa, CHIKAMATSU Akira, KAMISAKA Hideyuki, YOKOYAMA Yuichi, HIRATA Yasuyuki, WADATI Hiroki, FUKUMURA Tomoteru, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

50. Effects of Cr substitution on the magnetic and transport properties and electronic states of SrRuO₃ epitaxial thin films

    Physical Review B, , vol.92(11)(p.115153-1 - 115153-6), 2015.09, KURITA Kaori, CHIKAMATSU Akira, SHIGEMATSU Kei, KATAYAMA Tsukasa, KUMIGASHIRA Hiroshi, FUKUMURA Tomoteru, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

51. Topotactic reductive fluorination of strontium cobalt oxide epitaxial thin films

    Journal of Sol-Gel Science and Technology, , vol.73(3)(p.527 - 530), 2015.03, KATAYAMA Tsukasa, CHIKAMATSU Akira, HIROSE Yasushi, FUKUMURA Tomoteru, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

52. Metallic transport and large anomalous Hall effect at room temperature in ferrimagnetic Mn₄N epitaxial thin film

    Applied Physics Letters, , vol.105(7)(p.072410-1 - 072410-3), 2014.08, SHEN Xi, CHIKAMATSU Akira, SHIGEMATSU Kei, HIROSE Yasushi, FUKUMURA Tomoteru, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

53. Topotactic fluorination of strontium iron oxide thin films using polyvinylidene fluoride

    Journal of Materials Chemistry C, , vol.2(27)(p.5350 - 5356), 2014.07, KATAYAMA T., CHIKAMATSU A., HIROSE Y., TAKAGI R., KAMISAKA H., FUKUMURA T., HASEGAWA T., Original, Research paper (scientific journal), Capital Author

54. Sr₂MgMoO_6-delta thin films fabricated using pulsed-laser deposition with high concentrations of oxygen vacancies

    Applied Physics Letters, , vol.104(26)(p.261901-1 - 261901-4), 2014.06, SHIGEMATSU K., CHIKAMATSU A., FUKUMURA T., TOYODA S., IKENAGA E., HASEGAWA T., Original, Research paper (scientific journal), Capital Author

55. Metallic conductivity in infinite-layer strontium iron oxide thin films reduced by calcium hydride

    Journal of Physics D - Applied Physics, , vol.47(13)(p.135304-1 - 135304-6), 2014.04, KATAYAMA T., CHIKAMATSU A., HIROSE Y., KUMIGASHIRA H., FUKUMURA T., HASEGAWA T., Original, Research paper (scientific journal), Capital Author

56. Structural Variation in Ag-Co Nanostructures Embedded in TiO₂ Thin Films Fabricated by Pulsed Laser Deposition

    Chemistry Letters, , vol.5(1)(p.225 - 227), 2014.02, WATANABE Anri, IKEMIYA Katsura, CHIKAMATSU Akira,HIROSE Yasushi, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

57. Photoelectrochemical Behavior of Self-Assembled Ag/Co Plasmonic Nanostructures Capped with TiO₂

    The Journal of Physical Chemistry Letters, , vol.5(1)(p.25 - 29), 2014.01, WATANABE Anri, KOTAKE Yuki, KAMATA Yoshiomi, CHIKAMATSU Akira, UENO Kosei, MISAWA Hiroaki, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

58. X-ray absorption and magnetic circular dichroism characterization of Fe-doped TiO_2-δ thin films

    Journal of Magnetism and Magnetic Materials, , vol.333(p.130 - 133), 2013.05, SAKAI Enju, AMEMIYA Kenta, CHIKAMATSU Akira, HIROSE Yasushi, SHIMADA Toshihiro, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

59. Electronic and transport properties of Eu-substituted infinite-layer strontium ferrite thin films

    Journal of Crystal Growth, , vol.378(p.165 - 167), 2013, CHIKAMATSU Akira, MATSUYAMA Toshiya, KATAYAMA Tsukasa, HIROSE Yasushi, KUMIGASHIRA Hiroshi, OSHIMA Masaharu, FUKUMURA Tomoteru, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

60. Enhanced coercivity of half-metallic La_0.7Sr_0.3MnO₃ by Ru substitution under in-plane uniaxial strain

    Journal of Applied Physics, , vol.111(7)(p.07B102-1 - 07B102-3), 2012.04, SHIGEMATSU K., CHIKAMATSU A., HIROSE Y., FUKUMURA T., HASEGAWA T., Original, Research paper (scientific journal), Capital Author

61. Investigation of electronic states of infinite-layer SrFeO₂ epitaxial thin films by X-ray photoemission and absorption spectroscopies

    Journal of Electron Spectroscopy and Related Phenomena, , vol.184(11-12)(p.547 - 550), 2012.01, CHIKAMATSU Akira, MATSUYAMA Toshiya, HIROSE Yasushi, KUMIGASHIRA Hiroshi, OSHIMA Masaharu, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

62. Carrier compensation mechanism in heavily Nb-doped anatase Ti_1-xNb_xO_2+delta epitaxial thin films

    Journal of Physics D - Applied Physics, , vol.44(36)(p.365404-1 - 365404-6), 2011.09, NOGAWA H., CHIKAMATSU A., HIROSE Y., NAKAO S., KUMIGASHIRA H., OSHIMA M., HASEGAWA T., Original, Research paper (scientific journal), Capital Author

63. Modified Surface Electronic and Magnetic Properties of La_0.6Sr_0.4MnO₃ Thin Films for Spintronics Applications

    The Journal of Physical Chemistry C, , vol.115(34)(p.16947 - 16953), 2011.09, LI Fenghong, ZHAN Yiqiang, LEE Tsung-Hsun, LIU Xianjie, CHIKAMATSU Akira, GUO Tzung-Fang, LIN Hong-Ji, HUANG J. C. A., FAHLMAN Mats, Original, Research paper (scientific journal), Coauthor

64. Carrier Doping into SrFeO₂ Epitaxial Thin Films by Eu-Substitution

    Applied Physics Express, , vol.4(1)(p.013001-1 - 013001-3), 2011.01, MATSUYAMA Toshiya, CHIKAMATSU Akira, HIROSE Yasushi, FUKUMURA Tomoteru, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Capital Author

65. Transport properties and electronic states of anatase Ti_1-xW_xO₂ epitaxial thin films

    Journal of Applied Physics, , vol.107(2)(p.023705-1 - 023705-4), 2010.01, TAKEUCHI Utahito, CHIKAMATSU Akira, HITOSUGI Taro, KUMIGASHIRA Hiroshi, OSHIMA Masaharu, HIROSE Yasushi, SHIMADA Toshihiro, HASEGAWA Tetsuya , Original, Research paper (scientific journal), Capital Author

66. Magnetic and Transport Properties of Anatase TiO₂ Codoped with Fe and Nb

    Applied Physics Express, , vol.3(4)(p.043001-1 - 043001-3), 2010, SAKAI Enju, CHIKAMATSU Akira, HIROSE Yasushi, SHIMADA Toshihiro, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

67. Carrier Compensation by Excess Oxygen Atoms in Anatase Ti_0.94Nb_0.06O_2+delta Epitaxial Thin Films

    Japanese Journal of Applied Physics, , vol.49(4)(p.041102-1 - 041102-4), 2010, NOGAWA Hiroyuki, HITOSUGI Taro, CHIKAMATSU Akira, NAKAO Shoichiro, HIROSE Yasushi, SHIMADA Toshihiro, KUMIGASHIRA Hiroshi, OSHIMA Masaharu, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

68. Direct Observation of Gas Phase Nucleation during Physical Vapor Transport Growth of Organic Single Crystals Using a Transparent Furnace

    Japanese Journal of Applied Physics, , vol.48(11)(p.118003-1 - 118003-2), 2009.11, MIYAMOTO Sawako, SHIMADA Toshihiro, OHTOMO Manabu, CHIKAMATSU Akira, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

69. Pressure-induced change in the electronic structure of epitaxially strained La_1-xSr_xMnO₃ thin films

    Physical Review B, , vol.80(13)(p.132406-1 - 132406-4), 2009.10, HORIBA K., MANIWA A., CHIKAMATSU A., YOSHIMATSU K., KUMIGASHIRA H., WADATI H., FUJIMORI A., UEDA S., YOSHIKAWA H., IKENAGA E., KIM J. J., KOBAYASHI K., OSHIMA M. Oshima, Original, Research paper (scientific journal), Coauthor

70. Madelung potentials and covalency effect in strained La_1-xSr_xMnO₃ thin films studied by core-level photoemission spectroscopy

    Physical Review B, , vol.80(12)(p.125107-1 - 125107-4), 2009.09, WADATI H., MANIWA A., CHIKAMATSU A., KUMIGASHIRA H., OSHIMA M., MIZOKAWA T., FUJIMORI A., SAWATZKY G. A., Original, Research paper (scientific journal), Coauthor

71. Systematic Analysis of ARPES Spectra of Transition-Metal Oxides: Nature of Effective d Band

    Journal of the Physical Society of Japan, , vol.78(9)(p.094709-1 - 094709-4), 2009.09, WADATI Hiroki, CHIKAMATSU Akira, TAKIZAWA Masaru, KUMIGASHIRA Hiroshi, YOSHIDA Teppei, MIZOKAWA Takashi, FUJIMORI Atsushi, OSHIMA Masaharu, HAMADA Noriaki, Original, Research paper (scientific journal), Coauthor

72. In situ photoemission study of Nd_1-xSr_xMnO₃ epitaxial thin films

    Physical Review B, , vol.79(15)(p.153106-1 - 153106-4), 2009.04, WADATI H., CHIKAMATSU A., KUMIGASHIRA H., FUJIMORI A., OSHIMA M., LIPPMAA M., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Coauthor

73. Electronic Band Structure of Transparent Conductor: Nb-Doped Anatase TiO₂

    Applied Physics Express, , vol.1(11)(p.111203-1 - 111203-3), 2008.11, HITOSUGI Taro, KAMISAKA Hideyuki, YAMASHITA Koichi, NOGAWA Hiroyuki, FURUBAYASHI Yutaka, NAKAO Shoichiro, YAMADA Naoomi, CHIKAMATSU Akira, KUMIGASHIRA Hiroshi, OSHIMA Masaharu, HIROSE Yasushi, SHIMADA Toshihiro, HASEGAWA Tetsuya, Original, Research paper (scientific journal), Coauthor

74. In situ photoemission study of Pr_1-xCa_xMnO₃ epitaxial thin films with suppressed charge fluctuations

    Physical Review Letters, , vol.100(2)(p.026402-1 - 026402-4), 2008.01, WADATI H., MANIWA A., CHIKAMATSU A., OHKUBO I., KUMIGASHIRA H., OSHIMA M., FUJIMORI A., LIPPMAA M., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Coauthor

75. Gradual disappearance of the Fermi surface near the metal-insulator transition in La_1-xSr_xMnO₃ thin films

    Physical Review B, , vol.76(20)(p.201103-1 - 201103-4), 2007.11, CHIKAMATSU A., WADATI H., KUMIGASHIRA H., OSHIMA M., FUJIMORI A., LIPPMAA M., ONO K., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Capital Author

76. Photoemission study of perovskite-type manganites with stripe ordering

    Journal of Superconductivity and Novel Magnetism, , vol.20(7-8)(p.543 - 546), 2007.11, EBATA K., WADATI H., TAKIZAWA M., MAEKAWA K., FUJIMORI A., CHIKAMATSU A., KUMIGASHIRA H., OSHIMA M., TOMIOKA Y., KUWAHARA H., TOKURA Y., Original, Research paper (scientific journal), Coauthor

77. Temperature-dependence of the electronic structure of La_1-xSr_xMnO₃ thin films studied by in situ photoemission spectroscopy

    Journal of Electron Spectroscopy and Related Phenomena, , vol.156(p.375 - 378), 2007.05, HORIBA K., CHIKAMATSU A., KUMIGASHIRA H., OSHIMA M., WADATI H., FUJIMORI A., LIPPMAA M., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Coauthor

78. In situ angle-resolved photoemission study of half-metallic La_0.6Sr_0.4MnO₃ thin films

    Journal of Magnetism and Magnetic Materials, , vol.310(2)(p.1030 - 1032), 2007.03, CHIKAMATSU A., WADATI H., KUMIGASHIRA H., OSHIMA M., FUJIMORI A., HAMADA N., OHNISHI T., LIPPMAA M., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Capital Author

79. In situ photoemission characterization of the tunneling barrier in La_0.6Sr_0.4MnO₃SrTiO₃/La_0.6Sr_0.4MnO₃ tunneling junctions

    Journal of Magnetism and Magnetic Materials, , vol.310(2)(p.1997 - 1999), 2007.03, Original, Research paper (scientific journal), Coauthor

80. Strong localization of doped holes in La_1-xSr_xFeO₃ from angle-resolved photoemission spectra

    Physical Review B, , vol.74(11)(p.115114-1 - 115114-5), 2006.09, WADATI H., CHIKAMATSU A., TAKIZAWA M., HASHIMOTO R., KUMIGASHIRA H., YOSHIDA T., MIZOKAWA T., FUJIMORI A., OSHIMA M., LIPPMAA M., KAWASAKI M., KOINUMA H. , Original, Research paper (scientific journal), Coauthor

81. Angle-resolved photoemission spectroscopy of perovskite-type transition-metal oxides and their analyses using tight-binding band structure

    Phase Transitions, , vol.79(8)(p.617 - 635), 2006.08, WADATI H., YOSHIDA T., CHIKAMATSU A., KUMIGASHIRA H., OSHIMA M., EISAKI H., SHEN Z. X., MIZOKAWA T., FUJIMORI A. , Original, Research paper (scientific journal), Coauthor

82. Photoemission from buried interfaces in SrTiO₃/LaTiO₃ superlattices

    Physical Review Letters, , vol.97(5)(p.057601-1 - 057601-4), 2006.08, TAKIZAWA M., WADATI H., TANAKA K., HASHIMOTO M., YOSHIDA T., FUJIMORI A., CHIKAMATSU A., KUMIGASHIRA H., OSHIMA M., SHIBUYA K., MIHARA T., OHNISHI T., LIPPMAA M., KAWASAKI M., KOINUMA H., OKAMOTO S., MILLIS A. J. , Original, Research paper (scientific journal), Coauthor

83. Chemical potential shift and spectral-weight transfer in Pr_1-xCa_xMnO₃ revealed by photoemission spectroscopy

    Physical Review B, , vol.74(6)(p.064419-1 - 064419-6), 2006.08, EBATA K., WADATI H., TAKIZAWA M., FUJIMORI A., CHIKAMATSU A., KUMIGASHIRA H., OSHIMA M., TOMIOKA Y., TOKURA Y., Original, Research paper (scientific journal), Coauthor

84. Band structure and Fermi surface of La_0.6Sr_0.4MnO₃ thin films studied by in situ angle-resolved photoemission spectroscopy

    Physical Review B, , vol.73(19)(p.195105-1 - 195105-7), 2006.05, CHIKAMATSU A., WADATI H., KUMIGASHIRA H., OSHIMA M., FUJIMORI A., HAMADA N., OHNISHI T., LIPPMAA M., ONO K., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Capital Author

85. Temperature-dependent soft X-ray photoemission and absorption studies of charge disproportionation in La_1-xSr_xFeO₃

    Journal of the Physical Society of Japan, , vol.75(5)(p.054704-1 - 054704-6), 2006.05, WADATI Hiroki, CHIKAMATSU Akira, HASHIMOTO Ryuji, TAKIZAWA Masaru, KUMIGASHIRA Hiroshi, FUJIMORI Atsushi, LIPPMAA Mikk, KAWASAKI Masashi, KOINUMA Hideomi, Original, Research paper (scientific journal), Coauthor

86. Robust Ti⁴⁺ states in SrTiO₃ layers of La_0.6Sr_0.4MnO₃/SrTiO₃/La_0.6Sr_0.4MnO₃ junctions

    Applied Physics Letters, , vol.88(19)(p.192504-1 - 192504-3), 2006.05, KUMIGASHIRA H., CHIKAMATSU A., HASHIMOTO R., OSHIMA M., OHNISHI T., LIPPMAA M., WADATI H., FUJIMORI A., ONO K., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Coauthor

87. In situ resonant photoemission characterization of La_0.6Sr_0.4MnO₃ layers buried in insulating perovskite oxides

    Journal of Applied Physics, , vol.99(8)(p.08S903-1 - 08S903-3), 2006.04, KUMIGASHIRA H., HASHIMOTO R., CHIKAMATSU A., OSHIMA M., OHNISHI T., LIPPMAA M., WADATI H., FUJIMORI A., ONO K., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Coauthor

88. Valence changes associated with the metal-insulator transition in Bi_1-xLa_xNiO₃

    Physical Review B, , vol.72(15)(p.155103-1 - 155103-5), 2005.10, WADATI H., TAKIZAWA M., TRAN T. T., TANAKA K., MIZOKAWA T., FUJIMORI A., CHIKAMATSU A., KUMIGASHIRA H., OSHIMA M., ISHIWATA S., AZUMA M., TAKANO M., Original, Research paper (scientific journal), Coauthor

89. Manifestation of correlation effects in the photoemission spectra of Ca_1-xSr_xRuO₃

    Physical Review B, , vol.72(6)(p.060404-1 - 060404-4), 2005.08, TAKIZAWA M., TOYOTA D., WADATI H., CHIKAMATSU A., KUMIGASHIRA H., FUJIMORI A., OSHIMA M., FANG Z., LIPPMAA M., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Coauthor

90. In situ angle-resolved photoemission study on La_1-xSr_xMnO₃ thin films grown by laser MBE

    Journal of Electron Spectroscopy and Related Phenomena, , vol.144(p.511 - 514), 2005.06, CHIKAMATSU A., WADATI H., TAKIZAWA M., HASHIMOTO R., KUMIGASHIRA H., OSHIMA M., FUJIMORI A., HAMADA N., OHNISHI T., LIPPMAA M., ONO K., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Capital Author

91. Sr surface segregation and water cleaning for atomically controlled SrTiO₃(001) substrates studied by photoemission spectroscopy

    Journal of Electron Spectroscopy and Related Phenomena, , vol.144(p.443 - 446), 2005.06, KOBAYASHI D., HASHIMOTO R., CHIKAMATSU A., KUMIGASHIRA H., OSHIMA M., OHNISHI T., LIPPMAA M., ONO K., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Coauthor

92. Spectral evidence for inherent "dead layer" formation at La_1-ySr_yFeO₃/La_1-xSr_xMnO₃ heterointerface

    Journal of Electron Spectroscopy and Related Phenomena, , vol.144(p.479 - 481), 2005.06, HASHIMOTO R., CHIKAMATSU A., KUMIGASHIRA H., OSHIMA M., NAKAGAWA N., OHNISHI T., LIPPMAA M., WADATI H., FUJIMORI A., ONO K., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Coauthor

93. In situ photoemission study of La_1-xSr_xFeO₃ epitaxial thin films

    Journal of Electron Spectroscopy and Related Phenomena, , vol.144(p.877 - 880), 2005.06, WADATI H., KOBAYASHI D., CHIKAMATSU A., HASHIMOTO R., TAKIZAWA M., HORIBA K., KUMIGASHIRA H., MIZOKAWA T., FUJIMORI A., OSHIMA M., LIPPMAA M., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Coauthor

94. In vacuo photoemission study of atomically controlled La_1-xSr_xMnO₃ thin films: Composition dependence of the electronic structure

    Physical Review B, , vol.71(15)(p.155420-1 - 155420-8), 2005.04, HORIBA K., CHIKAMATSU A., KUMIGASHIRA H., OSHIMA M., NAKAGAWA N., LIPPMAA M., ONO K., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Coauthor

95. Mössbauer Study on Double Perovskite with Colossal Magneto-Resistance: Chemical Pressure Effect of SrFe_0.5Mo_0.5O₃ substituted with Ba or Ca

    KURRI-KR, , vol.118(p.34 - 47), 2005.04, NOMURA K., RYKOV A., YAMAKOSHI T., YOKOYAMA T., CHIKAMATSU A., HOMONNAY Z., MITSUI T., KATADA M., Original, Research paper (scientific journal), Coauthor

96. Inherent charge transfer layer formation at La_0.6Sr_0.4FeO₃/La_0.6Sr_0.4MnO₃ heterointerface

    Applied Physics Letters, , vol.84(26)(p.5353 - 5355), 2004.06, KUMIGASHIRA H., KOBAYASHI D., HASHIMOTO R., CHIKAMATSU A., OSHIMA M., NAKAGAWA N., OHNISHI T., LIPPMAA M., WADATI H., FUJIMORI A., ONO K., KAWASAKI M., KOINUMA H., Original, Research paper (scientific journal), Coauthor