研究・教育歴
1999.4 | 科学技術振興事業団研究員
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2001.4 | 京都大学化学研究所講師 (研究機関研究員)
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2002.4 | 科学技術振興事業団研究員
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2002.7 | 日本学術振興会特別研究員
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2003.4 | 上智大学理工学部物理学科嘱託助手
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2007.4 | 上智大学理工学部物理学科嘱託助教
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2008.4 | 京都大学化学研究所特定教員(助教)
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2016.4 | 京都大学化学研究所技術職員。現在に至る。
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専門分野
主な研究テーマ
- 遷移金属酸化物の試料合成 (主に薄膜) および物性 (磁性・誘電性・電気伝導性・超伝導)
主な論文・著書
- Y. Hosaka, N. Ichikawa, T. Saito, J.P. Attfield, and Y. Shimakawa,, Charge and spin order in the perovskite CaFe0.5Mn0.5O3: Charge disproportionation behavior of randomly arranged Fe4+ Phys. Rev. B 94, 104429 (2016)
- 真鍋佳典, 市川能也, 齊藤高志, 菅大介, 島川祐一, Aサイト層状ペロブスカイト構造酸化物GdBa(Fe0.5Mn0.5)2Ox(x = 5, 6)の結晶構造とBサイト陽イオン価数 粉体および粉末冶金 63, 33-37 (2016)
- K. Hirai, D. Kan, N. Ichikawa, K. Mibu, Y. Yoda, M. Andreeva, and Y. Shimakawa, Strain-induced significant increase in metal-insulator transition temperature in oxygen-deficient Fe oxide epitaxial thin films Scientific Reports 5, 7894 (2015)
- Y. Hosaka, N. Ichikawa, T. Saito, P. Manuel, D. Khalyavin, J.P. Attfield, and Y. Shimakawa, Two-Dimensional Charge Disproportionation of the Unusual High Valence State Fe4+ in a Layered Double Perovskite J. Am. Chem. Soc. 137, 7468–7473 (2015)
- S. Corallini, M. Ceretti, G. Silly, A. Piovano, S. Singh, J. Stern, C. Ritter, J. Ren, H. Eckert, K. Conder, W. Chen, F.-C. Chou, N. Ichikawa, Y. Shimakawa, and W. Paulus, One-Dimensional Oxygen Diffusion Mechanism in Sr2ScGaO5 Electrolyte Explored by Neutron and Synchrotron Diffraction, 17O NMR, and Density Functional Theory Calculations J. Phys. Chem. C 119, 11447–11458 (2015)
- Y. Hosaka, N. Ichikawa, T. Saito, M. Haruta, K. Kimoto, H. Kurata, and Y. Shimakawa, Ca2FeMnO6: A Layered Double Perovskite with Unusual High-Valence Fe4+ in a Layered Arrangement Bull. Chem. Soc. Jpn. 88, 657–661 (2015)
- N. Murakami, D. Kan, N. Ichikawa, and Y. Shimakawa, Low-temperature reduction of brownmillerite CaFeO2.5 in LaAlO3/ CaFeO2.5 heterostructures made on SrTiO3 Dalton Trans. 43, 14596-14599 (2014)
- K. Hirai, D. Kan, R. Aso, N. Ichikawa, H. Kurata, and Y. Shimakawa, Anisotropic in-plane lattice strain relaxation in brownmillerite SrFeO2.5 epitaxial thin films J. Appl. Phys. 114, 053514–6 (2013)
- K. Matsumoto, D. Kan, N. Ichikawa, S. Hosokawa, H. Kageyama, and Y. Shimakawa, Oxygen Incorporation into Infinite-layer Structure AFeO2 (A = Sr or Ca) Chem. Lett. 42, 732–734 (2013)
- Y. Kobayashi, Z. Li, K. Hirai, C. Tassel, F. Loyer, N. Ichikawa, N. Abe, T. Yamamoto, Y. Shimakawa, K. Yoshimura, M. Takano, O.J. Hernandez, and H. Kageyama, Gas phase contributions to topochemical hydride reduction reactions J. Solid State Chem. 207, 190–193 (2013)
- N. Ichikawa, M. Iwanowska, M. Kawai, C. Calers, W. Paulus, and Y. Shimakawa, Reduction and oxidation of SrCoO2.5 thin films at low temperatures Dalton Trans. 41, 10507-10510 (2012)
- S.B. Wilkins, M.P.M. Dean, J. Fink, M. Hücker, J. Geck, V. Soltwisch, E. Schierle, E. Weschke, G. Gu, S. Uchida, N. Ichikawa, J.M. Tranquada, and J.P. Hill, Comparison of stripe modulations in La1.875Ba0.125CuO4 and La1.48Nd0.4Sr0.12CuO4 Phys. Rev. B 84, 195101 (2011)
- K. Matsumoto, M. Haruta, M. Kawai, A. Sakaiguchi, N. Ichikawa, H. Kurata, and Y. Shimakawa, Selective reduction of layers at low temperature in artificial superlattice thin films Scientific Reports 1, 27 (2011)
- Y. Shimakawa, M. Azuma, and N. Ichikawa, Multiferroic Compounds with Double-Perovskite Structures Materials 4, 153-168 (2011)
- S.B. Wilkins, M.P.M. Dean, J. Fink, M. Hücker, J. Geck, V. Soltwisch, E. Schierle, E. Weschke, G. Gu, S. Uchida, N. Ichikawa, J.M. Tranquada, and J.P. Hill, Comparison of stripe modulations in La1.875Ba0.125CuO4 and La1.48Nd0.4Sr0.12CuO4 Phys. Rev. B 84, 195101 (2011)
- K. Matsumoto, M. Haruta, M. Kawai, A. Sakaiguchi, N. Ichikawa, H. Kurata, and Y. Shimakawa, Artificial Superlattice Thin Film of Infinite-Layer Structure [CaFeO2]/[SrFeO2] Appl. Phys. Express 3, 105601 (2010)
- S. Inoue, M. Kawai, N. Ichikawa, H. Kageyama, W. Paulus, and Y. Shimakawa, Anisotropic oxygen diffusion at low temperature in perovskite-structure iron oxides Nat. Chem. 2, 213-217 (2010)
- M. Kawai, K. Ito, N. Ichikawa, and Y. Shimakawa, Thermally formed conducting filaments in a single-crystalline NiO thin film Appl. Phys. Lett. 96, 072106-3 (2010)
- Y. Shimakawa, S. Inoue, M. Haruta, M. Kawai, K. Matsumoto, A. Sakaiguchi, N. Ichikawa, S. Isoda, and H. Kurata, Topotactic Changes in Thin Films of Brownmillerite SrFeO2.5 Grown on SrTiO3 Substrates to Infinite-Layer Structure SrFeO2 Crystal Growth & Design 10, 4713-4715 (2010)
- 島川祐一, 東正樹, 市川能也, ダブルペロブスカイト構造マルチフェロイック酸化物 マテリアルインテグレーション 22, 9 (2009)
- M. Kawai, S. Inoue, M. Mizumaki, N. Kawamura, N. Ichikawa, and Y. Shimakawa, Reversible changes of epitaxial thin films from perovskite LaNiO3 to infinite-layer structure LaNiO2 Appl. Phys. Lett. 94, 082102-3 (2009)
- Y. Shimakawa, S. Inoue, M. Kawai, N. Ichikawa, M. Mizumaki, and N. Kawamura, Single-crystal thin films of SrFeO2 and LaNiO2 with infinite-layer structures Mat. Res. Soc. Proc. 1148E, PP07-08 (2009)
- N. Ichikawa, M. Arai, Y. Imai, K. Hagiwara, H. Sakama, M. Azuma, Y. Shimakawa, M. Takano, Y. Kotaka, M. Yonetani, H. Fujisawa, M. Shimizu, K. Ishikawa, and Y. Cho, Ferromagnetism and ferroelectricity in BiFeO3/BiCrO3 artificial 1/1 superlattice Mat. Res. Soc. Proc. 1110E, C06-14 (2009)
- K. Iijima, M. Goto, S. Enomoto, H. Kunugita, K. Ema, M. Tsukamoto, N. Ichikawa, and H. Sakama, Influence of oxygen vacancies on optical properties of anatase TiO2 thin films J. Lumi. 128, 911–913 (2008)
- N. Ichikawa, M. Arai, Y. Imai, K. Hagiwara, H. Sakama, M. Azuma, Y. Shimakawa, M. Takano, Y. Kotaka, M. Yonetani, H. Fujisawa, M. Shimizu, K. Ishikawa, and Y. Cho, Multiferroism at room temperature in BiFeO3/BiCrO3 (111) artificial superlattice Appl. Phys. Express. 1, 101302 (2008)
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