学術論文

1. Nao Manabe, Ayako S. Suzuki, Mei Ninagawa, Hideki Wakabayashi, Naomi Hirayama, Kouichi Niinobe, Yuanbo T. Tang, Satoshi Utada, D. Graham McCartney, Roger C. Reed, Hiroyuki Kitagawa, "Ultralow-Temperature Sintering of Titanium Powder by Spark Plasma Sintering under Cyclic Pressure", Advanced Engineering Materials, 26 (2024) 2400965. DOI:10.1002/adem.202400965
2. Kouichi Niinobe, Hiroyuki Kitagawa, "Microstructural Control of Binary Ti-41Al and Ti-45Al Alloys by Heat Treatment", Journal of the Japan Society for Heat Treatment, 64 (2024) pp.ex47-ex52. DOI:10.14940/netsushori.64.ex47
3. Nao Manabe, Ayako S. Suzuki, Takuya Fujimura, Hiroyuki Kitagawa, "Short Process for Preparing Long-Lasting SrAl₂O₄- and CaAl₂O₄-based Phosphors by Spark Plasma Sintering", Journal of the Japan Society of Powder and Powder Metallurgy, 70 (2023) pp.392-397 (in Japanese). DOI: 10.2497/jjspm.23-00018
4. Kiyotaka Miyoshi, Atsushi Shiota, Takuya Matsuoka, Shijo Nishigori, Hiroyuki Kitagawa, "Pressure-induced superconductivity in lightly doped RFeAsO_1-xF_x (R=Sm and Nd)", Journal of Physics: Conference Series, 2164 (2022) 012007. DOI: 10.1088/1742-6596/2164/1/012007
5. Ayako Suzuki, Hiroyuki Kitagawa, Anh Hoang Pham, Shigekazu Morito, Kotaro Kikuchi, "Effect of the crystal alignment and grain size on the thermoelectric properties of Bi_0.4Sb_1.6Te₃ sintered materials", Materialia, 14 (2020) 100914. DOI: 10.1016/j.mtla.2020.100914
6. Ayako Suzuki, Kotaro Kikuchi, Kosuke Nakano, Hiroyuki Kitagawa, "Low-Temperature Densification of Titanium Powder by Pulse-Current Sintering under Cyclic Uniaxial Pressure", Journal of the Japan Society of Powder and Powder Metallurgy, 67 (2020) pp.525-528 (in Japanese). DOI: 10.2497/jjspm.67.525
7. Ayako Suzuki, Hiroyuki Kitagawa, Kazuaki Hirayama, Anh Hoang Pham, Shigekazu Morito, Takao Etoh, Kotaro Kikuchi, "Effect of Cyclic Uniaxial Pressure in Pulse-Current Sintering on Microstructure of Bi₂Te₃-Based Thermoelectric Materials", Journal of Electronic Materials, 49 (2020) pp.2832-2837. DOI: 10.1007/s11664-019-07867-3
8. Hiroyuki Kitagawa, Atsushi Takamoto, Shota Imayasu, Manami Kitagaki, Yukihiro Isoda, "Preparation of Mg₂Si-based Thermoelectric Materials using Waste Silicon Sludge as a Source Material", Materials Science and Engineering B, 231 (2018) pp.93-97. DOI: 10.1016/j.mseb.2018.10.004
9. Ayako Suzuki, Takao Etoh, Kotaro Kikuchi, Hiroyuki kitagawa, "Examination of Simultaneous Sintering of Multiple Powder Compacts in Electric-Current Sintering" , Journal of the Japan Society of Powder and Powder Metallurgy, 65 (2018) pp.707-712 (in Japanese). DOI: 10.2497/jjspm.65.707
10. Ayako Suzuki, Hiroyuki Kitagawa, Shota Ido, Anh Hoang Pham, Shigekazu Morito, Takao Etoh, Kotaro Kikuchi, "Microstructure Control of Bi_0.4Sb_1.6Te₃ Thermoelectric Material by Pulse-Current Sintering under Cyclic Uniaxial Pressure", Journal of Alloys and Compounds, 742 (2018) pp.240-247. DOI: 10.1016/j.jallcom.2018.01.269
11. Yoshiharu Waku, Teruyuki Yamashita, Hiroyuki Kitagawa, Masahiro Yoshinobu, Hiromichi Katsuyama, Daiki Hamano, Shinji Harui, "Novel electrical and mechanical characteristics of composites composed of electrically conducting Ni-Cr alloy particles in non-conducting soda-lime glass", Scientific Reports, 7 (2017) 14662. DOI: 10.1038/s41598-017-15213-y
12. Kiyotaka Miyoshi, Keisuke Otsuka, Atsushi Shiota, Yuta Shimojo, Gaku Motoyama, Kenji Fujiwara, Hiroyuki Kitagawa, Shijo Nishigori, "Pressure induced superconductivity in very lightly doped LaFeAsO_0.975F_0.025", Physica B: Condensed Matter, 536 (2018) pp.827-829. DOI: 10.1016/j.physb.2017.09.080
13. Hiroyuki Kitagawa, Kodai Takimura, Shota Ido, Shigekazu Morito, Kotaro Kikuchi, "Thermoelectric Properties of Crystal-Aligned Bismuth Antimony Tellurides Prepared by Pulse-Current Sintering under Cyclic Uniaxial Pressure", Journal of Alloys and Compounds, 692 (2017) pp.388-394. DOI: 10.1016/j.jallcom.2016.09.054
14. Hiroyuki Kitagawa, Naoki Mimura, Kodai Takimura, Shigekazu Morito, Kotaro Kikuchi, "Thermoelectric Properties of Cu-doped Bi₂Te_2.85Se_0.15 Prepared by Pulse-Current Sintering under Cyclic Uniaxial Pressure", Journal of Electronic Materials, 45 (2016) pp.1523-1528. DOI: 10.1007/s11664-015-4094-9
15. Yukihiro Isoda, Satoki Tada, Hiroyuki Kitagawa, Yoshikazu Shinohara, "Thermoelectric Properties of Sb-doped Mg₂Si Prepared Using Different Silicon Sources", Journal of Electronic Materials, 45 (2016) pp.1772-1778. DOI: 10.1007/s11664-015-4214-6
16. Hiroyuki Kitagawa, Tsukasa Matsuura, Toshihito Kato, Kin-ya Kamata, "Thermoelectric Properties of Cu-Doped n-Type Bi₂Te_2.85Se_0.15 Prepared by Liquid Phase Growth Using a Sliding Boat", Journal of Electronic Materials, 44 (2015) pp.1870-1875. DOI: 10.1007/s11664-014-3578-3
17. Hiroyuki Kitagawa, Kojiro Nagao, Naoki Mimura, Shigekazu Morito, Kotaro Kikuchi, "Preparation of Bi_0.5Sb_1.5Te₃ Thermoelectric Materials by Pulse-Current Sintering under Cyclic Uniaxial Pressure", Journal of Electronic Materials, 43 (2014) pp.1574-1579. DOI: 10.1007/s11664-013-2796-4
18. Hiroyuki Kitagawa, Teppei Takino, Tatsuya Tsukutani, Toshihito Kato, Masao Nanba, Kin-ya Kamata, "Thermoelectric Properties of Bi_0.5Sb_1.5Te₃ Prepared by Liquid-Phase Growth Using a Sliding Boat", Journal of Electronic Materials, 42 (2013) pp.2043-2047. DOI: 10.1007/s11664-013-2518-y
19. Hiroyuki Kitagawa, Kazuhei Yoshida, Yasuji Yamada, Shugo Kubo, "Preparation of Al doped ZnO Sputtering Target for Transparent Conductive Films by Pulse-Current Sintering", Transactions of the Materials Research Society of Japan, 38 (2013) pp.27-29. DOI: 10.14723/tmrsj.38.27
20. Shinji Fukuda, Tomohisa Kato, Yoichi Okamoto, Hiroshi Nakatsugawa, Hiroyuki Kitagawa, Satarou Yamaguchi, "Thermoelectric Properties of Single-Crystalline SiC and Dense Sintered SiC for Self-Cooling Devices", Japanese Journal of Applied Physics, 50 (2011) 031301. DOI: 10.1143/JJAP.50.031301
21. Hiroyuki Kitagawa, Toshimitsu Kunisada, Yasuji Yamada, Shugo Kubo, "Effect of Boron-doping on Thermoelectric Properties of Rutile-type Titanium Dioxide Sintered Materials", Journal of Alloys and Compounds, 508 (2010) pp.582-586. DOI: 10.1016/j.jallcom.2010.08.125
22. Hiroyuki Kitagawa, Akira Kurata, Hiroshi Araki, Shigekazu Morito, Eishi Tanabe, "Effect of Deformation Temperature on Texture and Thermoelectric Properties of Bi_0.5Sb_1.5Te₃ Prepared by Hot-Press Deformation", Journal of Electronic Materials, 39 (2010) pp.1692-1695. DOI: 10.1007/s11664-010-1181-9
23. Joko Sulistyo, Toshimitsu Hata, Hiroyuki Kitagawa, Paul Bronsveld, Masashi Fujisawa, Kozo Hashimoto, Yuji Imamura, "Electrical and Thermal Conductivities of Porous SiC/SiO₂/C Composites with Different Morphology from Carbonized Wood", Journal of Materials Science, 45 (2010) pp.1107-1116. DOI: 10.1007/s10853-009-4053-z
24. Hiroyuki Kitagawa, Akira Kurata, Hiroshi Araki, Shigekazu Morito, Eishi Tanabe, "Structure and Carrier Transport Properties of Hot-press Deformed Bi_0.5Sb_1.5Te₃", Physica Status Solidi A, 207 (2010) pp.401-406. DOI: 10.1002/pssa.200925133
25. Hiroshi Nakatsugawa, Kensaku Nagasawa, Yoichi Okamoto, Satarou Yamaguchi, Shinji Fukuda, Hiroyuki Kitagawa, "The Effects of Polysilastyrene and Au Additions on the Thermoelectric Properties of β-SiC/Si Composites", Journal of Electronic Materials, 38 (2009) pp.1387-1390. DOI: 10.1007/s11664-009-0792-5
26. Jun Okamoto, Gen Shimizu, Shugo Kubo, Yasuji Yamada, Hiroyuki Kitagawa, Akiyuki Matsushita, Yuh Yamada, Fumihiro Ishikawa, "Thermoelectric properties of B-doped SrTiO₃ singe crystal", Journal of Physics: Conference Series, 176 (2009) 012042. DOI: 10.1088/1742-6596/176/1/012042
27. Masashi Fujisawa, Toshimitsu Hata, Hiroyuki Kitagawa, Paul Bronsveld, Youki Suzuki, Kazuhiro Hasezaki, Yasutoshi Noda, Yuji Imamura, "Thermoelectric Properties of Porous SiC/C Composites", Renewable Energy, 33 (2008) pp.309-313. DOI: 10.1016/j.renene.2007.07.010
28. Saleh B. Abu Suilik, Ken Takeshita, Hiroyuki Kitagawa, Toshimitsu Tetsui, Kazuhiro Hasezaki, "Preparation and High Temperature Oxidation Behavior of Refractory Disilicide Coatings for γ-TiAl Intermetallic Compounds", Intermetallics, 15 (2007) pp.1084-1090. DOI: 10.1016/j.intermet.2007.01.004
29. Hiroyuki Noguchi, Hiroyuki Kitagawa, Toshiyasu Kiyabu, Kazuhiro Hasezaki, Yasutoshi Noda, "Low Temperature Thermoelectric Properties of Pb- or Sn-Doped Bi-Sb Alloys", Journal of Physics and Chemistry of Solids, 68 (2007) pp.91-95. DOI: 10.1016/j.jpcs.2006.09.006
30. Saleh B. Abu Suilik, Daisuke Shimamoto, Hiroyuki Kitagawa, Kazuhiro Hasezaki, Yasutoshi Noda,“Experimental Study of Nucleation and Quality of CVD Diamond Adopting Two-Step Deposition Approach Using MPECVD”, Diamond and Related Materials, 15 (2006) pp.1765-1772. DOI: 10.1016/j.diamond.2006.03.009
31. Gen-yo Kaneko, Mihoko Mori, Hiroyuki Kitagawa, Kazuhiro Hasezaki, Hitoshi Tanaka, "Preparation and Characterization of Sintered Coal Fly-Ash Bulk Material by Spark Plasma Sintering ", Journal of the Japan Society of Powder and Powder Metallurgy , 53 (2006) pp.503-506 (in Japanese). DOI: 10.2497/jjspm.53.503
32. Hiroyuki Kitagawa, Machiko Wakatsuki, Hisanori Nagaoka, Hroyuki Noguchi, Yukihiro Isoda, Kazhiro Hasezaki, Yasutoshi Noda, "Temperature Dependence of Thermoelectric Properties of Ni-doped CoSb₃", Journal of Physics and Chemistry of Solids, 66 (2005) pp.1635-1639. DOI: 10.1016/j.jpcs.2005.05.077
33. Heng Han, Satoru Baba, Hiroyuki Kitagawa, Saleh Abu Suilik, Kazuhiro Hasezaki, Takahiro Kato, Kazuto Arakawa, Yasutoshi Noda, "Plasma-Carburization of Nickel-based Self-Fluxing Alloy", Vacuum, 78 (2005) pp.27-32. DOI: 10.1016/j.vacuum.2004.12.010
34. Hiroyuki Kitagawa, Yoshinori Morisaki, Hiroyuki Ishibashi, Masaki Orihashi, Yasutoshi Noda, "Preparation of Bi₂Te₃-related Thermoelectric Materials by Plastic Deformation", Journal of the Japan Institute of Metals, 69 (2005) pp.164-169 (in Japanese). DOI: 10.2320/jinstmet.69.164
35. Hiroyuki Kitagawa, Hiroyuki Noguchi, Toshiyasu Kiyabu, Masaki Itoh, Yasutoshi Noda, "Thermoelectric Properties of Bi-Sb Semiconducting Alloys Prepared by Quenching and Annealing", Journal of Physics and Chemistry of Solids, 65 (2004) pp.1223-1227. DOI: 10.1016/j.jpcs.2004.01.010
36. Hiroyuki Kitagawa, Takashi Nagamori, Takeru Tatsuta, Toshihiro Kitamura, Yoshikazu Shinohara, Yasutoshi Noda, "Liquid Phase Growth of Bi_0.5Sb_1.5Te₃ by Sliding Boat Method", Scripta Materialia, 49 (2003) pp.309-313. DOI: 10.1016/S1359-6462(03)00278-1
37. Heng Han, Hiroyuki Kitagawa, Yasutoshi Noda, Kazuto Arakawa, Nobuyuki Kanayama, "Study on Plasma-Carburization Process of Ni-base Self-Fluxing Alloy Coatings", Materials Science Forum, 423-425 (2003) pp.561-564. DOI: 10.4028/www.scientific.net/MSF.423-425.561
38. Hiroyuki Kitagawa, Naomi Kado, Yasutoshi Noda, "Preparation of N-type Silicon Carbide-based Thermoelectric Materials by Spark Plasma Sintering", Materials Transactions, 43 (2002) pp.3239-3241. DOI: 10.2320/matertrans.43.3239
39. Takahiro Mitsumoto, Naomi Kado, Hiroyuki Kitagawa, Kuninori Kitahara, Kaoru Mizuno, Yasutoshi Noda, "Preparation and Raman Spectra of ZnSe/GaAs Heteroepitaxial Layers", Journal of Crystal Growth, 237-239 (2002) pp.1575-1579. DOI: 10.1016/S0022-0248(01)02376-4
40. Hiroyuki Kitagawa, Masayuki Hasaka, Takao Morimura, Hiromichi Nakashima, Shin-ichiro Kondo, "Skutterudite Structure and Thermoelectric Property in Ce_fFe_8-xCo_xSb₂₄ (f=0-2, x=0-8)", Materials Research Bulletin, 35 (2000) pp.185-192. DOI: 10.1016/S0025-5408(00)00203-8
41. Hiroyuki Kitagawa, Masayuki Hasaka, Takao Morimura, Hiromichi Nakashima, Shin-ichiro Kondo, "Skutterudite Structure and Thermoelectric Properties in Spin-Cast Fe_xCo_yNi_zSb₂₄ (x+y+z=8) Ribbons", Scripta Materialia, 43 (2000) pp.727-731. DOI: 10.1016/S1359-6462(00)00478-4
42. Shin-ichiro Kondo, Masayuki Hasaka, Takao Morimura, Hiroyuki Kitagawa, "On the Small Enhancement of Electric Field Gradients Caused by a Deformation Potential Interaction", Progress of Theoretical Physics, 100 (1998) pp.905-919. DOI: 10.1143/PTP.100.905

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