植田研究室

1. Diamond FET using high-quality polycrystalline diamond with f(T) of 45 GHz
and f(max) of 120 GHz
K. Ueda, M. Kasu, Y. Yamauchi, T. Makimoto, M. Schwitters, D. J. Twitchen,
G. A. Scarsbrook, and S. E. Coe
IEEE Electron Dev. Lett., 27 (2006) 570-572
Times Cited: 243

2. 2W/mm output power density at 1 GHZ for diamond FETs
M. Kasu, K. Ueda, H. Ye, Y. Yamauchi, S. Sasaki and T. Makimoto
IEEE Electronics Letters, 41 (2005) 1249-1250
Times Cited: 140

3. All-MgB₂ Josephson tunnel junctions
K. Ueda, S. Saito, K. Semba, T. Makimoto and M. Naito
Appl. Phys. Lett., 86 (2005) 172502-1-3
Times Cited: 76

4. As-grown superconducting MgB₂ thin films prepared by molecular-beam epitaxy
K. Ueda and M. Naito
Appl. Phys. Lett., 79 (2001) 2046-2048.
Times Cited: 232

5. Magnetic and electric properties of transition-metal-doped ZnO films
K. Ueda, H. Tabata and T. Kawai
Appl. Phys. Lett., 79 (2001) 988-990.
Times Cited: 2433
（This paper is qualified for Top 50 Most Cited Papers from 50 Years of Appl. Phys. Lett.）

6. Coexistence of ferroelectricity and ferromagnetism in BiFeO₃-BaTiO₃ thin films at room temperature
K. Ueda, H. Tabata and T. Kawai
Appl. Phys. Lett., 75 (1999) 555-557.
Times Cited: 240

7. Ferromagnetism in LaFeO₃-LaCrO₃ superlattices
K. Ueda, H. Tabata and T. Kawai
Science, 280 (1998) 1064-1066.
Times Cited: 401

　Google Scholar Citations （Ueda）

・Mar. 1996　Master of Science, Osaka University
・Mar. 1996 - Jan. 1997　Toshiba Company, researcher
・Mar. 2000　Dr. of Science, Osaka University
・Apr. 2000 - Jan. 2001
　　ISIR-sanken, Osaka-University, post doctoral fellow
・Feb. 2001 - Mar. 2009
　　NTT Basic Research Laboratories, researcher
・Apr. 2009 - Mar. 2021
　　Graduate school of engineering, Nagoya-Univ,
　　　Assoc Professor
　　(Mar.-Aug. 2011　 Invited researcher;
　　　　Neel Institut, CNRS, France)
・April 2022 -　
　　　Graduate school of IPS, Waseda University
　　　　　 Professor

　1. Carbon electronics (diamond, graphene）（2005-）
　2. Topological materials and devices （2018-）
　3. Heusler spintronics （2010-）
　
　4. Oxide electronics　（2009-2018）
　5. Superconducting properties of MgB₂ films　（2001-2005）
　6. Magnetic and electronic properties of oxides （1997-2001）

1. Diamond/graphene (carbon sp3-sp2) heterojunctions for neuromorphic device applications
H. Iwane, G. Saito, S. Muto, and K. Ueda
J. Mater. Res., 39 (2024) 2107-2114. (Invited feature paper).

2. Physical reservoir computing using vertically aligned graphene/diamond photomemristors
Y. Ito, H. Iwane, S. Jia, and K. Ueda
Applied Physics Express, 16 (2023) 071004-1-5

3. Optoelectronic synapses using vertically aligned graphene/diamond heterojunctions
Y. Mizuno, Y. Ito, and K. Ueda, Carbon, 182 (2021) 669-676.
　　　　（Press release (21.7.2)）
　　　　　（Appeared in 電波新聞(DEMPA DIGITAL)(7/9)、マイナビニュースTECH+(7/6),
　　　　　　　つくばサイエンスニュース, わかる科学 (8/15)）

4. Multibit optoelectronic memory using graphene/diamond (carbon sp²-sp³) heterojunctions
and its arithmetic functions
K. Ueda, Y. Mizuno, and H. Asano.
Appl. Phys. Lett., 117 (2020) 092103-1-5.

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