H
Hiroshi Kawarada
Researcher at Waseda University
Publications - 450
Citations - 10518
Hiroshi Kawarada is an academic researcher from Waseda University. The author has contributed to research in topics: Diamond & Chemical vapor deposition. The author has an hindex of 51, co-authored 421 publications receiving 9503 citations. Previous affiliations of Hiroshi Kawarada include Florida International University & Tokyo Institute of Technology.
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Hydrogen-terminated diamond surfaces and interfaces
TL;DR: The first application of hydrogen-terminated surfaces as electron devices is presented in this article for the metal-semiconductor field effect transistor (MSE transistor), where the surface states of (1 1 1) and (0 0 1) were discussed.
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Superconductivity in diamond thin films well above liquid helium temperature
Yoshihiko Takano,Masanori Nagao,Isao Sakaguchi,Minoru Tachiki,Takeshi Hatano,K. Kobayashi,Hitoshi Umezawa,Hiroshi Kawarada +7 more
TL;DR: In this paper, the authors reported unambiguous evidence for superconductivity in a heavily boron-doped diamond thin film grown by microwave plasma-assisted chemical vapor deposition (MPCVD).
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Superconductivity in CVD Diamond Thin Film Well-Above Liquid Helium Temperature
Yoshihiko Takano,Masanori Nagao,K. Kobayashi,Hitoshi Umezawa,Isao Sakaguchi,Masashi Tachiki,T. Hatano,Hiroshi Kawarada +7 more
TL;DR: In this paper, the onset of superconductivity in heavily boron-doped diamond synthesized by high pressure sintering was found to be 7.4K, which is higher than the reported value in ref(7) and well above helium liquid temperature.
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Origin of the metallic properties of heavily boron-doped superconducting diamond
Takayoshi Yokoya,Tetsuya Nakamura,Tomohiro Matsushita,Takayuki Muro,Yoshihiko Takano,Masanori Nagao,T. Takenouchi,Hiroshi Kawarada,Tamio Oguchi +8 more
TL;DR: It is shown experimentally that the doping-dependent occupied electronic structures are consistent with theiamond bands, indicating that holes in the diamond bands play an essential part in determining the metallic nature of the heavily boron-doped diamond superconductor.
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Growth Kinetics of 0.5 cm Vertically Aligned Single-Walled Carbon Nanotubes
TL;DR: The experimental results confirm that the growth rate is ultimately limited by the gas phase diffusion of hydrocarbon radicals.