Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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Materials Map under construction

The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (3/3 displayed)

  • 2004Structural and Optical Properties of ZnO Epitaxial Films Grown on Al<sub>2</sub>O<sub>3</sub> (112̄0) Substrates by Metalorganic Chemical Vapor Deposition9citations
  • 2004Single crystal SrTiO3 field-effect transistor with an atomically flat amorphous CaHfO3 gate insulator57citations
  • 2001Pulsed Laser Epitaxy and Magnetic Properties of Single Phase Y-Type Magnetoplumbite Thin Films8citations

Places of action

Chart of shared publication
Usami, Noritaka
1 / 4 shared
Segawa, Yusaburo
1 / 1 shared
Yamada, Yasuhiro
1 / 2 shared
Liu, Cheng-You
1 / 1 shared
Wakatsuki, Kazuki
1 / 1 shared
Binh, Nguyen Thanh
1 / 2 shared
Zhang, Bao-Ping
1 / 1 shared
Lippmaa, Mikk
1 / 3 shared
Ohnishi, Tsuyoshi
1 / 1 shared
Shibuya, Keisuke
1 / 1 shared
Hasegawa, Tetsuya
1 / 1 shared
Matsumoto, Yuji
1 / 3 shared
Ueno, Koichiro
1 / 1 shared
Itaka, Kenji
1 / 1 shared
Ahmet, Parhat
1 / 1 shared
Ohkubo, Isao
1 / 4 shared
Chikyow, Toyohiro
1 / 5 shared
Chart of publication period
2004
2001

Co-Authors (by relevance)

  • Usami, Noritaka
  • Segawa, Yusaburo
  • Yamada, Yasuhiro
  • Liu, Cheng-You
  • Wakatsuki, Kazuki
  • Binh, Nguyen Thanh
  • Zhang, Bao-Ping
  • Lippmaa, Mikk
  • Ohnishi, Tsuyoshi
  • Shibuya, Keisuke
  • Hasegawa, Tetsuya
  • Matsumoto, Yuji
  • Ueno, Koichiro
  • Itaka, Kenji
  • Ahmet, Parhat
  • Ohkubo, Isao
  • Chikyow, Toyohiro
OrganizationsLocationPeople

article

Single crystal SrTiO3 field-effect transistor with an atomically flat amorphous CaHfO3 gate insulator

  • Lippmaa, Mikk
  • Ohnishi, Tsuyoshi
  • Shibuya, Keisuke
  • Koinuma, Hideomi
Abstract

<jats:p>We have observed prominent transistor action in a transition-metal oxide which is not traditionally viewed as a semiconductor. We have fabricated a field-effect transistor composed of SrTiO3(100) single crystal as a channel and an amorphous CaHfO3 layer as a gate insulator. The amorphous CaHfO3 gate insulator layer was atomically flat and had a breakdown field of over 5MV∕cm. All electrode and channel patterning was done with simple contact masks. The whole fabrication process took place at room temperature. The device showed a field-effect mobility of 0.4–0.5cm2∕Vs and an on-to-off channel current ratio of ∼105 at room temperature.</jats:p>

Topics
  • impedance spectroscopy
  • single crystal
  • amorphous
  • mobility
  • semiconductor