Capacitance-Voltage Characteristics of Au/PrBa_2Cu_3O_y/YBa_2Cu_3O_x Structure Measured at 4.2 K

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概要

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• Capacitance-Voltage (C-V) characteristics of Au/PrB_2 Cu_3O_y/YB_2Cu_3O_x structure were studied. YBa_2Cu_3O_x and PrBa_2Cu_3O_y were deposited by rf magnetron sputtering. Deposition temperatures were 700℃ for YBa_2Cu_3O_x and 690℃ for PrBa_2Cu_3O_y. Capacitance was measured at liquid-helium temperature. At this temperature PrBa_2Cu_3O_y behaves as an insulator, and C-V characteristics of Au/PrBa_2Cu_3O_y/YBa_2Cu_3O_x as a MIS diode can be measured. From analyses of C-V characteristics, a depletion layer was found to exist near the PrBa_2Cu_3O_y/YBa_2Cu_3O_x interface when DC bias was zero. The acceptor density of this layer was calculated to be about 10^<16>/cm^3 from C-V characteristics.

• 社団法人応用物理学会の論文
• 1995-05-15

著者

• Ohmameuda Toshiaki

  Research Center For Advanced Science And Technology The University Of Tokyo

• Okabe Yoichi

  Research Center For Advanced Science And Technology The University Of Tokyo

関連論文

• Observation of Interface Stress in Barrier/Y-Ba-Cu-O Structure by Laser Raman Scattering Spectroscopy
• Characterization of YBa_2Cu_3O_ Co-planar Josephson Junctions Using Focused Ion Beam(Special Issue on Superconductive Electron Devices and Their Applications)
• Co-planar Josephson Junction Using Nonsuperconductive YBaCuO Formed on Very Locally Damaged Substrate by FIB
• Fabrication of YBCO/PBCO/SrTiO_3/PBCO/YBCO Layered Structure for Superconductor-Insulator-Superconductor Tunnel-Type Josephson Junction
• Capacitance-Voltage Characteristics of Au/PrBa_2Cu_3O_y/YBa_2Cu_3O_x Structure Measured at 4.2 K
• Capacitance and Resistance Measurement of Au/PrBa_2Cu_3O_y/YBa_2Cu_3O_x Structure at 4.2 K

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