Study on measurement errors in inductive J sub(c) measurement method

Study on measurement errors in inductive J sub(c) measurement method

We report on the measurement errors in the 1 kHz inductive critical current density (J sub(c)) measurement method. This non-destructive method is favorable, because we can utilize the evaluated sample in the following device fabrication. When a superconductive sample to be measured is small and rare...

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Veröffentlicht in:Physica. C, Superconductivity Superconductivity, 2002-10, Vol.378-381, p.1291-1294
Hauptverfasser: Konno, Takaharu, Yamashita, Daisuke, Nakagaki, Nobuhiro, Suzuki, Takeo, Enomoto, Youichi, Tamaki, Akira, Suzuki, Katsumi
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container_start_page 1291
container_title Physica. C, Superconductivity
container_volume 378-381
creator Konno, Takaharu
Yamashita, Daisuke
Nakagaki, Nobuhiro
Suzuki, Takeo
Enomoto, Youichi
Tamaki, Akira
Suzuki, Katsumi
description We report on the measurement errors in the 1 kHz inductive critical current density (J sub(c)) measurement method. This non-destructive method is favorable, because we can utilize the evaluated sample in the following device fabrication. When a superconductive sample to be measured is small and rare one, two measurement errors arise. One is the peripheral region error of the small sample. The other is distance error between the surface of the sample and the pick-up coil because we do not want to touch on the surface of the rare sample. We have found how to correct the distance error and the peripheral region error. In our apparatus, J sub(c) value contains 8% error in measurement position 3-17 mm. copyright 2002 Elsevier Science B.V. All rights reserved.
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title Study on measurement errors in inductive J sub(c) measurement method
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