Low-temperature hydrogen absorption into V and Nb metals from liquid hydrogen

We report experimental study on low-temperature hydrogen (H) absorption in vanadium (V) and niobium (Nb) nanocontacts below T = 20 K using a point-contact spectroscopy (PCS) technique. When a small bias voltage is applied between both sides of nanocontacts immersed in liquid H2, the differential con...

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Published in:Journal of physics. Conference series 2018-03, Vol.969 (1), p.12008
Main Authors: Takata, H, Ienaga, K, Shiga, M, Islam, Md S, Inagaki, Y, Tsujii, H, Hashizume, K, Kawae, T
Format: Article
Language:English
Subjects:
Absorption
Bias
Electric potential
Liquid hydrogen
Low temperature
Niobium
Physics
Spectrum analysis
Vanadium
Voltage
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cited_by cdi_FETCH-LOGICAL-c408t-9679a52071acb01e0b77fb9c2f8a9d6bf85b4c35a48eede3f57a98a3ba59a2c53
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container_title Journal of physics. Conference series
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creator Takata, H
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description We report experimental study on low-temperature hydrogen (H) absorption in vanadium (V) and niobium (Nb) nanocontacts below T = 20 K using a point-contact spectroscopy (PCS) technique. When a small bias voltage is applied between both sides of nanocontacts immersed in liquid H2, the differential conductance (dI/dV) and the second derivative (d2I/dV2) are changed from those for pure V and Nb nanocontacts. Further, the spectra approach to those for a high concentrated phase of H with increasing the bias voltage. The results indicate that in-situ investigation of H absorption process from liquid H2 is possible through dI/dV and d2I/dV2 measurements using the PCS technique.
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subjects Absorption
Bias
Electric potential
Liquid hydrogen
Low temperature
Niobium
Physics
Spectrum analysis
Vanadium
Voltage
title Low-temperature hydrogen absorption into V and Nb metals from liquid hydrogen
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