Low-Temperature hydrogen absorption into v and Nb metals from liquid hydrogen

H. Takata; K. Ienaga; M. Shiga; Md S. Islam; Y. Inagaki; H. Tsujii; K. Hashizume; T. Kawae

doi:10.1088/1742-6596/969/1/012008

Low-Temperature hydrogen absorption into v and Nb metals from liquid hydrogen

H. Takata, K. Ienaga, M. Shiga, Md S. Islam, Y. Inagaki, H. Tsujii, K. Hashizume, T. Kawae

Research output: Contribution to journal › Conference article

Abstract

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 (d² I/dV ²) 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 d² I/dV ² measurements using the PCS technique.

Original language	English
Article number	012008
Journal	Journal of Physics: Conference Series
Volume	969
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/969/1/012008
Publication status	Published - Apr 19 2018
Event	28th International Conference on Low Temperature Physics, LT 2018 - Gothenburg, Sweden Duration: Aug 9 2017 → Aug 16 2017

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1088/1742-6596/969/1/012008

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Takata, H., Ienaga, K., Shiga, M., Islam, M. S., Inagaki, Y., Tsujii, H., Hashizume, K., & Kawae, T. (2018). Low-Temperature hydrogen absorption into v and Nb metals from liquid hydrogen. Journal of Physics: Conference Series, 969(1), [012008]. https://doi.org/10.1088/1742-6596/969/1/012008

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title = "Low-Temperature hydrogen absorption into v and Nb metals from liquid hydrogen",

abstract = "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 (d2 I/dV 2) 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 d2 I/dV 2 measurements using the PCS technique.",

author = "H. Takata and K. Ienaga and M. Shiga and Islam, {Md S.} and Y. Inagaki and H. Tsujii and K. Hashizume and T. Kawae",

year = "2018",

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doi = "10.1088/1742-6596/969/1/012008",

language = "English",

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journal = "Journal of Physics: Conference Series",

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TY - JOUR

T1 - Low-Temperature hydrogen absorption into v and Nb metals from liquid hydrogen

AU - Takata, H.

AU - Ienaga, K.

AU - Shiga, M.

AU - Islam, Md S.

AU - Inagaki, Y.

AU - Tsujii, H.

AU - Hashizume, K.

AU - Kawae, T.

PY - 2018/4/19

Y1 - 2018/4/19

N2 - 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 (d2 I/dV 2) 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 d2 I/dV 2 measurements using the PCS technique.

AB - 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 (d2 I/dV 2) 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 d2 I/dV 2 measurements using the PCS technique.

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T2 - 28th International Conference on Low Temperature Physics, LT 2018

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