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

被引：2

作者：

Takata, H. ^{[1
]}

Ienaga, K. ^{[2
]}

Shiga, M. ^{[1
]}

Islam, Md S. ^{[1
]}

Inagaki, Y. ^{[1
]}

Tsujii, H. ^{[3
]}

Hashizume, K. ^{[4
]}

Kawae, T. ^{[1
]}

机构：

[1] Kyushu Univ, Dept Appl Quantum Phys, Fukuoka, Fukuoka 8190395, Japan

[2] Tokyo Inst Technol, Sch Sci, Dept Phys, Tokyo 1528551, Japan

[3] Kanazawa Univ, Dept Educ, Kanazawa, Ishikawa 9201192, Japan

[4] Kyushu Univ, Dept Engn Sci, Fukuoka, Fukuoka 8168580, Japan

来源：

28TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT28) | 2018年 / 969卷

基金：

日本学术振兴会;

关键词：

ELECTRON-PHONON INTERACTION; POINT-CONTACT SPECTROSCOPY; DIFFUSION; H-2;

D O I：

10.1088/1742-6596/969/1/012008

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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 H-2, the differential conductance (dI/dV) and the second derivative (d(2)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 H-2 is possible through dI/dV and d(2)I/dV(2) measurements using the PCS technique.

引用

页数：6

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