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
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
收藏
页数:6
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