Spectroscopic study of low-temperature hydrogen absorption in palladium

K. Ienaga, H. Takata, Y. Onishi, Y. Inagaki, H. Tsujii, T. Kimura, T. Kawae

研究成果: ジャーナルへの寄稿記事

8 引用 (Scopus)

抄録

We report real-time detection of hydrogen (H) absorption in metallic palladium (Pd) nano-contacts immersed in liquid H2 using inelastic electron spectroscopy (IES). After introduction of liquid H2, the spectra exhibit the time evolution from the pure Pd to the Pd hydride, indicating that H atoms are absorbed in Pd nano-contacts even at the temperature where the thermal process is not expected. The IES time and bias voltage dependences show that H absorption develops by applying bias voltage 30 ∼ 50 mV, which can be explained by quantum tunneling. The results represent that IES is a powerful method to study the kinetics of high density H on solid surface.

元の言語英語
記事番号021605
ジャーナルApplied Physics Letters
106
発行部数2
DOI
出版物ステータス出版済み - 1 12 2015

Fingerprint

palladium
electron spectroscopy
hydrogen
electric potential
liquids
solid surfaces
hydrides
kinetics
atoms
temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

これを引用

Spectroscopic study of low-temperature hydrogen absorption in palladium. / Ienaga, K.; Takata, H.; Onishi, Y.; Inagaki, Y.; Tsujii, H.; Kimura, T.; Kawae, T.

:: Applied Physics Letters, 巻 106, 番号 2, 021605, 12.01.2015.

研究成果: ジャーナルへの寄稿記事

@article{3a68530ea4314cee8435b133855ac118,
title = "Spectroscopic study of low-temperature hydrogen absorption in palladium",
abstract = "We report real-time detection of hydrogen (H) absorption in metallic palladium (Pd) nano-contacts immersed in liquid H2 using inelastic electron spectroscopy (IES). After introduction of liquid H2, the spectra exhibit the time evolution from the pure Pd to the Pd hydride, indicating that H atoms are absorbed in Pd nano-contacts even at the temperature where the thermal process is not expected. The IES time and bias voltage dependences show that H absorption develops by applying bias voltage 30 ∼ 50 mV, which can be explained by quantum tunneling. The results represent that IES is a powerful method to study the kinetics of high density H on solid surface.",
author = "K. Ienaga and H. Takata and Y. Onishi and Y. Inagaki and H. Tsujii and T. Kimura and T. Kawae",
year = "2015",
month = "1",
day = "12",
doi = "10.1063/1.4905729",
language = "English",
volume = "106",
journal = "Applied Physics Letters",
issn = "0003-6951",
publisher = "American Institute of Physics Publising LLC",
number = "2",

}

TY - JOUR

T1 - Spectroscopic study of low-temperature hydrogen absorption in palladium

AU - Ienaga, K.

AU - Takata, H.

AU - Onishi, Y.

AU - Inagaki, Y.

AU - Tsujii, H.

AU - Kimura, T.

AU - Kawae, T.

PY - 2015/1/12

Y1 - 2015/1/12

N2 - We report real-time detection of hydrogen (H) absorption in metallic palladium (Pd) nano-contacts immersed in liquid H2 using inelastic electron spectroscopy (IES). After introduction of liquid H2, the spectra exhibit the time evolution from the pure Pd to the Pd hydride, indicating that H atoms are absorbed in Pd nano-contacts even at the temperature where the thermal process is not expected. The IES time and bias voltage dependences show that H absorption develops by applying bias voltage 30 ∼ 50 mV, which can be explained by quantum tunneling. The results represent that IES is a powerful method to study the kinetics of high density H on solid surface.

AB - We report real-time detection of hydrogen (H) absorption in metallic palladium (Pd) nano-contacts immersed in liquid H2 using inelastic electron spectroscopy (IES). After introduction of liquid H2, the spectra exhibit the time evolution from the pure Pd to the Pd hydride, indicating that H atoms are absorbed in Pd nano-contacts even at the temperature where the thermal process is not expected. The IES time and bias voltage dependences show that H absorption develops by applying bias voltage 30 ∼ 50 mV, which can be explained by quantum tunneling. The results represent that IES is a powerful method to study the kinetics of high density H on solid surface.

UR - http://www.scopus.com/inward/record.url?scp=84923899777&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84923899777&partnerID=8YFLogxK

U2 - 10.1063/1.4905729

DO - 10.1063/1.4905729

M3 - Article

AN - SCOPUS:84923899777

VL - 106

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 2

M1 - 021605

ER -