Наукова електронна бібліотека
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періодичних видань НАН України
Temperature effect of metastable atom desorption from solid Ne by low-energy electron impact
Репозиторій DSpace/Manakin
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Temperature effect of metastable atom desorption from solid Ne by low-energy electron impact
Тема:
Low Temperature Spectroscopy and Radiation Effects
Інший ID:
PACS: 79.20.La, 71.35.Gg
Посилання:
Temperature effect of metastable atom desorption
from solid Ne by low-energy electron impact / H. Kato, T. Tachibana, T. Hirayama // Физика низких температур. — 2012. — Т. 38, № 8. — С. 949-952. — Бібліогр.: 9 назв. — англ.
Підтримка:
One of us (T.H.) is grateful to Dr. Elena V. Savchenko
for her valuable discussions and comments as well as continuous
encouragement since we first met in 1994. This
work was partially supported by a Grant-in-Aid for Scientific
Research from the Ministry of Education, Culture,
Sports, Science and Technology, Japan, and by the Rikkyo
University Special Fund for Research (Rikkyo SFR).
Дата:
2012
Переглядів:
951
Завантажень:
401
Анотація:
We study the desorption of metastable atoms induced by electronic transitions in solid Ne by low energy electron
impact. Time-of-flight spectra and the angular distribution of metastable atoms desorbed from the surface of
an annealed sample show increased kinetic energy, higher signal intensity, and a narrower angular distribution
compared with those measured using an unannealed sample. These results are explained by considering the sample’s
surface conditions in the framework of the cavity ejection mechanism. Our results for annealed solid Ne
show that when the sample temperature increases from 5 to 7 K, the width of the angular distribution increases
by about 10%. A simple trajectory calculation qualitatively reproduces our experimental results.
