A compact low-temperature hydrogen ion beam apparatus for in situ physical property measurements

R. Nakayama, N. Suzuki, M. Maesato, T. Nagaoka, M. Arita, H. Kitagawa

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A new compact low-temperature hydrogen ion beam apparatus has been developed for in situ physical property measurements. Introduction of hydrogen can significantly alter the physical properties of materials. Conventional methods such as exposure to H2 gas are limited to materials having hydrogen sorption. The present method is, in principle, applicable to any material of interest. Our setup provides a facile way to conduct both low-temperature hydrogen ion beam irradiation and in situ electrical resistivity measurements, which enables observation of novel physical properties induced by the low-temperature irradiation. The lowest temperature of 3.8 K was achieved by utilizing a newly designed rotatable radiation shield and a closed-cycle cryostat, which is advantageous for long-time low-temperature experiments for heavy hydrogen doping and in situ analysis. It was found that the resistivity of ZnO largely decreased by hydrogen ion beam irradiation at 50 K. Furthermore, the in situ measurements revealed an unforeseen irreversible thermal hysteresis for resistivity.

Original languageEnglish
Article number123904
JournalReview of Scientific Instruments
Volume88
Issue number12
DOIs
Publication statusPublished - Dec 1 2017

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hydrogen ions
Ion beams
Physical properties
physical properties
ion beams
Hydrogen
electrical resistivity
irradiation
Irradiation
hydrogen
Temperature
closed cycles
cryostats
in situ measurement
Cryostats
sorption
hysteresis
Hysteresis
Sorption
Doping (additives)

All Science Journal Classification (ASJC) codes

  • Instrumentation

Cite this

A compact low-temperature hydrogen ion beam apparatus for in situ physical property measurements. / Nakayama, R.; Suzuki, N.; Maesato, M.; Nagaoka, T.; Arita, M.; Kitagawa, H.

In: Review of Scientific Instruments, Vol. 88, No. 12, 123904, 01.12.2017.

Research output: Contribution to journalArticle

Nakayama, R. ; Suzuki, N. ; Maesato, M. ; Nagaoka, T. ; Arita, M. ; Kitagawa, H. / A compact low-temperature hydrogen ion beam apparatus for in situ physical property measurements. In: Review of Scientific Instruments. 2017 ; Vol. 88, No. 12.
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