New positron beam studies of surface low-dimensional systems and magnetic substances

Kawasuso, Atsuo; Maekawa, Masaki; Fukaya, Yuki ; Yabuuchi, Atsushi; Mochizuki, Izumi

We review on-going two research projects (Study of surface low-dimensional materials using reflection high-energy positron diffraction(RHEPD), Application of spin-polarized positron beam for magnetic substances) in JAEA. As for the former project, we introduce the principle of RHEPD, the energy-loss process in positrons and the metal-insulator transition of Si(111)-In surface. As for the latter project, we report the production of 68-Ge positron source, its spin polarization and the trial positron annihilation measurements of some magnetic substances.

Language	:	English
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Meeting title	:	12th International Workshop on Slow Positron Beam Techniques (SLOPOS-12)
Held date	:	2010/08
Location (city)	:	Magnetic Island
Location (country)	:	Australia
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Keywords	:	no keyword
Research Facility	:	TIARA(イオン照射研究施設)
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Registration No. : BB20100764
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