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113-0032
Micro Analysis Laboratory,
Tandem accelerator

Department of
Nuclear Engineering and
Management
,
School of Engineering,
The University of Tokyo
2-11-16 Yayoi, Bunkyo-ku,
Tokyo 113-0032, JAPAN
TEL: +81-3-5841-2961
(H. Matsuzaki)
FAX: +81-3-5841-2947

(to Japanese page)

MALT(Micro Analysis Laboratory, Tandem accelerator, The University of Tokyo) is a research and service facility for elemental and isotopic micro analysis with high quality ion beam generated by electrostatic accelerators. MALT was constructed in 1991-1993 and has been in operation since 1994. Since then, AMS(Accelerator Mass Spectrometry), NRA(Nuclear Reaction Analysis) and PIXE(Particle Induced X-ray Emission) systems have been developed and highly refined.

Accelerators:

"PelletronTM 5UD" tandem van de Graaf (produced by National Electrostatics Corporation, USA) generates 5MV voltage and is equipped with two MC-SNICS ion sources (one of them dedicated for 14C-AMS), sequential injection system and multi-faraday cup systems. These equipments are all indispensable for high precision and high efficiency AMS system. High quality AMS of 10Be, 14C, 26Al, 36Cl, and 129I has been available. NRA and PIXE systems have been also develpped and refined. Recently a microbeam line has been constructed and used for precise NRA system. Over 40 projects are running at MALT every year nowadays. In June 2006, the total operation time of the accelerator since the construction of MALT went over 50,000 hours.

RAPID (Rutherford Backscattering Spectroscopic Analyzer with Particle Induced X-ray Emission and Ion Implantation Devices, 1.7MV TandetronTM) has been served for IBA's and Ion implantation as the nickname represents. Click here for details.