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IEICE TRANSACTIONS on Electronics

Open Access
Transition Edge Sensor-Energy Dispersive Spectrometer (TES-EDS) and Its Applications

Keiichi TANAKA, Akikazu ODAWARA, Atsushi NAGATA, Yukari BABA, Satoshi NAKAYAMA, Shigenori AIDA, Toshimitsu MOROOKA, Yoshikazu HOMMA, Izumi NAKAI, Kazuo CHINONE

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Summary :

The Transition Edge Sensor (TES)-Energy Dispersive Spectrometer (EDS) is an X-ray detector with high-energy resolution (12.8 eV). The TES can be mounted to a scanning electron microscope (SEM). The TES-EDS is based on a cryogen-free dilution refrigerator. The high-energy resolution enables analysis of the distribution of various elements in samples under low acceleration voltage (typically under 5 keV) by using K-lines of light elements and M lines of heavy elements. For example, the energy of the arsenic L line differs from the magnesium K line by 28 eV. When used to analyze the spore of the Pteris vittata L plant, the TES-EDS clearly reveals a different distribution of As and Mg in the micro region of the plant. The TES-EDS with SEM yields detailed information about the distribution of multi-elements in a sample.

Publication
IEICE TRANSACTIONS on Electronics Vol.E92-C No.3 pp.334-340
Publication Date
2009/03/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E92.C.334
Type of Manuscript
Special Section INVITED PAPER (Special Section on Recent Progress in Superconducting Analog Devices and Their Applications)
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