Superconducting tunnel junction (STJ) detectors have a fast time response and a low threshold to detect such quanta as phonons. These characteristics are advantageous to their applications in mass spectrometry for large molecules. However, one drawback is small active area, which cancels out the hig
โฆ LIBER โฆ
Cryogen-free cryostat for large-scale arrays of superconducting tunnel junction ion detectors in time-of-flight mass spectrometry
โ Scribed by A. Kushino; M. Ohkubo; Y.E. Chen; M. Ukibe; S. Kasai; K. Fujioka
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 160 KB
- Volume
- 559
- Category
- Article
- ISSN
- 0168-9002
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The performance of an energy sensitive, niobium superconducting tunnel junction (STJ) detector is investigated by measuring the pulse height produced by impacting molecular and atomic ions at different kinetic energies. Ions are produced by laser desorption and matrix-assisted laser desorption in a