
YAP scintillators are more efficient in terms of light output than YAG crystals (see graph). They have a maximum emission peak at approximately 378nm, closely corresponding with the maximum sensitivity of the S11 photo cathode commonly used in electron microscopes. In such microscopes there would be significant signal improvements over YAG crystals. Decay time of the YAP is also faster (40ns compared with 80ns), so overall performance is markedly superior to YAG crystals, while they share the same insensitivity to radiation damage.
All discs are 1mm thick, unless otherwise specified.
YAP | Diameter | Instrument |
AGB8320 | 6.0mm | CT semiconductor mod |
AGB8322 | 7.7mm | ISI/ABT/Topcon Mini SEM |
AGB8323 | 8.8 x 2mm | JEOL 25, 733, T, 800 and 6000 series |
AGB8324 | 9.0 x 3mm | ETEC |
AGB8325 | 10.0mm | Cambridge/LEO except S600, AMRAY 1200 |
AGB8326 | 12.0mm | Cambridge S600 |
AGB8327 | 12.0 x 0.17mm | Zeiss SEM |
AGB8328 | 12.4 x 3.2mm | Cameca |
AGB8329 | 13.7mm | ISI/ABT/Topcon, JEOL |
AGB8330 | 16.4 x 0.17mm | Zeiss Novascan Semco/Zeiss |
AGB8331 | 18.0mm | Camscan/Balscan |
AGB8332 | 19.0mm | JEOL U3 and JSM-2 |
AGB8333 | 19.0 x 7.3mm | ARL SEMQ |
AGB8334 | 19.8mm | Hitachi, with metal ring |
AGB8335 | 20.0mm | JEOL 50A, 35 and 6000F series, Leitz/AMRAY except 1200 |
AGB8336 | 20.0 x 2mm | Philips/FEI |
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