Th Pawlik and J-M Spaeth 1997 J. Phys.: Condens. Matter 9 8737 doi:10.1088/0953-8984/9/41/018
Electron and hole centres in the x-irradiated elpasolite crystal 
studied by means of electron paramagnetic resonance and electron nuclear double resonance
Th Pawlik and J-M Spaeth
Show affiliationsWe report on the first investigation of radiation-induced defects in the cubic elpasolite 
produced by low-temperature x-irradiation. Upon x-irradiation at 30 K a 
-type hole centre and an electron centre identified as 
are formed. The centre is stable up to 70 K. At this temperature it recombines with a proportion of the centres. The remaining centres decay at approximately 150 K. The properties of the centre in are very similar to those of the 
centre in NaCl. The centre can be described by a Jahn - Teller distorted 
ground state. In ENDOR experiments, evidence was found for a reorientation of the 
centre complex.
- PACS
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76.70.Dx Electron-nuclear double resonance (ENDOR), electron double resonance (ELDOR)
61.72.-y Defects and impurities in crystals; microstructure
76.30.Mi Color centers and other defects
71.70.Ej Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect
- Subjects
- Dates
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Issue 41 (13 October 1997)
Received 13 May 1997
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Electron and hole centres in the x-irradiated elpasolite crystal studied by means of electron paramagnetic resonance and electron nuclear double resonance
Th Pawlik and J-M Spaeth 1997 J. Phys.: Condens. Matter 9 8737
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