Zobrazeno 1 - 10
of 62
pro vyhledávání: '"I. Jaek"'
Autor:
Mihkel Kerikmäe, V. Seeman, M. Danilkin, I. Jaek, Hugo Mändar, V. D. Kuznetsov, Aime Lust, L. Pung, Arno Ratas, S. O. Klimonsky
Publikováno v:
Radiation Measurements. 45:562-565
Thermoluminescence, dose dependences, and EPR of Mn-doped lithium tetraborate are studied. Mn is shown not to change a charge state during energy storage and release. Mn2+ amount decreases only at very high doses. The amount of Mn2+ depends on the si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d42ad1165af6c889d90280bcb45c2370
https://doi.org/10.1016/j.radmeas.2010.01.045
https://doi.org/10.1016/j.radmeas.2010.01.045
Publikováno v:
Journal of Applied Spectroscopy. 75:820-825
It is shown that repeated cycles of laboratory irradiation/heating, being a component part of the majority of luminescent dating protocols, cause a change in sensitivity of quartz and feldspars. As a rule, these changes relax within one month and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::296681d87a00521902355c8a8a12cb15
https://doi.org/10.1007/s10812-009-9127-9
https://doi.org/10.1007/s10812-009-9127-9
Publikováno v:
Journal of Applied Spectroscopy. 74:357-363
With the aim of determining the reasons for fading in paleodosimeters based on alkali feldspars, we have carried out a broad experimental study of various luminescent characteristics of these materials over a broad temperature range (from nitrogen te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d2e4cf41bdc6e7727737117b5baf71d
https://doi.org/10.1007/s10812-007-0058-z
https://doi.org/10.1007/s10812-007-0058-z
Publikováno v:
Journal of Applied Spectroscopy. 72:218-223
Reasons for a temporal decrease (fading) in the accumulated energy in feldspars used as paleodosimeters are considered. The tunneling processes capable of leading to fading as well as temperature and time dependences of tunnel afterglow have been stu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4dc011c8f7280521828ab3fabd54db60
https://doi.org/10.1007/s10812-005-0058-9
https://doi.org/10.1007/s10812-005-0058-9
Autor:
I. Jaek, V. Vasil’chenko
Publikováno v:
Journal of Applied Spectroscopy. 69:310-314
We consider the method of measuring optically stimulated persistence for radiation dosimetry based on separation in time of stimulating irradiation and of the recording of luminescence response. It is shown that here stimulation by shortwave radiatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d104ee77742b7be393104c5f4afa36b5
https://doi.org/10.1023/a:1016114007899
https://doi.org/10.1023/a:1016114007899
Publikováno v:
Quaternary Science Reviews. 20:767-772
The Lithuanian Maritime Region of the Baltic Sea is notable for widely spread sandy sediments of different stages of Baltic Sea development — from post-glacial (Late Weichselian) to recently settled marine sediments. The OSL dating of about 70 sand
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c6b6b28c485612b6923f29f757950652
https://doi.org/10.1016/s0277-3791(00)00011-1
https://doi.org/10.1016/s0277-3791(00)00011-1
Publikováno v:
Quaternary Science Reviews. 20:773-777
The 210°C thermoluminescence (TL) peak of quartz, extracted from brick fragments of Somero sacristy (Finland), which were partly elements of construction, were used for the measurement of archaeological dose for the purpose of dating. The annual gam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14d5444de53aee696622e46df341fa56
https://doi.org/10.1016/s0277-3791(00)00017-2
https://doi.org/10.1016/s0277-3791(00)00017-2
Publikováno v:
Applied Radiation and Isotopes. 54:175-182
For the optimization of luminescence dating and dosimetry techniques on the basis of the optically stimulated luminescence, the stimulation spectra of quartz and alkali feldspars were measured in the spectral region of 250-1100 nm using optically sti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4178b9b098fe702368ec1933f83c654
https://doi.org/10.1016/s0969-8043(99)00273-0
https://doi.org/10.1016/s0969-8043(99)00273-0
Autor:
E. Pärnoja, L. Pung, T. Tõnutare, A. Ots, M. Danilkin, Arno Ratas, I. Jaek, M. Must, Mihkel Kerikmäe, V. Seeman
Publikováno v:
Radiation Measurements. 45:559-561
Thermoluminescence (TL), dose-dependence of TL, optically stimulated luminescence (OSL), and EPR of Eu-doped strontium sulphate are studied. Eu enters the host lattice in 2+ charge state and does not change the charge state during energy storage and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba99310a1d5ea055a2701698bddb368c
https://doi.org/10.1016/j.radmeas.2010.02.007
https://doi.org/10.1016/j.radmeas.2010.02.007
Publikováno v:
Radiation Protection Dosimetry. 84:467-470
The stimulation spectra of quartz and alkali feldspars were measured in the spectral region of 250-1100 nm, using optically stimulated afterglow. The effective stimulation in the spectral region 250-400 nm is revealed. It is established that the stud
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1766fc93d576c9400b9c4b1a38876e36
https://doi.org/10.1093/oxfordjournals.rpd.a032778
https://doi.org/10.1093/oxfordjournals.rpd.a032778