To see the home page of the Solid State Optoelectronics group and a list of publications somewhere there click here.
Here you will find a presentation at SCINT 2005, Crimea, Alushta, Ukraine "Scintillation light yield of Ce-doped LuAP and LuYAP pixel crystals and the paper under the same title submitted to the conference proceedings click here. Here you will find a presentation at Polish-French-Israeli Symposium on Spectroscopy of Modern Materials in Physics and Biology, Bedlewo, 2004, Poland "Scintillation properties of selected oxide monocrystals activated with Ce and Pr" and the paper under the same title submitted to the conference proceedings, the paper and the figures. The paper has now been published in Optical Materials, Volume 28, Issues 1-2, January 2006, Pages 85-93. You can read it on line using the DOI link: http://dx.doi.org/10.1016/j.optmat.2004.09.029 We have also presented a poster on light yield measurements at this symposium, click here. Here comes a presentation on electronic transitions in LuAP, delivered at SCINT 2007 in Winston-Salem, NC, USA, June 2007, click here. Here you have a presentation on VUV spectroscopy of BaF2:Er, delivered at French-Polish Symposium on Spectroscopy of Modern Materials in Physics, Chemistry and Biology, July 2007, Clermont-Ferrand, France, click here. Here you have a presentation on fast (but not quenched!) d-f emission from (Ba,La)F2:Er, delivered at ICL 08, July 2008, Lyon, France, click here. Here you have a presentation on VUV/UV spectroscopy of wide bandgap materials activated with lanthanide ions, delivered at IWASOM'08, July 2008, Gdansk, Poland, click here. Here you have a presentation on VUV/UV studies of host-to-ion energy transfer mechanisms in BaF2:Ce, presented at Optoelectronics Seminar, Oct. 26, 2009, IF UMK Toruń, Poland, click here. Here you have a presentation on fast and slow emission sites in BaF2:Er and (BaLa)F2:Er, the latest results, delivered at ESTE 2010, Sept. 04-09, 2010, Wrocław and Piechowice, Poland click here. Here you have a poster and the paper (submitted to Optical Materials) on d(e) and d(t) (!!) related HS (high spin) states of 4f75d1 configuration of Tb3+, presented at ESTE 2010, Sept. 04-09, 2010, Wrocław and Piechowice, Poland, a poster click here and the paper click here. In Polish. Referat wygłoszony na Kolokwium Czwartkowym w Instytucie Fizyki UMK, kliknij tutaj. Here you have a selection of short papers representative of our research which you can read on-line. These papers were published in Hasylab Annual Reports, Hamburg. The experiments were done at Superlumi station, I-beamline, Hasylab, DESY.1998
1. A.J. Wojtowicz, W. Drozdowski, J. Glodo, D. Wisniewski, VUV studies of radiative recombination in rare-earth activated wide bandgap materials; BaF2:Ce, here.
2. A.J. Wojtowicz, W. Drozdowski, J. Glodo, P. Szupryczynski, D. Wisniewski, VUV studies of radiative recombination in rare-earth activated wide bandgap materials; LuAlO3:Ce, here.
3. J. Glodo, A.J. Wojtowicz, Investigation of Electron Traps in YAP:Ce, here.
4. W. Drozdowski, A.J. Wojtowicz, Spectrally resolved thermoluminescence of BaF2 doped with Ce3+, Pr3+, and Tb3+ ions, here.
1999
1. Wojtowicz, A.J., Drozdowski, W., Glodo, J., Wisniewski, D., VUV studies of charge trapping in BaF2:Ce, here.
2. Wojtowicz, A.J., Brunka, R.S., Drozdowski, W., Wisniewska, M., Mares, J.A., VUV studies of Gd-related energy transfer in Ce-doped mixed Lu, Gd aluminium perovskite, here.
3. Drozdowski, W., Glodo, J., Wojtowicz, A.J., VUV and UV luminescence in BaF2:Er, here.
4. Wojtowicz, A.J., Malinowski, M., Luminescence and energy transfer processes in La2Be2O5:Pr, here.
5. Wojtowicz, A.J., Wisniewska, M., Malinowski, M., Sharp line and broad band UV emissions from Pr-activated YAG, here.
2000
1. Szupryczynski, P., Glodo, J., Drozdowski, W., Wojtowicz, A.J., Two modes of the Vk center decay in BaF2:Ce, here.
2. Drozdowski, W., Szupryczynski, P., Wojtowicz, A.J., VUV-excited luminescence time profiles of Ce- and Pr-doped BaF2: the contribution from VK centers, here.
3. Wojtowicz, A.J., Drozdowski, W., Galazka, Z., Lukasiewicz, T., VUV-excited emission time profiles of YAlO3:Ce,Co, here.
4. Wojtowicz, A.J., Galazka, Z., Lukasiewicz, T., Drozdowski, W., Wisniewska, M., New UV/VIS emission from Ce and Co activated YAlO3, here.
5. Wisniewska, M., Wojtowicz, A.J., Lukasiewicz, T., Frukacz, Z., Galazka, Z., Malinowski, M., VUV - excited luminescence of YAP:Pr, here.
2001
1. Wojtowicz, A.J., Drozdowski, W., Szupryczynski, P., Boatner, L.A., VUV studies of new potential scintillator material, Rb3Lu(PO4)2:Ce, here .
2. Drozdowski, W., Wojtowicz, A.J., Boatner, L.A., Radiation trapping in Rb3Lu(PO4)2:Ce, here .
3. Wojtowicz, A.J., Galazka, Z., Lukasiewicz, T., Drozdowski, W., Szupryczynski, P., VUV studies of host and Ce3+ emissions in YAlO3, here .
4. Szupryczynski, P., Wojtowicz, A.J., Galazka, Z., Lukasiewicz, T., Photoionization transition in YAlO3:Ce, here .
2002
1. Wisniewski, D., Wojtowicz, A.J., Drozdowski, W., Farmer, J.M., Boatner, L.A., Nonexponential decay of Ce-emission in Rb3Lu(PO4)2:Ce and Cs3Lu(PO4)2:Ce, here .
2. Drozdowski, W., Wojtowicz, A.J., Wisniewski, D., Szupryczynski, P., Studies of Two Cerium Sites in Lu2SiO5:Ce and Y2SiO5:Ce, here .
3. Drozdowski, W., Wojtowicz, A.J., Wisniewski, D., Szupryczynski, P., VUV Response of the Lu2SiO5:Ce Scintillator, here .
2003
1. Drozdowski, W., Wojtowicz, A.J., Wisniewski, D., Janus, S., Melcher, C.L., Szupryczynski, P., Studies of Two Cerium Sites in Mixed (Lu,Y,Gd)2SiO5:Ce Crystals, here .
2. Wojtowicz, A.J., Drozdowski, W., Szupryczynski, P., Wisniewski, D., Melcher, C.L., Ce3+ and host emissions in VUV excited Lu2SiO5:Ce, here .
3. Wisniewski, D., Wojtowicz, A.J., Drozdowski, W., Farmer, J.M., Boatner, L.A., Luminescence Properties of K3Lu(PO4)2:Ce Crystals, here .
2004
1. Wojtowicz, A.J., Wisniewski, K., Ptaszyk, M., Lukasiewicz, T., Kisielewski, J., VUV spectroscopy of Pr-activated LuAP, here .
2. Wojtowicz, A.J., Wisniewski, K., Ptaszyk, M., VUV studies of energy transfer processes in GSO:Ce, here .
2006
1. Wojtowicz, A.J., Janus, S., Temperature effects in the VUV excitation spectra of Ce-activated LuAP, here .
2007
1. Wojtowicz, A.J., Janus, S., High energy 4f11 and 4f105d levels of Er3+ in BaF2, here .
2. Theis, R., Wojtowicz, A.J., Photon cascade emission in LaF3:Ce,Pr crystals, here .
2008
1. Wojtowicz, A.J., Janus, S., Palczewski, P and Witkowski, M., VUV and UV emissions from Er3+ in (Ba,La)F2, here .
2010
1. Wojtowicz, A.J., Witkowski M.E., Spin forbidden 4f8 - 4f75d(t) transitions in BaF2:Tb, here .
2011
1. Wojtowicz, A.J., Brylew K, Palczewski P.,Witkowski M.E., Excited Pr3+ - Pr3+-Trapped Exciton Conversion in BaF2, submitted .
2. Witkowski M.E., Wojtowicz, A.J., The Pr3+ 1S0 emission from (Ba,La)F2:Pr, submitted .
3. K. Brylew, M.E. Witkowski, P. Palczewski, A.J. Wojtowicz, and W. Drozdowski, VUV Spectroscopy of Lu3Al5O12:Pr, submitted .
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