Erscheinungsdatum | Titel | Autor(en) |
2003 | Influence of Ce and Cr doping on the pyroelectric behaviour of Sr0.6Ba0.39Nb2O6 | Granzow, T; Woike, T; Rammensee, W; Wohlecke, M; Imlau, M ; Pankrath, R |
2001 | Influence of pinning effects on the ferroelectric hysteresis in cerium-doped Sr0.61Ba0.39Nb2O6 | Granzow, T; Dorfler, U; Woike, T; Wohlecke, M; Pankrath, R; Imlau, M ; Kleemann, W |
2005 | Infrared and dielectric spectroscopy of the relaxor ferroelectric Sr0.6Ba0.39NB2O6 | Buixaderas, E; Savinov, M; Kempa, M; Veljko, S; Kamba, S; Petzelt, J; Pankrath, R; Kapphan, S |
1997 | Instrumental neutron activation and absorption spectroscopy of photorefractive strontium-barium niobate single crystals doped with cerium | Woike, T; Weckwerth, G; Palme, H; Pankrath, R |
2004 | Intensity and wavelength dependence of the photoconductivity in Cr-doped Sr0.61Ba0.39Nb2O6 | Dorfler, U; Granzow, T; Woike, T; Wohlecke, M; Imlau, M ; Pankrath, R |
2004 | Investigation of far infrared transitions of Ce3+ in congruent SBN crystals | Demirbilek, R; Kutsenko, AB; Pankrath, R; Kapphan, SE |
2003 | Investigation of photorefractive SBN crystals with atomic force microscopy | Soergel, E; Pankrath, R; Buse, K |
2001 | Investigation of photorefractive two-wave coupling in Cr-doped strontium barium niobate crystal | Zhao, JL; Wang, B; Wu, JJ; Yang, DX; Kapphan, S; Pankrath, R |
2001 | Lifetime of small polarons in strontium-barium-niobate single crystals doped with cerium or chromium | Woike, T; Berben, D; Imlau, M ; Buse, K; Pankrath, R; Kratzig, E |
1999 | Light-induced charge transfer and kinetics of the NIR absorption of Nb4+ polarons in SBN crystals at low temperatures | Gao, M; Pankrath, R; Kapphan, S; Vikhnin, V |
1996 | Light-induced charge transport properties of Sr0.61Ba0.39Nb2O6:Ce crystals | Buse, K; vanStevendaal, U; Pankrath, R; Kratzig, E |
2000 | Light-induced charge-transport properties of photorefractive barium-calcium-titanate crystals doped with rhodium | Veenhuis, H; Borger, T; Peithmann, K; Flaspohler, M; Buse, K; Pankrath, R; Hesse, H; Kratzig, E |
1995 | Light-induced NIR-absorption in Sr0.61Ba0.39Nb2O6:Ce at low temperatures | Greten, G; Kapphan, S; Pankrath, R |
2003 | Light-induced polaronic absorption at low temperature in pure and (Fe, Ce, Cr) doped SrxBa1-xNb2O6 or Ba1-yCayTiO3 crystals and photodissociation of VIS centers into small polarons | Kapphan, SE; Kislova, I; Wierschem, M; Lindemann, T; Gao, M; Pankrath, R; Vikhnin, VS; Kutsenko, AB |
1998 | Light-induced VIS and NIR absorption in SBN : Ce and SBN : Cr crystals | Gao, M; Porcher, S; Pankrath, R; Kapphan, S |
2000 | Light-induced VIS-absorption and light-induced charge transfer in pure and doped SBN crystals | Gao, M; Kapphan, S; Pankrath, R; Feng, XQ; Tang, YF; Vikhnin, V |
1999 | Linear electrooptic coefficient r(42) of tetragonal potassium-tantalate-niobate and barium-calcium-titanate | Neumann, J; Rowe, M; Veenhuis, H; Pankrath, R; Kratzig, E |
2002 | Local electric-field-driven repoling reflected in the ferroelectric polarization of Ce-doped Sr0.61Ba0.39Nb2O6 | Granzow, T; Dorfler, U; Woike, T; Wohlecke, M; Pankrath, R; Imlau, M ; Kleemann, W |
2003 | Luminescence of Ba0.77Ca0.23TiO3 : Cr | Jastrabik, L; Kapphan, SE; Trepakov, VA; Kudyk, IB; Pankrath, R |
2002 | Molecular water in beryl, <SUP>VI</SUP>Al<sub>2</sub> [Be<sub>3</sub>Si<sub>6</sub>O<sub>18</sub>]•<i><sub>n</sub></i>H<sub> 2</sub>O, as a function of pressure and temperature:: An experimental study | Pankrath, R; Langer, K |