Luminescence of isoelectronic impurities and antisite defects in garnets Export

@article{citeulike:4116367, abstract = {Luminescence centres formation due to the doped isoelectron impurities (II) and antisite defects in the garnets of A3B5O12 (A=Y, Lu, Gd; B=Al, Ga) formula is considered. Substitution of the Y- or Lu-cations by La3+ and Sc3+ II in dodecahedral {c}-sites and of the Al-cations by Y3+, Lu3+, Sc3+ II in octahedral (a)-sites of garnet lattice results in formation of new emission centers in the UV region. The factors that de-termine a capability of the II to form the luminescence centers are studied. These factors include the possibility of the II to occupy (a)- and {c}-positions in the garnet lattice, the difference in the ionic radii of II and regular cations (which has to be \>0.12 \r{A}) and the differences in their electron structure. The most effective garnet phosphors are shown to be Y3Al5O12 and Lu3Al5O12 doped with the La3+ and Sc3+ II. ({\copyright} 2005 WILEY-VCH Verlag GmbH \& Co. KGaA, Weinheim)}, address = {Laboratory of optoelectronic materials, Electronic Department, Ivan Franko National University of Lviv, 107 Gen. Tarnavsky Str., 79017 Lviv, Ukraine}, author = {Zorenko, Y.}, citeulike-article-id = {4116367}, citeulike-linkout-0 = {http://dx.doi.org/10.1002/pssc.200460275}, citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/109866868/ABSTRACT}, doi = {10.1002/pssc.200460275}, journal = {physica status solidi (c)}, keywords = {garnet, scintillators}, number = {1}, pages = {375--379}, posted-at = {2009-03-01 15:24:28}, priority = {2}, title = {Luminescence of isoelectronic impurities and antisite defects in garnets}, url = {http://dx.doi.org/10.1002/pssc.200460275}, volume = {2}, year = {2005} }

TY - JOUR ID - citeulike:4116367 L3 - citeulike-article-id:4116367 N2 - Luminescence centres formation due to the doped isoelectron impurities (II) and antisite defects in the garnets of A3B5O12 (A=Y, Lu, Gd; B=Al, Ga) formula is considered. Substitution of the Y- or Lu-cations by La3+ and Sc3+ II in dodecahedral {c}-sites and of the Al-cations by Y3+, Lu3+, Sc3+ II in octahedral (a)-sites of garnet lattice results in formation of new emission centers in the UV region. The factors that de-termine a capability of the II to form the luminescence centers are studied. These factors include the possibility of the II to occupy (a)- and {c}-positions in the garnet lattice, the difference in the ionic radii of II and regular cations (which has to be >0.12 Å) and the differences in their electron structure. The most effective garnet phosphors are shown to be Y3Al5O12 and Lu3Al5O12 doped with the La3+ and Sc3+ II. (© 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim) IS - 1 JF - physica status solidi (c) AD - Laboratory of optoelectronic materials, Electronic Department, Ivan Franko National University of Lviv, 107 Gen. Tarnavsky Str., 79017 Lviv, Ukraine EP - 379 TI - Luminescence of isoelectronic impurities and antisite defects in garnets VL - 2 SP - 375 KW - garnet KW - scintillators AU - Zorenko, Y PY - 2005/// UR - http://dx.doi.org/10.1002/pssc.200460275 ER -