Solid-State Reactive Sintering of Transparent Polycrystalline Nd:YAG Ceramics Export

@article{Lee2006, abstract = {Transparent polycrystalline Nd:YAG ceramics were fabricated by solid-state reactive sintering a mixture of commercial Al2O3, Y2O3, and Nd2O3 powders. The powders were mixed in methanol and doped with 0.5 wt\% tetraethoxysilane (TEOS), dried, and pressed. Pressed samples were sintered from 17001 to 18501C in vacuum without calcination. Transparent fully dense samples with average grain sizes of B50 lm were obtained at 18001C for all Nd2O3 levels studied (0, 1, 3, and 5 at.\%). The sintering temperature was little affected by Nd concentration, but SiO2 doping lowered the sintering temperature by B1001C. Abnormal grain growth was frequently observed in samples sintered at 18501C. The Nd concentration was determined by energy-dispersive spectroscopy to be uniform throughout the samples. The in-line transmittance was 480\% in the 350–900 nm range regardless of the Nd concentration. The best 1 at.\% Nd:YAG ceramics (2 mm thick) achieved 84\% transmittance, which is equivalent to 0.9 at.\% Nd:YAG single crystals grown by the Czochralski method.}, author = {Lee, Sang-Ho and Kochawattana, Sujarinee and Messing, Gary L. and Dumm, John Q. and Quarles, Gregory and Castillo, Vida}, citeulike-article-id = {670829}, citeulike-linkout-0 = {http://www.blackwell-synergy.com/doi/abs/10.1111/j.1551-2916.2006.01051.x}, citeulike-linkout-1 = {http://dx.doi.org/10.1111/j.1551-2916.2006.01051.x}, citeulike-linkout-2 = {http://www.ingentaconnect.com/content/bsc/jace/2006/00000089/00000006/art00026}, doi = {10.1111/j.1551-2916.2006.01051.x}, issn = {0002-7820}, journal = {Journal of the American Ceramic Society}, keywords = {garnet, nd, shake-bake, sinter, sinter-aid, transparent\_ceramic, yag}, month = {June}, number = {6}, pages = {1945--1950}, posted-at = {2007-08-06 20:07:13}, priority = {0}, publisher = {Blackwell Publishing}, title = {Solid-State Reactive Sintering of Transparent Polycrystalline Nd:YAG Ceramics}, url = {http://dx.doi.org/10.1111/j.1551-2916.2006.01051.x}, volume = {89}, year = {2006} }

TY - JOUR ID - Lee2006 L3 - citeulike-article-id:670829 N2 - Transparent polycrystalline Nd:YAG ceramics were fabricated by solid-state reactive sintering a mixture of commercial Al2O3, Y2O3, and Nd2O3 powders. The powders were mixed in methanol and doped with 0.5 wt% tetraethoxysilane (TEOS), dried, and pressed. Pressed samples were sintered from 17001 to 18501C in vacuum without calcination. Transparent fully dense samples with average grain sizes of B50 lm were obtained at 18001C for all Nd2O3 levels studied (0, 1, 3, and 5 at.%). The sintering temperature was little affected by Nd concentration, but SiO2 doping lowered the sintering temperature by B1001C. Abnormal grain growth was frequently observed in samples sintered at 18501C. The Nd concentration was determined by energy-dispersive spectroscopy to be uniform throughout the samples. The in-line transmittance was 480% in the 350–900 nm range regardless of the Nd concentration. The best 1 at.% Nd:YAG ceramics (2 mm thick) achieved 84% transmittance, which is equivalent to 0.9 at.% Nd:YAG single crystals grown by the Czochralski method. IS - 6 JF - Journal of the American Ceramic Society SN - 0002-7820 EP - 1950 TI - Solid-State Reactive Sintering of Transparent Polycrystalline Nd:YAG Ceramics PB - Blackwell Publishing VL - 89 SP - 1945 KW - garnet KW - nd KW - shake-bake KW - sinter KW - sinter-aid KW - transparent_ceramic KW - yag AU - Lee, Sang-Ho AU - Kochawattana, Sujarinee AU - Messing, Gary AU - Dumm, John AU - Quarles, Gregory AU - Castillo, Vida PY - 2006/06// UR - http://dx.doi.org/10.1111/j.1551-2916.2006.01051.x ER -