Zobrazeno 1 - 10
of 60
pro vyhledávání: '"A. J. PERROTTA"'
Publikováno v:
Microporous and Mesoporous Materials. 153:18-23
Single crystals of a three dimensional ammonium aluminophosphate (PSU-3) have been synthesized as a minor phase in the synthesis of the unknown cyclohexylamine templated ALPO structure UHM-5, and its structure determined by single crystal X-ray diffr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3be47422ff64bca79d51acaf622e7c5
https://doi.org/10.1016/j.micromeso.2011.11.028
https://doi.org/10.1016/j.micromeso.2011.11.028
Publikováno v:
Microporous and Mesoporous Materials. 123:274-279
Single crystals of hexagonal and dihexagonal morphology cancrinites, crystallized in the same batch reaction with sodalite, have been characterized by X-ray diffraction analysis. Although the unit cell values are almost identical, Si–O bond lengths
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f6e5b98aecd13a953a062a88a5ef4e6
https://doi.org/10.1016/j.micromeso.2009.04.021
https://doi.org/10.1016/j.micromeso.2009.04.021
Publikováno v:
Crystal Growth & Design. 6:2072-2075
Large transparent crystals (up to 800 μm) of a hydroxy-sodium gallogermanate sodalite have been prepared at between 100 and 150 °C in aqueous sodium tetramethylammonium hydroxide solutions. Single-crystal structure analysis gave the expected space
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f52e6af5eef0b04c4e9a07701c67b1d4
https://doi.org/10.1021/cg060164c
https://doi.org/10.1021/cg060164c
Publikováno v:
Chemistry of Materials. 18:3611-3615
By reacting a pre-made aluminophosphate (ALPO, P:Al = 0.9) gel with an aqueous tripropylamine solution of KOH and TMAOH, we have synthesized a new porous 3D crystalline structure (PSU-2) under high...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a90f0dde427860c5c5b99d448980cf05
https://doi.org/10.1021/cm0521572
https://doi.org/10.1021/cm0521572
Autor:
Gregory S. Rohrer, Anthony J. Perrotta, Neal R. Dando, Altaf H. Carim, Shih-Ying Tzeng, Cathy Lane Rohrer
Publikováno v:
Journal of the American Ceramic Society. 80:2677-2680
A new two-step transformation sequence has been identified for the conversion of diaspore (α-AlOOH) to corundum (alpha-Al2O3). The powder X-ray diffraction pattern of the intermediate phase, designated alpha'-Al2O3, has been indexed to a monoclinic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b440a478f9f6e2765cddb1a2d91dad72
https://doi.org/10.1111/j.1151-2916.1997.tb03171.x
https://doi.org/10.1111/j.1151-2916.1997.tb03171.x
Publikováno v:
Journal of the American Ceramic Society. 84:1896-1902
“Diasporic” precursors derived from sols formed by the controlled hydrolysis of aluminum sec-butoxide in the presence of HCl yielded mixtures of corundum and amorphous alumina when calcined between 500° and 800°C. The fraction of corundum in th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::772a7e923a1b12cdabcfdc1ef5039a49
https://doi.org/10.1111/j.1151-2916.2001.tb00933.x
https://doi.org/10.1111/j.1151-2916.2001.tb00933.x
Publikováno v:
Journal of the American Ceramic Society. 85:2325-2330
The influence of magnesium, phosphorus, and iron additions on the low-temperature (≤1000°C) sintering of nanocrystalline α-Al 2 O 3 derived from α-AlOOH has been investigated. α-AlOOH powder with a surface area of 50 m 2 /g yielded α-Al 2 O 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67e4deff83d2d7935f15d912e8a05e6a
https://doi.org/10.1111/j.1151-2916.2002.tb00455.x
https://doi.org/10.1111/j.1151-2916.2002.tb00455.x
Publikováno v:
Journal of Dispersion Science and Technology. 22:143-165
Direct precipitation of metal oxides from high boiling point organic solvents presents an alternative to wholly aqueous hydrothermal material synthesis routes. In the current study, reaction conditions to control particle size and shape of α-alumina
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f36129c8a54321b291cf0f534cb52c39
https://doi.org/10.1081/dis-100105201
https://doi.org/10.1081/dis-100105201
Autor:
Yimei Zhu, Shigeo Ohshio, Yacov Haimes, Wei Huang, Yanchun Zhou, Hans Conrad, Hirotaka Wakabayashi, Hidetoshi Saitoh, Yoshiaki Takata, Xiaochun Wu, Li Wang, Rongyao Wang, Norio Tanaka, Bingsuo Zou, Sishen Xie, S. Shimomsto, Qianwang Chen, A. J. Perrotta, Jay Switzer, Jiren Xu, Li Fei, Noriyuki Yamasaki, Keizo Uematsu
Publikováno v:
Materials Technology. 13:80-83
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67099ef6ed9f5f5e7f3bfc721f786ee5
https://doi.org/10.1080/10667857.1998.11753158
https://doi.org/10.1080/10667857.1998.11753158
Publikováno v:
Science. 277:788-791
Corundum, α-Al 2 O 3 , is the thermodynamically stable phase of coarsely crystalline aluminum oxide, but syntheses of nanocrystalline Al 2 O 3 usually result in γ-Al 2 O 3 . Adsorption microcalorimetry, thermogravimetric analyses, and Brunauer-Emme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff0db7e9ccf0dfb5aba05eae9cb1f2d3
https://doi.org/10.1126/science.277.5327.788
https://doi.org/10.1126/science.277.5327.788