Zobrazeno 1 - 10
of 83
pro vyhledávání: '"M.D. Mathews"'
Publikováno v:
Materials Chemistry and Physics. 98:486-493
The colorless sample of Ca 2 MgWO 6 has been prepared by conventional solid-state reaction of stoichiometric amounts of CaCO 3 , WO 3 and MgO and characterized by Rietveld refinement of the powder XRD data. This compound crystallizes in a monoclinic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28f2348d5e1ae71485410b92698c0f10
https://doi.org/10.1016/j.matchemphys.2005.09.071
https://doi.org/10.1016/j.matchemphys.2005.09.071
Publikováno v:
Journal of Physics and Chemistry of Solids. 67:774-781
In this communication, the high temperature crystal chemistry of scheelite type (space group: I 4 1 / a ) CaMoO 4 (powellite) is reported. The details of the high temperature crystal structures were obtained by high temperature X-ray diffractometer (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f6be22d2dcb8e51c5f807945d1b4eceb
https://doi.org/10.1016/j.jpcs.2005.11.009
https://doi.org/10.1016/j.jpcs.2005.11.009
Publikováno v:
Ceramics International. 32:609-612
The synthesis, characterization and lattice thermal expansion studies of the ThO 2 –Nd 2 O 3 phase with general compositions Th 1− x Nd x O 2− x /2 are reported. Based on XRD data the composition corresponding to solid solubility limit of NdO 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6330e20b4fda04d1c6af6c54604b6914
https://doi.org/10.1016/j.ceramint.2005.04.020
https://doi.org/10.1016/j.ceramint.2005.04.020
Publikováno v:
Materials Research Bulletin. 40:1558-1568
The synthesis, characterization, bulk and lattice thermal expansion of a series of compounds with general composition Ce1−xNdxO2−x/2, (0.0 ≤ x ≤ 1.0) are being reported in this manuscript. XRD pattern of each product was refined to know the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e34bf1a3ac19c277333f6d521e94fab1
https://doi.org/10.1016/j.materresbull.2005.04.014
https://doi.org/10.1016/j.materresbull.2005.04.014
Publikováno v:
Journal of Nuclear Materials. 341:19-24
Cell parameters and linear thermal expansion studies of the Th–M oxide systems with general compositions Th 1− x M x O 2− x /2 (M = Eu 3+ , Gd 3+ and Dy 3+ , 0.0 ⩽ x ⩽ 1.0) are reported. The XRD patterns of each product were refined to spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b43a83a4da4041ce541e8a208954830
https://doi.org/10.1016/j.jnucmat.2004.12.007
https://doi.org/10.1016/j.jnucmat.2004.12.007
Publikováno v:
Journal of Alloys and Compounds. 390:100-105
The high-temperature behavior of Ba2MgWO6 and Sr2MgWO6 double perovskite compounds is studied by high-temperature XRD (HT-XRD) and dilatometer. At ambient temperature, Ba2MgWO6 crystallizes in cubic symmetry with space group Fm-3m (a = 8.1345(2) A an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0dbb579a184739aba811706c53fae999
https://doi.org/10.1016/j.jallcom.2004.05.093
https://doi.org/10.1016/j.jallcom.2004.05.093
Publikováno v:
Journal of Materials Research. 20:350-356
High-temperature dilatometric studies on (Pb1−xCax)TiO3 (x = 0.35, 0.35, 0.40, 0.45) ferroelectric ceramics reveal negative thermal expansion for x ≤ 0.40. The negative thermal expansion coefficient for x = 0.30, as obtained by dilatometry and po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b19b1c78cd51bfcfd4e23ab414fb9a7a
https://doi.org/10.1557/jmr.2005.0062
https://doi.org/10.1557/jmr.2005.0062
Publikováno v:
Journal of Alloys and Compounds. 386:234-237
The synthesis, characterization and bulk thermal expansion studies of a series of compounds with the general composition Th 1− x Nd x O 2− x /2 (0 ≤ x ≤ 1) are reported. The XRD pattern of each product was refined to know the solid solubility
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26a9591e60a35dd2b673fa1d41f03fa6
https://doi.org/10.1016/j.jallcom.2004.04.146
https://doi.org/10.1016/j.jallcom.2004.04.146
Publikováno v:
Powder Diffraction. 19:265-269
The compound Er2BaF8 is prepared by heating appropriate amounts of BaF2 and ErF3 at 900 °C for 18 h in a dry argon filled quartz ampoule. The polycrystalline sample obtained was characterized by a Rietveld refinement of the observed powder diffracti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3234beba6e334bea4cffafeaa24fec3
https://doi.org/10.1154/1.1775227
https://doi.org/10.1154/1.1775227
Publikováno v:
Thermochimica Acta. 390:61-66
The phase transition, bulk and lattice thermal expansion behaviour of the strontium and neodymium substituted lanthanum chromites have been studied by dilatometry and high temperature X-ray powder diffractometry from room temperature to 1123 and 1073
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f42c530461562b1e48c2193c244501e7
https://doi.org/10.1016/s0040-6031(02)00003-5
https://doi.org/10.1016/s0040-6031(02)00003-5