Zobrazeno 1 - 10
of 43
pro vyhledávání: '"S. J. La Placa"'
Autor:
S. J. La Placa, P. W. R. Corfield
Publikováno v:
Acta Crystallographica Section B Structural Science. 52:384-387
2,2′,5,5′-Tetraselenafulvalene-7,7,8,8-tetracyano-p-quinodimethane (1/1), TSeF–TCNQ, C6H4Se4.C12H4N4, Mr = 596.13, monoclinic, P21/c, a = 12.5048 (4), b = 3.8724 (2), c = 18.5041 (7) Å, β = 104.131 (3)°, V = 868.9 Å3, T = 297 K, Z = 2, F(00
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fcfe7b7c324a23b9ea89e466d3706df
https://doi.org/10.1107/s0108768195012286
https://doi.org/10.1107/s0108768195012286
Publikováno v:
Journal of Solid State Chemistry. 118:170-175
The structure of La{sub 5}Cu{sub 5}O{sub 13.35} was refined from high-resolution synchrotron X-ray diffraction data using the Rietveld method. The unit cell is monoclinic, space group P2/m-C{sup 1}2h (No. 10), with a = 8.62884(5) {angstrom}, b = 3.83
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cc01e4757df9bc3df709d83f701015a
https://doi.org/10.1006/jssc.1995.1327
https://doi.org/10.1006/jssc.1995.1327
Autor:
S. J. La Placa, F. Mehran, D. E. Cox, M. McElfresh, Bruce A. Scott, Joseph F. Bringley, T. R. McGuire
Publikováno v:
Physical Review B. 47:15269-15275
The high-pressure synthesis and electric and magnetic properties of the ${\mathrm{LaCuO}}_{3\mathrm{\ensuremath{-}}\mathrm{\ensuremath{\delta}}}$ system have been studied. The copper valence can be varied in this oxygen-defect perovskite almost conti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebdd2ac9cde1acb5d9adf814aa39d293
https://doi.org/10.1103/physrevb.47.15269
https://doi.org/10.1103/physrevb.47.15269
Publikováno v:
ChemInform. 24
Dicopper(II) dilanthanum pentaoxide, La 2 Cu 2 O 5 , M r =484.90, orthorhombic, Pbam. At T=300 K: a=5.5490 (1), b=10.4774 (2), c=3.8796 (1) A, V=225.557 (8) A 3 , Z=2, D x =7.139 g cm -3 , λ=1.200 A. Final R I =6.20, R p = 14.6 and R wp =20.61%, 124
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cebc42e0f16ca7c58c76b02df3e911a0
https://doi.org/10.1002/chin.199349002
https://doi.org/10.1002/chin.199349002
Publikováno v:
Zeitschrift für Kristallographie - Crystalline Materials. 198:177-212
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d8b1bde560e907c6b4e29638631758f
https://doi.org/10.1524/zkri.1992.198.14.177
https://doi.org/10.1524/zkri.1992.198.14.177
Publikováno v:
Zeitschrift für Kristallographie. 198:177-212
Lattice parameters and crystal structures of the low temperature quartz-type (low-quartz) forms (space group P3 1 21) of SiO 2 and GeO 2 were refined from single crystal X-ray diffraction data under hydrostatic pressures up to 10.2GPa for SiO 2 and 5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7393bae0b0664264fa8561c6bb54e0a7
https://doi.org/10.1524/zkri.1992.198.3-4.177
https://doi.org/10.1524/zkri.1992.198.3-4.177
Publikováno v:
Lecture Notes in Physics ISBN: 9783540092414
In organic metals of the TTF-TCNQ family, the partial filling of the conduction bands is achieved by a charge-transfer reaction between the donor and acceptor components. Typically the conducting phase resulting from this reaction has a fixed stoichi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5643a466fdc886e2dd7aff5cc8f187fb
https://doi.org/10.1007/3-540-09241-2_41
https://doi.org/10.1007/3-540-09241-2_41
Autor:
D. Rios-Jara, Roberto Escudero, A. Bezinge, Edward M. Engler, J. Tagüea, M. E. López-Morales, S. J. La Placa, V. Y. Lee, Paul M. Grant
Publikováno v:
Physical Review B. 41:6655-6667
${\mathrm{PrBa}}_{2}$${\mathrm{Cu}}_{3}$${\mathrm{O}}_{7\mathrm{\ensuremath{-}}\mathit{y}}$ is the only homomorphic member of the entire rare-earth 1:2:3 family which is insulating and not metallic or superconducting. With this unusual behavior in mi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a97065fb1d4c0ea167b645992ec1523
https://doi.org/10.1103/physrevb.41.6655
https://doi.org/10.1103/physrevb.41.6655
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 49:1415-1417
Dicopper(II) dilanthanum pentaoxide, La 2 Cu 2 O 5 , M r =484.90, orthorhombic, Pbam. At T=300 K: a=5.5490 (1), b=10.4774 (2), c=3.8796 (1) A, V=225.557 (8) A 3 , Z=2, D x =7.139 g cm -3 , λ=1.200 A. Final R I =6.20, R p = 14.6 and R wp =20.61%, 124
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b569014b585def5a9ba3c2a3c9ed2f4e
https://doi.org/10.1107/s0108270193001891
https://doi.org/10.1107/s0108270193001891
Autor:
Joseph F. Bringley, Ayush Gupta, G. V. Chandrashekhar, Armin Segmüller, T. R. McGuire, S. J. La Placa
Publikováno v:
Journal of Applied Physics. 70:5745-5747
A c‐axis epitaxial film of composition (Y0.8Ca0.2)Ba2Cu3O6+x is found to be superconducting over a wide range of oxygen stoichiometry, from x≊0 to x≊1.0. The oxygen stoichiometry was varied systematically by annealing films over four decades of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a567b8e1e0a4949c032a7f18272c17e5
https://doi.org/10.1063/1.350147
https://doi.org/10.1063/1.350147