Zobrazeno 1 - 10
of 55
pro vyhledávání: '"D. O. Pederson"'
Publikováno v:
Solid State Communications. 95:277-280
Nearly-pure 1201-type cuprate HgBa2CuO4+δ was successfully synthesized at ambient pressure in an open system, and was characterized by powder x-ray diffraction analyses and by resistance and ac susceptibility measurements. The lattice parameters are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f7845e138836ca7058e55a7ba85c453
https://doi.org/10.1016/0038-1098(95)00258-8
https://doi.org/10.1016/0038-1098(95)00258-8
Publikováno v:
Journal of Applied Physics. 76:2122-2128
Temperature variation of the coefficients of linear thermal expansion and optical length was measured with an interferometer using 632.8 nm wavelength light from a He‐Ne laser over the temperature range of 300–1300 K. The experiment was carried o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::955e10bb941afadb41e85ad4fd0e695d
https://doi.org/10.1063/1.358459
https://doi.org/10.1063/1.358459
Publikováno v:
Physica C: Superconductivity. 214:190-194
In the two-step fabrication of Tl-Ba-Ca-Cu-O thin films, Tl 2 Ba 2 Ca 2 Cu 3 O 10 (Tl-2223) and Tl 1 Ba 2 Ca 2 Cu 3 O 9 (Tl-1223) films with good superconducting properties can be produced at a relatively low Tl-diffusion temperature. Our study shows
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c10b131e96db32aafe46625ce5e2331b
https://doi.org/10.1016/0921-4534(93)90128-d
https://doi.org/10.1016/0921-4534(93)90128-d
Publikováno v:
Modern Physics Letters B. :1141-1151
A new 1223-type (Tl,Cr)-based superconducting layered cuprate ( Tl 1−x Cr x) Sr 2 Ca 2 Cu 3 O 9 with x = 0.25 or 0.50 has been successfully synthesized in the pure or nearly pure form and identified by powder X-ray diffraction analyses. An excessiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9e62459dce6622f9f5e5b211902d618
https://doi.org/10.1142/s0217984993001144
https://doi.org/10.1142/s0217984993001144
Autor:
K.C. Goretta, Y.F. Li, Donglu Shi, Y.Q. Tang, D. O. Pederson, Z.Y. Chen, P. Kostic, Z.Z. Sheng
Publikováno v:
Physica C: Superconductivity. 212:206-210
Bi may substitute Tl in the 1222-type cuprate TlSr 2 (Nd 0.75 Ce 0.25 ) 2 Cu 2 O z up to 80%. The Tl-free Bi-1222 cuprate does not form even from a Bi-1222 starting composition. The c -axis and cell volume of the (Tl, Bi)-1222 cuprate decrease with t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd318bcbb1f5183be049285505418668
https://doi.org/10.1016/0921-4534(93)90504-j
https://doi.org/10.1016/0921-4534(93)90504-j
Publikováno v:
Modern Physics Letters B. :761-769
A new series of 1223-type (Tl, V)-based layered cuprates (Tl, V)(Sr,Ba) 2 Ca 2 Cu 3 O 9 has been successfully synthesized and identified by powder X-ray diffraction. Partial substitutions of V for Tl and Ba for Sr promote the formation of (Tl, V)-bas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1df2012414c79efeb9ef56a06cbb5f0c
https://doi.org/10.1142/s0217984993000746
https://doi.org/10.1142/s0217984993000746
Publikováno v:
Superconductor Science and Technology. 6:261-264
Bulk samples of nearly-pure 2234-phase Tl2Ba2Ca3Cu4O12 were synthesized near the melting point from starting compositions of either Tl2Ba2Ca3.3Cu4Oz or Tl2Ba2Ca4Cu5Oz. Well crystallized 'clusters' of 2234-phase Tl2Ba2Ca3Cu4O12 were also prepared by m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7b321f6ae161432034148ee4933c43e
https://doi.org/10.1088/0953-2048/6/4/008
https://doi.org/10.1088/0953-2048/6/4/008
Publikováno v:
Zeitschrift f�r Physik B Condensed Matter. 90:19-22
Synthesis and superconductivity of a new 1222-type layered cuprate (Tl1−xNbx) Sr2(Nd1−yCey)2Cu2Oz have been studied. The structure of this cuprate is directly related to that of Nb-1222 NbSr2(Nd, Ce)2Cu2Oz with tetragonal body-center lattice. Par
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0d4cbf280d5ac66ea8c32cb94bd8e73
https://doi.org/10.1007/bf01321028
https://doi.org/10.1007/bf01321028
PREPARATION AND SUPERCONDUCTIVITY OF NEW 214-TYPE CUPRATES (La1.85−xCa0.15Ax)CuO4−y (A=Bi, Pb or Tl)
Publikováno v:
Modern Physics Letters B. :1911-1917
Single-phase 214-type cuprates (La1.70Ca0.15Bi0.15)CuO4−y and (La1.70Ca0.15Pb0.15) CuO4−y have been successfully synthesized and identified by X-ray diffraction analyses. The former has a superconducting onset temperature of about 35 K which is h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db4531b458f13c8a406d354106d67fe3
https://doi.org/10.1142/s0217984992001617
https://doi.org/10.1142/s0217984992001617
Publikováno v:
Superconductor Science and Technology. 5:538-541
Superconducting Tl2Ba2Ca2Cu3O10 films with zero-resistance temperature over 120 K have been prepared on various substrates. Precursor BaCaCuO films were deposited by spray pyrolysis at 350-400 degrees C followed by a short time heating at 850 degrees
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed07c16b419c1fa8a4e0b4c802091dde
https://doi.org/10.1088/0953-2048/5/9/003
https://doi.org/10.1088/0953-2048/5/9/003