Zobrazeno 1 - 10
of 275
pro vyhledávání: '"G.C. Che"'
Publikováno v:
Materialwissenschaft und Werkstofftechnik. 42:727-730
YBa2Cu3-xZnxO7-y compounds with x = 0, 0.05, 0.15, and 0.30 have been synthesized by standard solid state reaction method. The crystal structure, lattice parameters, and oxygen content are not changed by the substitution of Zn for Cu since both valen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b9700a3c9ff80470c8731c493feb515
https://doi.org/10.1002/mawe.201100697
https://doi.org/10.1002/mawe.201100697
Publikováno v:
Journal of Alloys and Compounds. 476:519-523
The crystal structure and electrical properties of Li 1− x NbO 2 have been investigated using XRD and electrical measurements. Li 1− x NbO 2 crystallizes in a hexagonal layered structure. A superconducting transition with T c = 14–17 K was obse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50ac269060f3573eb718d7066c5d92c3
https://doi.org/10.1016/j.jallcom.2008.09.086
https://doi.org/10.1016/j.jallcom.2008.09.086
Publikováno v:
Philosophical Magazine Letters. 88:481-489
Two types of twin boundaries in superconductor Y0.6Na0.4Ba2Cu2.7Zn0.3O7− δ , the cation-centered and oxygen-centered types, and the associated twinning dislocation have been studied by high-resolution electron microscopy. The structure map project
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3dcbb9dd1a69e973e4ca1bd49aeed6d3
https://doi.org/10.1080/09500830802235784
https://doi.org/10.1080/09500830802235784
Publikováno v:
Ultramicroscopy. 108:320-326
The fine structures of the electron energy-loss spectra (EELS) for the B-K edge have been examined in NbB2 and superconducting Nb0.75Mg0.25B2. The experimental results are analyzed based on the calculations of density functional theory (DFT) using th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be3643ed90ff402f825bff48c8d008bc
https://doi.org/10.1016/j.ultramic.2007.05.003
https://doi.org/10.1016/j.ultramic.2007.05.003
Publikováno v:
Superconductor Science and Technology. 20:452-456
Synthesis, lattice parameter changes, grain morphology, superconductivity and specific heat of a new superconductor Nb(1-x)Mg(x)B(2) (0.0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf2b83b3b2c96827873249f40019435c
https://doi.org/10.1088/0953-2048/20/5/008
https://doi.org/10.1088/0953-2048/20/5/008
Publikováno v:
Superconductor Science and Technology. 20:211-215
The structural, morphological, C content and TC changes of the NbC superconductor prepared by Nb powder and carbon nanotubes have been investigated. Our results indicate that high quality NbC superconductor can be obtained using Nb powder and carbon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9d2f3cbfe0980b16e75af8017384de1
https://doi.org/10.1088/0953-2048/20/3/016
https://doi.org/10.1088/0953-2048/20/3/016
Study of incommensurate modulation in V-doped La2Cu1-x(VO)xO4 + δby transmission electron microscopy
Publikováno v:
Philosophical Magazine Letters. 86:633-641
Structural variations in a hole-rich grain of V-doped La2Cu1− x (VO) x O4+ δ (x = 0.045, δ = 0.011) superconducting compound have been studied by electron diffraction and high-resolution transmission electron microscopy. Two types of one-dimensio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::539a0f522fc1f11fda526842559b8022
https://doi.org/10.1080/09500830600941567
https://doi.org/10.1080/09500830600941567
Publikováno v:
Superconductor Science and Technology. 19:206-211
The structural changes and superconductivity of La1.85−2xSr2x+0.15Cu1−xRuxO4 (I) and La1.85Sr0.15Cu1−xRuxO4 (II) systems have been investigated. It was observed that the Ru doping strongly suppresses Tc. The critical contents xc for Tc disappea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::feba92d03250ade9f1beadda7b47c75e
https://doi.org/10.1088/0953-2048/19/2/009
https://doi.org/10.1088/0953-2048/19/2/009
Publikováno v:
Philosophical Magazine Letters. 85:625-630
The high-temperature superconductor Y0.6Na0.4Ba2Cu2.7Zn0.3O7– δ , with a T c of about 60 K, has been studied by electron diffraction and high-resolution electron microscopy. High densities of twin boundaries and anti-phase boundaries are observed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae1644e3123270206662c34a851f4301
https://doi.org/10.1080/09500830500437468
https://doi.org/10.1080/09500830500437468
Publikováno v:
Physica C: Superconductivity and its Applications. 432:53-58
A new preparation route for LiTi2O4 superconductor was presented. The upper critical field and low temperature thermal expansion of LiTi2O4 were investigated. The upper critical field H-C2(0) determined by the measurements of resistance and magnetiza
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::347dac729071ec7e0f79cf3bf53706ef
https://doi.org/10.1016/j.physc.2005.07.009
https://doi.org/10.1016/j.physc.2005.07.009