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Cd2re2o7 resistivity

WebOct 10, 2001 · We report the first pyrochlore oxide superconductor ${\\mathrm{Cd}}_{2}{\\mathrm{Re}}_{2}{\\mathrm{O}}_{7}$. Resistivity, magnetic susceptibility, and specific heat measurements on single crystals evidence a bulk superconductivity at 1 K. Another phase transition found at 200 K suggests that a …

[cond-mat/0402006] Unprecedented Superconductivity in the beta …

WebCiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract. We make the first report that a metallic pyrochlore oxide Cd2Re2O7, exhibits type II superconductivity at 1.1 K. The pyrochlore oxide is known to be a geometrical frustrated system, which includes the tetrahedral network of magnetic ions. A large number of … WebMay 23, 2002 · Electronic properties of the metallic pyrochlore oxide Cd 2 Re 2 O 7 are studied by means of electrical resistivity and Hall measurements. Semimetallic band structures are revealed as expected from band structure calculations. fizhy youtube https://bricoliamoci.com

[1712.03617] Pyrochlore Oxide Superconductor Cd2Re2O7 Revisited

WebSep 16, 2005 · We have measured the polarized Raman scattering spectra of Cd2Re2O7, the first superconducting pyrochlore, as a function of temperature. For temperatures below the cubic-to-tetragonal structural phase transition (SPT) at 200 K, a peak with B1 symmetry develops at zero frequency with divergent intens … WebApr 21, 2024 · In the presence of strong Coulomb interactions, the fluid of mobile electrons in a metal can spontaneously break the point group symmetries of the underlying crystal lattice, realizing the quantum analog of a nematic liquid crystal ().Like their classical counterparts, quantum nematic phases generally preserve spatial inversion symmetry … WebSep 4, 2024 · The successive phase transitions of the pyrochlore oxide Cd2Re2O7 are studied by polarizing microscopy and magnetic susceptibility measurements. The … can non members order from costco online

Pyrochlore Oxide Superconductor Cd2Re2O7 Revisited

Category:High-pressure study on the superconducting pyrochlore oxide Cd2Re2O7

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Cd2re2o7 resistivity

[cond-mat/0402006] Unprecedented Superconductivity in the beta …

WebJan 9, 2003 · We examine the resistivity and thermopower of single crystal specimens of the pyrochlore oxide Cd2Re2O7 at pressures up to 2GPa. Thermopower proves to be a sensitive tool in the study of the phase... Global Survey WebDec 11, 2024 · The superconducting pyrochlore oxide Cd2Re2O7 is revisited with a particular emphasis on the sample-quality issue. The compound has drawn attention as …

Cd2re2o7 resistivity

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WebJan 13, 2024 · Abstract. Second harmonic generation (SHG) on the pyrochlore metal Cd 2 Re 2 O 7 indicates the presence of three order parameters setting in below an inversion breaking transition. Here, we explore a possible structural explanation and relate it not only to the SHG data but also to neutron and x-ray diffraction, where we find that such a ... WebJun 1, 2002 · We prepared single crystals of Cd 2 Re 2 O 7 and measured resistivity and specific heat down to ∼0.4 K . A sharp drop in resistivity and a large jump in specific …

WebWe report photoemission study of the pyrochlore superconductor Cd 2 Re 2 O 7.The valence-band spectra show the Re 5d dominant band close to the Fermi level (E F), consistent with the recent band calculations.Temperature-dependent study of the Re 5d band reveals a gradual change in spectral shape, as is seen from a gradual modification … WebNov 22, 2002 · Electronic properties of the metallic pyrochlore oxide Cd2Re2O7 are studied by means of electrical resistivity and Hall measurements. Semimetallic band structures are revealed as expected from band structure calculations. It is found that large changes in carrier density and mass occur at the structural phase transition at Ts1 = 200 K. A large …

WebJan 31, 2004 · Superconductivity in the potassium osmium oxide KOs2O6 crystallizing in the beta-pyrochlore structure is studied by means of electrical resistivity, magnetic susceptibility and specific heat. It is the second superconductor in the family of pyrochlore oxides, following the alfa-type pyrochlore oxide Cd2Re2O7 which is believed to be a … WebJun 1, 2002 · We found a very sharp drop in resistivity due to superconductivity, as typically shown in the inset to Fig. 2.The onset temperature is 1.06 K and a zero-resistivity within our experimental resolution of ∼10 nV for the voltage detection is attained below 0.99 K. Correspondingly, a large diamagnetic signal due to the Meissner effect was observed …

WebDec 26, 2024 · The superconducting pyrochlore oxide Cd 2 Re 2 O 7 is revisited with a particular emphasis on the sample-quality issue. The compound has drawn attention as …

WebEvidence of another phase transition at 120 K in the metallic pyrochlore oxide Cd 2 Re 2 O 7, following a structural transition at 200 K and followed by a superconducting transition at 1.0 K, is obtained by resistivity, magnetoresistance, specific heat, and X-ray diffraction measurements.The results indicate unique successive structural and electronic … can non members use costcoWebNov 20, 2001 · Superconducting and structural phase transitions in a pyrochlore oxide Cd2Re2O7 are studied under high pressure by x-ray diffraction and electrical resistivity measurements. A rich P-T phase diagram is obtained, which contains at least two phases with the ideal and slightly distorted pyrochlore structures. It is found that the transition … fizik bicycle seat bag with strap-mediumWebThe superconductivity of Cd 2 Re 2 O 7 is investigated under hydrostatic pressures up to 4.6 GPa by means of electrical resistivity. A rich phase diagram is obtained, which contains at least five new pressure-induced phases in addition to the three already present at ambient pressure, revealing inherent structural and electronic instabilities of the compound. cannon memorial ymca harrisburg