Pressure effect in the Hg-based superconductors: A structural study
R. Gatt, J. S. Olsen, L. Gerward, I. Bryntse, A. Kareiva, I. Panas, L. G. Johansson
DOI 10.1103/PhysRevB.57.13922 · Physical Review B
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
Energy-dispersive synchrotron x-ray-diffraction studies were performed on powder samples of Hg1212 and Hg1223 in a diamond-anvil cell at pressure up to 300 kbar. High compressibility was found. A reversible structural transition was observed, which is suggested to correspond to a pressure-induced ordering along the c axis. The accommodation of the Ba ion at high pressure is studied, and the effect it might have on the electronic structure of these materials is discussed by employing results from cluster calculations.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| HgBa2CaCu2O6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 127 | Pressure unresolved | onset |
| HgBa2Ca2Cu3O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 135 | Pressure unresolved | unknown |
| HgBa2Ca2Cu3O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 164 | 31 GPa | unknown |
Similar papers
ac response of Hg-based superconductors: Surface barrier and bulk pinning contributions
similarity 0.97L. Fàbrega et al.
Source status unknown — claims are unverified
Transition temperature and a spatial dependence of the superconducting gap for multilayer high-temperature superconductors
similarity 0.97Krzysztof Byczuk & Jozef Spałek
Source status unknown — claims are unverified
Superconducting-state thermodynamic parameters and anisotropy of HgBa2Can−1CunOy by reversible magnetization measurements
similarity 0.97R. Puźniak et al.
Source status unknown — claims are unverified
Oxygen dependence of the crystal structure of HgBa2CuO4+δ and its relation to superconductivity
similarity 0.97Q. Huang et al.
Source status unknown — claims are unverified
Relaxation effects in the transition temperature of superconducting HgBa2CuO4+δ
similarity 0.97S. Sadewasser et al.
Source status unknown — claims are unverified
Dependence of Tc and transport properties on the Cu valence in HgBa2Can−1CunO2(n+1)+δ (n=2,3) superconductors
similarity 0.97A. Fukuoka et al.
Source status unknown — claims are unverified