Specific-heat of polycrystalline (Hg,Pb)Ba2Ca2C3O8+δ near Tc
✍ Scribed by O. Jeandupeux; A. Schilling; S. Büchi; J.D. Guo; H.R. Ott
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 149 KB
- Volume
- 235-240
- Category
- Article
- ISSN
- 0921-4534
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
We report pure zero field nuclear magnetic resonance (NQR) measurements on the optimally doped three layer high-T c -compounds HgBaCaCuO and HgBaCaCuO(F) with T c ¼ 134 K. Above T c two Cu NQR line pairs are observed in the spectra corresponding to the two inequivalent Cu lattice sites. Below T c th
First-harmonic x, and third-harmonic x3 a.c. susceptibility measurements have been carried out on a Hg0.66Pb,,34Ba2Ca2Cu 2 0 8+s sample. The frequency dependence of the onset temperature of x3 can be described well by T,,( fl = C(27~fl'I((~-')~) + Tg. Extrapolating to f=O, we derived the vortex glas
Specific-heat data around the critical temperature Tc = 90 K of polycrystalline YBal 8Cao 2Cu408 show a discontinui\_ty ACp/Tc = 22 mJ/mol K z. In undoped YBa2Cu408 and in YBa2Cu307,'the corresponding anomalies are 15 mJ/mol K z and 55 mJ/mol K z. The in-plane London penetration depthoof the Ca-dope