| | 1 | Author
| Haruo Niki, Kikuhiro Kano, Mitsuhiro Takase, Kensei Majikina, Katsuma Yagasaki, Takeshi Shinohara, Mamoru Omori, Shoichi Tomiyoshi, Etsuo Akiba | Requires cookie* | | | Title
| Oxygen Content Dependence of 63 Cu(l) NQR and Proton NMR in Hydrogen-Doped Antiferromagnetic YBa 2 Cu 3 0 6+A: H y  | | | | Abstract
| The oxygen content dependence of 63 Cu NQR at the Cu(l) site and proton NMR have been meas-ured in the antiferromagnetic phase of powdered samples of hydrogen-doped YBa 2 Cu 3 0 6+x .H v (0.07 < JC < 0.17 and y » 1) from 4.2 to 90 K. The spectrum of 1 H NMR is a single line and the line width increases below 15 Kdue to magnetic interactions. The enhancements of Tf 1 and 7^ 1 of 63 Cu(l)NQR occur around 35 and 15 K, respectively. These enhancements increase with increasing oxygen concen-tration. The maximum values of Tf 1 and T^ for the sample with x = 0.17 reach 200 sec -1 and more than 7 msec -1 , respectively. The predominant source for the relaxation mechanism of 63 Cu(l) NQR and the line broadening of 'H NMR are found to be the fluctuating magnetic field due to the staggered Cu 2+ moments. | | | |
Reference
| Z. Naturforsch. 53a, 518—523 (1998); received March 24 1998 | | | |
Published
| 1998 | | | |
Keywords
| Antiferromagnetic materials, High-T^ superconductor, Spin-lattice Relaxation Time, Cu NQR, Proton NMR | | | |
Similar Items
| Find | | | DEBUG INFO
| | | | | TEI-XML for
| default:Reihe_A/53/ZNA-1998-53a-0518.pdf | | | | Identifier
| ZNA-1998-53a-0518 | | | | Volume
| 53 | |
|
