After a mention of the structural, magnetic and electronic properties of high-temperature
superconductors (HTSC), the basic principles of NMR-NQR experiments in these …

P 31 nuclear and muon spin-lattice relaxation-rate measurements in SrZnVO (PO 4) 2, a S=
1/2 frustrated magnet on a square lattice, are presented. The temperature (T) dependence of …

La 139 NQR and zero-field μ+ SR in antiferromagnetic (AF) La 2 Cu 1− x Zn x O 4, for x up to
0.13 and in the temperature range 1.6–350 K, are used to study the effects related to the …

The NQR measurements for the Cu (2) and the Cu (1) sites in antiferromagnetic insulator
YBa 2 Cu 3 O 6 with TN= 415 K were carried out in the paramagnetic state for the respective …

We present a detailed study of the ZF‐μSR precession signals in AF YBa 2 Cu 3 O 6+ x for a
series of 0.06\, ≦\, x\, ≦\, 0.39 ceramic samples. Careful analysis of the temperature and …

Abstract 63 Cu (1) NQR signals and their relaxation have been measured in YBa 2 Cu 3 O
6.1 and ErBa 2 Cu 3 O 6+ x at temperatures between 10 K and 300 K. In YBa 2 Cu 3 O 6.1 a …

We study the magnetization and spin excitations of anisotropic bilayer antiferromagnets. We
consider a model Hamiltonian which incorporates the inplane, the intrabilayer and the …

Cu (1) NQR, Cu (2) Zero Field NMR and Tm NMR spin-lattice relaxation data have been
found quite different in the two AF states of the 123 compounds. In the usual AF-I phase of …

We review nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR)
experiments performed in La2CuO4, YBa2Cu3O6, and Ca (Sr) CuO2 which are the …

We study a three-dimensional anisotropic quantum antiferromagnetic Heisenberg model at
finite temperature in which the interplanar coupling can be varied gradually. With the …