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17O nuclear spin-lattice relaxation in YBa2Cu3O6+x single crystals

✍ Scribed by M. Horvatić; C. Berthier; Y. Berthier; P. Butaud; W.G. Clark; J.A. Gillet; P. Segransan; J.Y. Henry

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
164 KB
Volume
185-189
Category
Article
ISSN
0921-4534

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✦ Synopsis

The anisotropy of the nuclear spin lattice relaxation rate T1 "! of planar 170 is reported for the "90 K" and "60 K" phases of YBCO single crystals. We show that the model of Millis Monlen and Pines cannot account for the "60 K" phase data.

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✍ Takato Machi; Izumi Tomeno; Takayuki Miyatake; Naoki Koshizuka; Shoji Tanaka; Ta 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 315 KB

The temperature dependences of the 63Cu nuclear spin-lattice relaxation rate 1 / T1 and Knight shift K in YBa2Cu4Os have been measured by nuclear quadrupole resonance (NQR) and nuclear magnetic resonance (NMR) techniques. In the normal state, both the 1/T~ for the Cu (2) sites and the in-plane compo