Inhomogeneous 205Tl NMR line broadening in Tl2Ba2CuOx single crystals

✍ Scribed by O.M. Vyaselev; N.N. Kolesnikov; M.P. Kulakov; I.F. Schegolev

• Publisher: Elsevier Science
• Year: 1992
• Tongue: English
• Weight: 203 KB
• Volume: 200
• Category: Article
• ISSN: 0921-4534
• DOI: 10.1016/0921-4534(92)90398-v

✦ Synopsis

Temperature

and angular dependences of "'TI hne width. LI,,~. and transverse relaxation time. r. have been measured in two crystals of TI,Ba,CuO, with T,= 32 and 1 15 K, respectively. In the normal state both d,,? and r have been found to be temperature-independent and not to vary with varying T,, implying that the size of inhomogeneous broadening is also invariable. Analysis of the line width angular dependence shows that the inhomogeneous broadening originates, most probably, from local distortions associated with Cu substitution for TI. A conclusion is that variations in T, are not related to this substitution.