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Influence of the aluminium doping on the antiferromagnetic structure of YBa2Cu3O6+x (1996)

Schmenn, S. ; Lütgemeier, H. ; Wolf, Th. ; [et al.]

Springer

Journal of low temperature physics 105 (1996), S. 425-430

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ISSN: 1573-7357

Keywords: 61.12 −q ; 74.25 −q ; 75.25 +z ; 76.60 Jx

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract The magnetic structure of YBCO with low oxygen content is severely influenced by Aluminium doping. The Al-NMR spectra confirm the position of the non-magnetic Al impurities in the Cu(1) layer with a shift from the regular Cu(1) site in 〈110〉 direction. The Cu(1) ions in the Al-O-Cu(1) clusters may be responsible for the transition between the antiferromagnetic AFI and AFII phases in the doped crystals. From the Cu-NMR in pure and Al doped single crystals different spin directions in the AFI and AFII phases have been determined, 〈100〉 for the pure YBCO and 〈110〉for the Al doped in the AFII state.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00768423

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