Browsing by Author "MacFarlane W."

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  • Antiferromagnetic properties of a water-vapor-inserted YBa 2Cu3O6.5 compound studied by NMR, NQR, and μSR 
    Dooglav A.; Egorov A.; Mukhamedshin I.; Savinkov A.; Alloul H.; Bobroff J.; MacFarlane W.; Mendels P.; Collin G.; Blanchard N.; Picard P.; King P.; Lord J. (2004)
    We present a detailed NQR, nuclear magnetic resonance (NMR), and μSR study of the magnetic phase obtained during a topotactic chemical reaction of YBa2Cu3O6.5 high-temperature superconductor with low-pressure water vapor. ...
  • Antiferromagnetism in hydrated 123 compounds 
    Dooglav A.; Egorov A.; Mukhamedshin I.; Savinkov A.; Alloul H.; Bobroff J.; MacFarlane W.; Mendels P.; Collin G.; Blanchard N.; Picard P. (1999)
    Copper nuclear quadrupole resonance and zero-field nuclear magnetic resonance (ZFNMR) studies of YBa2Cu3O6.5 show that a magnetic phase appears in underdoped 123 superconductors treated in ambient moist air. The studies ...
  • Antiferromagnetism in water doped YBa2Cu3O6+x for x ∼ 0.5 
    MacFarlane W.; Mendels P.; Bobroff J.; Dooglav A.; Egorov A.; Alloul H.; Blanchard N.; Collin G.; Picard P.; Keren A.; King P.; Lord J. (2000)
    We report zero-field (ZF) μSR on a series of antiferromagnetic (AFM) samples of YBa2Cu3O6.4 reacted with water. We find several oscillating signals whose amplitudes vary with water content and temperature, and for high ...

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