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キーワード:
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要旨:
The different effects of in-plane or out-of-plane doping on the normal
state transport properties of fully oxygenated YBCO are fairly well
established. Little is known, however, about the effects of in-plane
impurities on oxygen deficient or underdoped YBCO. To address this issue
we report measurements of RH(T) and rho(ab)(T) of laser ablated
crystalline thin films of YBa2(Cu1-xZnx)(3)O-7-delta with 0 less than or
equal to x less than or equal to 0.02 and 0 less than or equal to delta
less than or equal to 0.28, and discuss our results in relation to
recent specific heat measurements by Loram and co-workers.
