Growth of single crystal PrFeAsO $_{1-y}$ and its transport properties

Ishikado, Motoyuki; Shamoto, Shinichi ; Kito, Hijiri*; Iyo, Akira*; Eisaki, Hiroshi*; Ito, Toshimitsu*; Tomioka, Yasuhide*

Single crystals of oxygen deficient oxypnictide superconductor PrFeAsO $_{1-y}$ were grown by high pressure method using belt-type anvil apparatus. Grown crystals have shiny ab-plane surfaces. Typical crystal size is about 800100020 mm, which is one order larger than the previous reported LnFeAs(O,F) single crystal size. Upper critical field obtained from resistivity measurement under magnetic field yields anisotropy of 5, which is consistent with other group's reported result. In the session, we will talk details of the method of doping control of the single crystal and doping dependences of anisotropy.

Language	:	English
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Meeting title	:	A3 Hokkaido Summer School on Novel Properties of Complex Oxides
Held date	:	2009/08
Location (city)	:	Rusutsu
Location (country)	:	Japan
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Cooperating Institute	:	JST-TRIP

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Registration No. : BB20091652
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Growth of single crystal PrFeAsO and its transport properties

Growth of single crystal PrFeAsO $_{1-y}$ and its transport properties