Structural study on the (Hg,Tl)-Ba-(Ca,Y)-Cu-O system by XRD and TEM

X. J. Wu; A. Tokiwa-Yamamoto; T. Tatsuki; S. Adachi; K. Tanabe

doi:10.1016/S0921-4534(97)00540-6

Structural study on the (Hg,Tl)-Ba-(Ca,Y)-Cu-O system by XRD and TEM

X. J. Wu, A. Tokiwa-Yamamoto, T. Tatsuki, S. Adachi, K. Tanabe

研究成果: Article › 査読

抄録

Superconducting (Hg,Tl)-O double layer compound samples were prepared by a high-pressure synthesis technique. Some samples have the composition of (Hg_0.7,Tl_0.3)₂Ba₂(Ca _x,Y_1-x)Cu₂O_8-2δ and are nearly single phase when x=0.1, 0.2, 0.4 and 0.6. The crystal structure of these samples was determined by X-ray Rietveld refinement. On the other hand, several new intergrowth phases were discovered in Y-free Hg(Tl)-Ba-Ca-Cu-O samples by TEM observation. Based on the TEM observation, symmetry and super-lattice parameters for the new phases were determined and structural models were proposed.

本文言語	English
ページ（範囲）	889-890
ページ数	2
ジャーナル	Physica C: Superconductivity and its applications
巻	282-287
号	PART 2
DOI	https://doi.org/10.1016/S0921-4534(97)00540-6
出版ステータス	Published - 1997 8
外部発表	はい

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/S0921-4534(97)00540-6

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abstract = "Superconducting (Hg,Tl)-O double layer compound samples were prepared by a high-pressure synthesis technique. Some samples have the composition of (Hg0.7,Tl0.3)2Ba2(Ca x,Y1-x)Cu2O8-2δ and are nearly single phase when x=0.1, 0.2, 0.4 and 0.6. The crystal structure of these samples was determined by X-ray Rietveld refinement. On the other hand, several new intergrowth phases were discovered in Y-free Hg(Tl)-Ba-Ca-Cu-O samples by TEM observation. Based on the TEM observation, symmetry and super-lattice parameters for the new phases were determined and structural models were proposed.",

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AU - Adachi, S.

AU - Tanabe, K.

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