Superconducting Bi2Sr2CaCu2O8+X Single Films Grown on SrTiO3 Substrate by the Liquid Phase Epitaxial Method

Takemoto, Jiro; Inoue, Takeshi; Komatsu, Hiroshi; Hayashi, Shotaro; Miyashita, Satoru; Shimizu, Makoto

doi:10.1143/jjap.32.l403

Cited by 8 publications

(1 citation statement)

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“…Recently, the crystal-pulling technique has succeeded in growing LPE films of YBa 2 Cu 3 O y (YBCO) [7], La 2−z Sr z CuO 4 [8] and Bi 2 Sr 2 CaCu 2 O x (Bi-2212) [9,10]. Moreover, the travelling solvent floating zone (TSFZ) method was tested on crystallizing amorphous films [11], though temperatures were not high enough to achieve LPE growth.…”

Section: Introductionmentioning

confidence: 99%

Liquid-phase epitaxial growth of Bi-2212 films using an infrared image furnace

Yasuda¹,

Uchiyama²,

Iguchi³

et al. 2001

Supercond. Sci. Technol.

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We report on the liquid-phase epitaxial growth of the single-crystalline Bi2Sr2CaCu2Ox (Bi-2212) films. As in the case of the travelling solvent floating zone method, the Bi-2212 films are grown from a liquid phase by sweeping a heating zone. A specific point is that the liquid phase takes the form of a two-dimensional layer between two MgO substrates, which yields the excellent epitaxial growth. The films display a multigrain structure, and the maximum grain size is typically 1 mm in the in-plane directions and a few microns in thickness. The zero resistance state is attained at 86 K. From the x-ray rocking curves of the films and substrates, we infer that the mosaic structures in substrates degrade the crystallinity of the films. In the x-ray pole figure experiment we observe the misorientation angle of 12° between Bi-2212 [100] and MgO [100] directions as a major epitaxial state.

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