Phase formation and superconductivity in [Y1 x Cax] SrBaCu 2.80 (BO3) 0.20Oy with 0.10 ≤ x ≤ 0.50

A. G. Bustamante Domínguez; V. H. Barinotto C.; J. Flores Santibañez; F. Garcia

doi:10.1016/s0921-4534(00)00625-0

Phase formation and superconductivity in [Y_{1 x} Ca_x] SrBaCu _2.80 (BO₃) _0.20O_y with 0.10 ≤ x ≤ 0.50

A. G. Bustamante Domínguez, V. H. Barinotto C., J. Flores Santibañez, F. Garcia

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

3 Citas (Scopus)

Resumen

We report the phase formation and superconductivity in [Y_1-xCa_x]SrBaCu_2.80(BO₃) _0.20O_y with 0.10≤ x ≤ 0.50 prepared at normal pressure and temperature. The X-ray diffraction pattern shows that all samples have a tetragonal P4/mmm structure, indicating that the BO₃ groups were incorporated in the structure. The ZFC magnetization versus temperature measurements under an applied field of 10 Oe using a SQUID magnetometer, show that the materials are superconductors, with T_c ≈ 77K, almost independently of the Ca content. The observed differences are related to the volume fraction of Meissner effect. In the temperature range 100-300K all samples show a typical Curie - Weiss behavior, under an applied high field of 20 KOe.

Idioma original	Inglés
Páginas (desde-hasta)	635-636
Número de páginas	2
Publicación	Physica C: Superconductivity and its Applications
Volumen	341-348
N.º	PART 1
DOI	https://doi.org/10.1016/s0921-4534(00)00625-0
Estado	Publicada - 2000
Publicado de forma externa	Sí

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title = "Phase formation and superconductivity in [Y1 x Cax] SrBaCu 2.80 (BO3) 0.20Oy with 0.10 ≤ x ≤ 0.50",

abstract = "We report the phase formation and superconductivity in [Y1-xCax]SrBaCu2.80(BO3) 0.20Oy with 0.10≤ x ≤ 0.50 prepared at normal pressure and temperature. The X-ray diffraction pattern shows that all samples have a tetragonal P4/mmm structure, indicating that the BO3 groups were incorporated in the structure. The ZFC magnetization versus temperature measurements under an applied field of 10 Oe using a SQUID magnetometer, show that the materials are superconductors, with Tc ≈ 77K, almost independently of the Ca content. The observed differences are related to the volume fraction of Meissner effect. In the temperature range 100-300K all samples show a typical Curie - Weiss behavior, under an applied high field of 20 KOe.",

author = "{Bustamante Dom{\'i}nguez}, {A. G.} and {Barinotto C.}, {V. H.} and {Flores Santiba{\~n}ez}, J. and F. Garcia",

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doi = "10.1016/s0921-4534(00)00625-0",

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Phase formation and superconductivity in [Y_{1 x} Ca_x] SrBaCu _2.80 (BO₃) _0.20O_y with 0.10 ≤ x ≤ 0.50. / Bustamante Domínguez, A. G.; Barinotto C., V. H.; Flores Santibañez, J. et al.
En: Physica C: Superconductivity and its Applications, Vol. 341-348, N.º PART 1, 2000, p. 635-636.

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

TY - JOUR

T1 - Phase formation and superconductivity in [Y1 x Cax] SrBaCu 2.80 (BO3) 0.20Oy with 0.10 ≤ x ≤ 0.50

AU - Bustamante Domínguez, A. G.

AU - Barinotto C., V. H.

AU - Flores Santibañez, J.

AU - Garcia, F.

PY - 2000

Y1 - 2000

N2 - We report the phase formation and superconductivity in [Y1-xCax]SrBaCu2.80(BO3) 0.20Oy with 0.10≤ x ≤ 0.50 prepared at normal pressure and temperature. The X-ray diffraction pattern shows that all samples have a tetragonal P4/mmm structure, indicating that the BO3 groups were incorporated in the structure. The ZFC magnetization versus temperature measurements under an applied field of 10 Oe using a SQUID magnetometer, show that the materials are superconductors, with Tc ≈ 77K, almost independently of the Ca content. The observed differences are related to the volume fraction of Meissner effect. In the temperature range 100-300K all samples show a typical Curie - Weiss behavior, under an applied high field of 20 KOe.

AB - We report the phase formation and superconductivity in [Y1-xCax]SrBaCu2.80(BO3) 0.20Oy with 0.10≤ x ≤ 0.50 prepared at normal pressure and temperature. The X-ray diffraction pattern shows that all samples have a tetragonal P4/mmm structure, indicating that the BO3 groups were incorporated in the structure. The ZFC magnetization versus temperature measurements under an applied field of 10 Oe using a SQUID magnetometer, show that the materials are superconductors, with Tc ≈ 77K, almost independently of the Ca content. The observed differences are related to the volume fraction of Meissner effect. In the temperature range 100-300K all samples show a typical Curie - Weiss behavior, under an applied high field of 20 KOe.

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