Magnetic properties and Moessbauer studies of Bi2Sr3Fe2O9+δ, isostructural with Bi-2122 superconductors

D. Hechel; I. Felner

doi:10.1016/S0921-4526(98)01155-7

Magnetic properties and Moessbauer studies of Bi₂Sr₃Fe₂O_9+δ, isostructural with Bi-2122 superconductors

D. Hechel^*
, I. Felner

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

We have investigated Bi₂Sr₃Fe₂O_9+δ materials by complementary experimental techniques. The materials are derived from the superconducting Bi₂Sr₂CaCu₂O₈ (Bi-2122) by replacing all Cu by Fe and Ca atoms by Sr. The materials studied are not superconducting, but rather magnetically ordered. Moessbauer spectroscopy (MS) and magnetic-susceptibility studies reveal, that the magnetic ordering temperature (T_N) is very sensitive to oxygen concentration. T_N = 100(5) K (determined by MS) for the oxygen-rich sample, is shifted towards 610 K when oxygen is depleted. Magnetic susceptibility data yield somewhat lower T_N values (80 and 520 K, respectively).

Original language	English
Pages (from-to)	410-414
Number of pages	5
Journal	Physica B: Condensed Matter
Volume	262
Issue number	3-4
DOIs	https://doi.org/10.1016/S0921-4526(98)01155-7
State	Published - Apr 1999

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title = "Magnetic properties and Moessbauer studies of Bi2Sr3Fe2O9+δ, isostructural with Bi-2122 superconductors",

abstract = "We have investigated Bi2Sr3Fe2O9+δ materials by complementary experimental techniques. The materials are derived from the superconducting Bi2Sr2CaCu2O8 (Bi-2122) by replacing all Cu by Fe and Ca atoms by Sr. The materials studied are not superconducting, but rather magnetically ordered. Moessbauer spectroscopy (MS) and magnetic-susceptibility studies reveal, that the magnetic ordering temperature (TN) is very sensitive to oxygen concentration. TN = 100(5) K (determined by MS) for the oxygen-rich sample, is shifted towards 610 K when oxygen is depleted. Magnetic susceptibility data yield somewhat lower TN values (80 and 520 K, respectively).",

author = "D. Hechel and I. Felner",

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AU - Hechel, D.

AU - Felner, I.

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Y1 - 1999/4

N2 - We have investigated Bi2Sr3Fe2O9+δ materials by complementary experimental techniques. The materials are derived from the superconducting Bi2Sr2CaCu2O8 (Bi-2122) by replacing all Cu by Fe and Ca atoms by Sr. The materials studied are not superconducting, but rather magnetically ordered. Moessbauer spectroscopy (MS) and magnetic-susceptibility studies reveal, that the magnetic ordering temperature (TN) is very sensitive to oxygen concentration. TN = 100(5) K (determined by MS) for the oxygen-rich sample, is shifted towards 610 K when oxygen is depleted. Magnetic susceptibility data yield somewhat lower TN values (80 and 520 K, respectively).

AB - We have investigated Bi2Sr3Fe2O9+δ materials by complementary experimental techniques. The materials are derived from the superconducting Bi2Sr2CaCu2O8 (Bi-2122) by replacing all Cu by Fe and Ca atoms by Sr. The materials studied are not superconducting, but rather magnetically ordered. Moessbauer spectroscopy (MS) and magnetic-susceptibility studies reveal, that the magnetic ordering temperature (TN) is very sensitive to oxygen concentration. TN = 100(5) K (determined by MS) for the oxygen-rich sample, is shifted towards 610 K when oxygen is depleted. Magnetic susceptibility data yield somewhat lower TN values (80 and 520 K, respectively).

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ER -

Magnetic properties and Moessbauer studies of Bi₂Sr₃Fe₂O_9+δ, isostructural with Bi-2122 superconductors

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