Growth of 57Fe-doped YBa2Cu3O7-δ single crystals for Mössbauer and susceptibility measurements

I. Tittonen; J. Hietaniemi; J. Huttunen; M. Karppinen; T. Katila; J. Lindén; L. Niinistö; K. Ullakko

doi:10.1016/0921-4534(89)90682-5

Growth of ⁵⁷Fe-doped YBa₂Cu₃O_7-δ single crystals for Mössbauer and susceptibility measurements

I. Tittonen^*, J. Hietaniemi, J. Huttunen, M. Karppinen, T. Katila, J. Lindén, L. Niinistö, K. Ullakko

^*Korresponderande författare för detta arbete

Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review

1 Citeringar (Scopus)

Sammanfattning

⁵⁷Fe-doped and undoped single crystals were grown for Mössbauer and magnetic AC susceptibility measurements. The effects of cooling rate and the concentration of the YBa₂(Cu_1-x⁵⁷Fe_x)₃O_7-δ-powder in the melt were examined. The lattice parameters of the single crystals were determined by x-ray diffraction. Growth in air yielded orthorhombic crystals with a- and b-axes differing only slightly and having T_c=77K for undoped and 57 K for ⁵⁷Fe-doped crystals. Mössbauer spectra indicated the presence of regions with different oxygen contents.

Originalspråk	Engelska
Sidor (från-till)	1259-1260
Antal sidor	2
Tidskrift	Physica C: Superconductivity and its Applications
Volym	162-164
Nummer	Part 2
DOI	https://doi.org/10.1016/0921-4534(89)90682-5
Status	Publicerad - dec. 1989
MoE-publikationstyp	A1 Tidskriftsartikel-refererad

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10.1016/0921-4534(89)90682-5

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title = "Growth of 57Fe-doped YBa2Cu3O7-δ single crystals for M{\"o}ssbauer and susceptibility measurements",

abstract = "57Fe-doped and undoped single crystals were grown for M{\"o}ssbauer and magnetic AC susceptibility measurements. The effects of cooling rate and the concentration of the YBa2(Cu1-x57Fex)3O7-δ-powder in the melt were examined. The lattice parameters of the single crystals were determined by x-ray diffraction. Growth in air yielded orthorhombic crystals with a- and b-axes differing only slightly and having Tc=77K for undoped and 57 K for 57Fe-doped crystals. M{\"o}ssbauer spectra indicated the presence of regions with different oxygen contents.",

author = "I. Tittonen and J. Hietaniemi and J. Huttunen and M. Karppinen and T. Katila and J. Lind{\'e}n and L. Niinist{\"o} and K. Ullakko",

year = "1989",

month = dec,

doi = "10.1016/0921-4534(89)90682-5",

language = "English",

volume = "162-164",

pages = "1259--1260",

journal = "Physica C: Superconductivity and its Applications",

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T1 - Growth of 57Fe-doped YBa2Cu3O7-δ single crystals for Mössbauer and susceptibility measurements

AU - Tittonen, I.

AU - Hietaniemi, J.

AU - Huttunen, J.

AU - Karppinen, M.

AU - Katila, T.

AU - Lindén, J.

AU - Niinistö, L.

AU - Ullakko, K.

PY - 1989/12

Y1 - 1989/12

N2 - 57Fe-doped and undoped single crystals were grown for Mössbauer and magnetic AC susceptibility measurements. The effects of cooling rate and the concentration of the YBa2(Cu1-x57Fex)3O7-δ-powder in the melt were examined. The lattice parameters of the single crystals were determined by x-ray diffraction. Growth in air yielded orthorhombic crystals with a- and b-axes differing only slightly and having Tc=77K for undoped and 57 K for 57Fe-doped crystals. Mössbauer spectra indicated the presence of regions with different oxygen contents.

AB - 57Fe-doped and undoped single crystals were grown for Mössbauer and magnetic AC susceptibility measurements. The effects of cooling rate and the concentration of the YBa2(Cu1-x57Fex)3O7-δ-powder in the melt were examined. The lattice parameters of the single crystals were determined by x-ray diffraction. Growth in air yielded orthorhombic crystals with a- and b-axes differing only slightly and having Tc=77K for undoped and 57 K for 57Fe-doped crystals. Mössbauer spectra indicated the presence of regions with different oxygen contents.

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VL - 162-164

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JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

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