Comparison between the magnetic specific heat of NdBa2Cu3Ox and DyBa2Cu3Ox

P. Allenspach; B. W. Lee; D. A. Gajewski; V. B. Barbeta; M. B. Maple; G. Nieva; S. I. Yoo; M. J. Kramer; R. W. McCallum; L. Ben-Dor

doi:10.1007/BF01313843

Comparison between the magnetic specific heat of NdBa₂Cu₃O_x and DyBa₂Cu₃O_x

P. Allenspach^*, B. W. Lee, D. A. Gajewski, V. B. Barbeta, M. B. Maple, G. Nieva, S. I. Yoo, M. J. Kramer, R. W. McCallum, L. Ben-Dor

^*Corresponding author for this work

Institute of Chemistry

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

18 Scopus citations

Abstract

Low temperature heat-capacity measurements have been performed to study the magnetic ordering in NdBa₂Cu₃O_x and DyBa₂Cu₃O_x. In order to investigate the type of ordering, magnetic fields up to 6 T and hydrostatic pressures up to 4.5 kbar were applied. While for NdBa₂Cu₃O_x and DyBa₂Cu₃O_x both the fully oxidized and the fully oxygen reduced samples display long rang antiferromagnetic ordering, only magnetic short range interaction could be found for samples in an intermediate range of oxygen concentration. For NdBa₂Cu₃O_x, where superexchange is believed to be the dominant magnetic interaction, T_N is three times higher in the sample with x=6.26 compared to the one with x=6.98. In contrast, T_N of DyBa₂Cu₃O_x is almost oxygen independent as expected for this mainly dipolar interacting system.

Original language	English
Pages (from-to)	455-464
Number of pages	10
Journal	European Physical Journal B
Volume	96
Issue number	4
DOIs	https://doi.org/10.1007/BF01313843
State	Published - Dec 1995

Keywords

74.70.Vy
75.40.-s

Access to Document

10.1007/BF01313843

Cite this

@article{fa7759c92ea04cac8642a41fd695e3c6,

title = "Comparison between the magnetic specific heat of NdBa2Cu3Ox and DyBa2Cu3Ox",

abstract = "Low temperature heat-capacity measurements have been performed to study the magnetic ordering in NdBa2Cu3Ox and DyBa2Cu3Ox. In order to investigate the type of ordering, magnetic fields up to 6 T and hydrostatic pressures up to 4.5 kbar were applied. While for NdBa2Cu3Ox and DyBa2Cu3Ox both the fully oxidized and the fully oxygen reduced samples display long rang antiferromagnetic ordering, only magnetic short range interaction could be found for samples in an intermediate range of oxygen concentration. For NdBa2Cu3Ox, where superexchange is believed to be the dominant magnetic interaction, TN is three times higher in the sample with x=6.26 compared to the one with x=6.98. In contrast, TN of DyBa2Cu3Ox is almost oxygen independent as expected for this mainly dipolar interacting system.",

keywords = "74.70.Vy, 75.40.-s",

author = "P. Allenspach and Lee, {B. W.} and Gajewski, {D. A.} and Barbeta, {V. B.} and Maple, {M. B.} and G. Nieva and Yoo, {S. I.} and Kramer, {M. J.} and McCallum, {R. W.} and L. Ben-Dor",

year = "1995",

month = dec,

doi = "10.1007/BF01313843",

language = "אנגלית",

volume = "96",

pages = "455--464",

journal = "European Physical Journal B",

issn = "0722-3277",

publisher = "Springer New York",

number = "4",

}

TY - JOUR

T1 - Comparison between the magnetic specific heat of NdBa2Cu3Ox and DyBa2Cu3Ox

AU - Allenspach, P.

AU - Lee, B. W.

AU - Gajewski, D. A.

AU - Barbeta, V. B.

AU - Maple, M. B.

AU - Nieva, G.

AU - Yoo, S. I.

AU - Kramer, M. J.

AU - McCallum, R. W.

AU - Ben-Dor, L.

PY - 1995/12

Y1 - 1995/12

N2 - Low temperature heat-capacity measurements have been performed to study the magnetic ordering in NdBa2Cu3Ox and DyBa2Cu3Ox. In order to investigate the type of ordering, magnetic fields up to 6 T and hydrostatic pressures up to 4.5 kbar were applied. While for NdBa2Cu3Ox and DyBa2Cu3Ox both the fully oxidized and the fully oxygen reduced samples display long rang antiferromagnetic ordering, only magnetic short range interaction could be found for samples in an intermediate range of oxygen concentration. For NdBa2Cu3Ox, where superexchange is believed to be the dominant magnetic interaction, TN is three times higher in the sample with x=6.26 compared to the one with x=6.98. In contrast, TN of DyBa2Cu3Ox is almost oxygen independent as expected for this mainly dipolar interacting system.

AB - Low temperature heat-capacity measurements have been performed to study the magnetic ordering in NdBa2Cu3Ox and DyBa2Cu3Ox. In order to investigate the type of ordering, magnetic fields up to 6 T and hydrostatic pressures up to 4.5 kbar were applied. While for NdBa2Cu3Ox and DyBa2Cu3Ox both the fully oxidized and the fully oxygen reduced samples display long rang antiferromagnetic ordering, only magnetic short range interaction could be found for samples in an intermediate range of oxygen concentration. For NdBa2Cu3Ox, where superexchange is believed to be the dominant magnetic interaction, TN is three times higher in the sample with x=6.26 compared to the one with x=6.98. In contrast, TN of DyBa2Cu3Ox is almost oxygen independent as expected for this mainly dipolar interacting system.

KW - 74.70.Vy

KW - 75.40.-s

UR - http://www.scopus.com/inward/record.url?scp=0001714518&partnerID=8YFLogxK

U2 - 10.1007/BF01313843

DO - 10.1007/BF01313843

M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???

AN - SCOPUS:0001714518

SN - 0722-3277

VL - 96

SP - 455

EP - 464

JO - European Physical Journal B

JF - European Physical Journal B

IS - 4

ER -

Comparison between the magnetic specific heat of NdBa₂Cu₃O_x and DyBa₂Cu₃O_x

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this