Raman study of the Hg0.7Cr0.3Sr2CuO4+δ superconductors

Soo Young Lee; Bo Youn Chang; In Sang Yang; Ji Hye Gwak; Sung Jin Kim; Jae Hyuk Choi; Sung Ik Lee; J. V. Yakhmi; J. B. Mandal; B. Bandyopadhyay; B. Ghosh

doi:10.1016/S0921-4534(97)00607-2

Raman study of the Hg_0.7Cr_0.3Sr₂CuO_4+δ superconductors

Soo Young Lee
, Bo Youn Chang
, In Sang Yang
, Ji Hye Gwak
, Sung Jin Kim
, Jae Hyuk Choi
, Sung Ik Lee
, J. V. Yakhmi
, J. B. Mandal
, B. Bandyopadhyay
, B. Ghosh

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

4 Scopus citations

Abstract

The local environment of the apical oxygens (O_A) in the Sr-substituted mercury-based superconductor Hg_0.7Cr_0.3Sr₂CuCuO_4+δ is investigated using Raman spectroscopy. Raman spectra from the Sr-substituted Hg-1201 samples show broad O_A A_1g double peaks at 553 and 583 cm^-1, which are 10 -20 cm^-1 lower than the pristine Hg-1201. The existence of, and lower shift of, the double peaks in the Raman spectra of the Sr-substituted Hg-1201 superconductors indicate changes in the environment of O_A in the Sr-substituted mercury-based superconductors.

Original language	English
Pages (from-to)	1039-1040
Number of pages	2
Journal	Physica C: Superconductivity and its Applications
Volume	282-287
Issue number	PART 2
DOIs	https://doi.org/10.1016/S0921-4534(97)00607-2
State	Published - Aug 1997

Bibliographical note

Funding Information:
ACKNOWLEDEMENTS: This work was supported by the fund BSRI-96-2428 from the Ministry of Education, and the fund # 961-0207-044-2 from Korea Science & Engineering Foundation.

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10.1016/S0921-4534(97)00607-2

Cite this

@article{f993116deca5493f957d9aff2f93e10a,

title = "Raman study of the Hg0.7Cr0.3Sr2CuO4+δ superconductors",

abstract = "The local environment of the apical oxygens (OA) in the Sr-substituted mercury-based superconductor Hg0.7Cr0.3Sr2CuCuO4+δ is investigated using Raman spectroscopy. Raman spectra from the Sr-substituted Hg-1201 samples show broad OA A1g double peaks at 553 and 583 cm-1, which are 10 -20 cm-1 lower than the pristine Hg-1201. The existence of, and lower shift of, the double peaks in the Raman spectra of the Sr-substituted Hg-1201 superconductors indicate changes in the environment of OA in the Sr-substituted mercury-based superconductors.",

author = "Lee, \{Soo Young\} and Chang, \{Bo Youn\} and Yang, \{In Sang\} and Gwak, \{Ji Hye\} and Kim, \{Sung Jin\} and Choi, \{Jae Hyuk\} and Lee, \{Sung Ik\} and Yakhmi, \{J. V.\} and Mandal, \{J. B.\} and B. Bandyopadhyay and B. Ghosh",

note = "Funding Information: ACKNOWLEDEMENTS: This work was supported by the fund BSRI-96-2428 from the Ministry of Education, and the fund \# 961-0207-044-2 from Korea Science \& Engineering Foundation.",

year = "1997",

month = aug,

doi = "10.1016/S0921-4534(97)00607-2",

language = "English",

volume = "282-287",

pages = "1039--1040",

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

issn = "0921-4534",

publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Raman study of the Hg0.7Cr0.3Sr2CuO4+δ superconductors

AU - Lee, Soo Young

AU - Chang, Bo Youn

AU - Yang, In Sang

AU - Gwak, Ji Hye

AU - Kim, Sung Jin

AU - Choi, Jae Hyuk

AU - Lee, Sung Ik

AU - Yakhmi, J. V.

AU - Mandal, J. B.

AU - Bandyopadhyay, B.

AU - Ghosh, B.

N1 - Funding Information: ACKNOWLEDEMENTS: This work was supported by the fund BSRI-96-2428 from the Ministry of Education, and the fund # 961-0207-044-2 from Korea Science & Engineering Foundation.

PY - 1997/8

Y1 - 1997/8

N2 - The local environment of the apical oxygens (OA) in the Sr-substituted mercury-based superconductor Hg0.7Cr0.3Sr2CuCuO4+δ is investigated using Raman spectroscopy. Raman spectra from the Sr-substituted Hg-1201 samples show broad OA A1g double peaks at 553 and 583 cm-1, which are 10 -20 cm-1 lower than the pristine Hg-1201. The existence of, and lower shift of, the double peaks in the Raman spectra of the Sr-substituted Hg-1201 superconductors indicate changes in the environment of OA in the Sr-substituted mercury-based superconductors.

AB - The local environment of the apical oxygens (OA) in the Sr-substituted mercury-based superconductor Hg0.7Cr0.3Sr2CuCuO4+δ is investigated using Raman spectroscopy. Raman spectra from the Sr-substituted Hg-1201 samples show broad OA A1g double peaks at 553 and 583 cm-1, which are 10 -20 cm-1 lower than the pristine Hg-1201. The existence of, and lower shift of, the double peaks in the Raman spectra of the Sr-substituted Hg-1201 superconductors indicate changes in the environment of OA in the Sr-substituted mercury-based superconductors.

UR - https://www.scopus.com/pages/publications/0031207472

U2 - 10.1016/S0921-4534(97)00607-2

DO - 10.1016/S0921-4534(97)00607-2

M3 - Article

AN - SCOPUS:0031207472

SN - 0921-4534

VL - 282-287

SP - 1039

EP - 1040

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

IS - PART 2