Resonant Raman scattering and photoinduced metastability in oxygen-deficient YBa2Cu3Ox

M. Osada, M. Kakihana, J. Bäckström, M. Käll, L. Börjesson

研究成果: Article

6 引用 (Scopus)

抄録

We studied the photoinduced metastable states in oxygen-deficient YBa2Cu3Ox (Y123) (x = 6.35-6.87). The states are identified by the intensity dependences of CuO-chain resonance on photo irradiation and temperature. Below room temperature (RT) the CuO-chain resonance can be completely suppressed by irradiation with visible light polarized along the CuO chains, indicating photo-assisted oxygen ordering. Above RT, the resonance intensity returns and saturates at T > 100°C. This behavior exactly reflects the temperature dependence of chain oxygen ordering in the same crystals observed by hard X-ray diffraction. The stability of the photo-induced state is in agreement with reported persistent photo-induced superconductivity effects.

元の言語English
ページ(範囲)157-160
ページ数4
ジャーナルPhysica C: Superconductivity and its Applications
338
発行部数1
DOI
出版物ステータスPublished - 2000 8 1
外部発表Yes

Fingerprint

metastable state
Raman scattering
Raman spectra
Oxygen
oxygen
irradiation
Irradiation
room temperature
Temperature
polarized light
Light polarization
superconductivity
Superconductivity
temperature dependence
diffraction
X ray diffraction
Crystals
crystals
x rays
temperature

ASJC Scopus subject areas

  • Condensed Matter Physics

これを引用

Resonant Raman scattering and photoinduced metastability in oxygen-deficient YBa2Cu3Ox. / Osada, M.; Kakihana, M.; Bäckström, J.; Käll, M.; Börjesson, L.

:: Physica C: Superconductivity and its Applications, 巻 338, 番号 1, 01.08.2000, p. 157-160.

研究成果: Article

Osada, M. ; Kakihana, M. ; Bäckström, J. ; Käll, M. ; Börjesson, L. / Resonant Raman scattering and photoinduced metastability in oxygen-deficient YBa2Cu3Ox. :: Physica C: Superconductivity and its Applications. 2000 ; 巻 338, 番号 1. pp. 157-160.
@article{826f7bcdcfee4ca5b7b1ea89a5b2ebcd,
title = "Resonant Raman scattering and photoinduced metastability in oxygen-deficient YBa2Cu3Ox",
abstract = "We studied the photoinduced metastable states in oxygen-deficient YBa2Cu3Ox (Y123) (x = 6.35-6.87). The states are identified by the intensity dependences of CuO-chain resonance on photo irradiation and temperature. Below room temperature (RT) the CuO-chain resonance can be completely suppressed by irradiation with visible light polarized along the CuO chains, indicating photo-assisted oxygen ordering. Above RT, the resonance intensity returns and saturates at T > 100°C. This behavior exactly reflects the temperature dependence of chain oxygen ordering in the same crystals observed by hard X-ray diffraction. The stability of the photo-induced state is in agreement with reported persistent photo-induced superconductivity effects.",
author = "M. Osada and M. Kakihana and J. B{\"a}ckstr{\"o}m and M. K{\"a}ll and L. B{\"o}rjesson",
year = "2000",
month = "8",
day = "1",
doi = "10.1016/S0921-4534(00)00219-7",
language = "English",
volume = "338",
pages = "157--160",
journal = "Physica C: Superconductivity and its Applications",
issn = "0921-4534",
publisher = "Elsevier",
number = "1",

}

TY - JOUR

T1 - Resonant Raman scattering and photoinduced metastability in oxygen-deficient YBa2Cu3Ox

AU - Osada, M.

AU - Kakihana, M.

AU - Bäckström, J.

AU - Käll, M.

AU - Börjesson, L.

PY - 2000/8/1

Y1 - 2000/8/1

N2 - We studied the photoinduced metastable states in oxygen-deficient YBa2Cu3Ox (Y123) (x = 6.35-6.87). The states are identified by the intensity dependences of CuO-chain resonance on photo irradiation and temperature. Below room temperature (RT) the CuO-chain resonance can be completely suppressed by irradiation with visible light polarized along the CuO chains, indicating photo-assisted oxygen ordering. Above RT, the resonance intensity returns and saturates at T > 100°C. This behavior exactly reflects the temperature dependence of chain oxygen ordering in the same crystals observed by hard X-ray diffraction. The stability of the photo-induced state is in agreement with reported persistent photo-induced superconductivity effects.

AB - We studied the photoinduced metastable states in oxygen-deficient YBa2Cu3Ox (Y123) (x = 6.35-6.87). The states are identified by the intensity dependences of CuO-chain resonance on photo irradiation and temperature. Below room temperature (RT) the CuO-chain resonance can be completely suppressed by irradiation with visible light polarized along the CuO chains, indicating photo-assisted oxygen ordering. Above RT, the resonance intensity returns and saturates at T > 100°C. This behavior exactly reflects the temperature dependence of chain oxygen ordering in the same crystals observed by hard X-ray diffraction. The stability of the photo-induced state is in agreement with reported persistent photo-induced superconductivity effects.

UR - http://www.scopus.com/inward/record.url?scp=0034247867&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0034247867&partnerID=8YFLogxK

U2 - 10.1016/S0921-4534(00)00219-7

DO - 10.1016/S0921-4534(00)00219-7

M3 - Article

AN - SCOPUS:0034247867

VL - 338

SP - 157

EP - 160

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

SN - 0921-4534

IS - 1

ER -