Infrared reflectivity of untwinned YBa2(Cu1-xZnx)3O7-δ single crystals

H. Shibata; K. Semba; A. Matsuda; T. Yamada

doi:10.1103/PhysRevB.51.9294

Infrared reflectivity of untwinned YBa2(Cu1-xZnx)3O7-δ single crystals

H. Shibata, K. Semba, A. Matsuda, T. Yamada

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

11 Citations (Scopus)

Abstract

The ab-plane reflectivity of untwinned YBa2(Cu1-xZnx)3O7-δ single crystals is measured between 250 and 20 000 cm-1 at room temperature. Through Zn substitution, the optical conductivity along Eb shows a broad peak at about 2000 cm-1, suggesting localization of the chain band carrier. The conductivity along Ea shows no mid-infrared absorption and slightly decreases from the far- to mid-infrared region through Zn substitution. Analysis of the conductivity along Ea shows that the main effect of Zn substitution is to increase the impurity scattering rate. A small amount of carrier reduction and suppression of effective mass enhancement at low frequency are also observed. The suppression of the effective mass enhancement is discussed by the antiferromagnetic spin-fluctuation theory of Fermi liquid.

Original language	English
Pages (from-to)	9294-9297
Number of pages	4
Journal	Physical Review B
Volume	51
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevB.51.9294
Publication status	Published - 1995 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics

Access to Document

10.1103/PhysRevB.51.9294

Fingerprint Dive into the research topics of 'Infrared reflectivity of untwinned YBa2(Cu1-xZnx)3O7-δ single crystals'. Together they form a unique fingerprint.

Cite this

@article{28e1229ee0e64a9d9f1428c81b44d342,

title = "Infrared reflectivity of untwinned YBa2(Cu1-xZnx)3O7-δ single crystals",

abstract = "The ab-plane reflectivity of untwinned YBa2(Cu1-xZnx)3O7-δ single crystals is measured between 250 and 20 000 cm-1 at room temperature. Through Zn substitution, the optical conductivity along Eb shows a broad peak at about 2000 cm-1, suggesting localization of the chain band carrier. The conductivity along Ea shows no mid-infrared absorption and slightly decreases from the far- to mid-infrared region through Zn substitution. Analysis of the conductivity along Ea shows that the main effect of Zn substitution is to increase the impurity scattering rate. A small amount of carrier reduction and suppression of effective mass enhancement at low frequency are also observed. The suppression of the effective mass enhancement is discussed by the antiferromagnetic spin-fluctuation theory of Fermi liquid.",

author = "H. Shibata and K. Semba and A. Matsuda and T. Yamada",

year = "1995",

month = jan,

day = "1",

doi = "10.1103/PhysRevB.51.9294",

language = "English",

volume = "51",

pages = "9294--9297",

journal = "Physical Review B",

issn = "0163-1829",

number = "14",

}

TY - JOUR

T1 - Infrared reflectivity of untwinned YBa2(Cu1-xZnx)3O7-δ single crystals

AU - Shibata, H.

AU - Semba, K.

AU - Matsuda, A.

AU - Yamada, T.

PY - 1995/1/1

Y1 - 1995/1/1

N2 - The ab-plane reflectivity of untwinned YBa2(Cu1-xZnx)3O7-δ single crystals is measured between 250 and 20 000 cm-1 at room temperature. Through Zn substitution, the optical conductivity along Eb shows a broad peak at about 2000 cm-1, suggesting localization of the chain band carrier. The conductivity along Ea shows no mid-infrared absorption and slightly decreases from the far- to mid-infrared region through Zn substitution. Analysis of the conductivity along Ea shows that the main effect of Zn substitution is to increase the impurity scattering rate. A small amount of carrier reduction and suppression of effective mass enhancement at low frequency are also observed. The suppression of the effective mass enhancement is discussed by the antiferromagnetic spin-fluctuation theory of Fermi liquid.

AB - The ab-plane reflectivity of untwinned YBa2(Cu1-xZnx)3O7-δ single crystals is measured between 250 and 20 000 cm-1 at room temperature. Through Zn substitution, the optical conductivity along Eb shows a broad peak at about 2000 cm-1, suggesting localization of the chain band carrier. The conductivity along Ea shows no mid-infrared absorption and slightly decreases from the far- to mid-infrared region through Zn substitution. Analysis of the conductivity along Ea shows that the main effect of Zn substitution is to increase the impurity scattering rate. A small amount of carrier reduction and suppression of effective mass enhancement at low frequency are also observed. The suppression of the effective mass enhancement is discussed by the antiferromagnetic spin-fluctuation theory of Fermi liquid.

UR - http://www.scopus.com/inward/record.url?scp=0001123612&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0001123612&partnerID=8YFLogxK

U2 - 10.1103/PhysRevB.51.9294

DO - 10.1103/PhysRevB.51.9294

M3 - Article

AN - SCOPUS:0001123612

VL - 51

SP - 9294

EP - 9297

JO - Physical Review B

JF - Physical Review B

SN - 0163-1829

IS - 14

ER -