Infrared and optical properties of single-crystal YNi2B2C superconductor

Jae Hoon Kim; Hanhee Paik; Mi Ock Mun; B. K. Cho; S. J. Youn; H. B. Kim; Sung Ik Lee

doi:10.1016/S0921-4534(00)01050-9

Infrared and optical properties of single-crystal YNi₂B₂C superconductor

Jae Hoon Kim, Hanhee Paik, Mi Ock Mun, B. K. Cho, S. J. Youn, H. B. Kim, Sung Ik Lee

Department of Physics

Research output: Contribution to journal › Conference article › peer-review

8 Citations (Scopus)

Abstract

We have determined the optical conductivity and other key spectral functions of single-crystal YNi₂B₂C for the spectral range of 5 meV - 4.1 eV via infrared reflectivity measurements and spectroscopic ellipsometry. Polished crystals and polished-and-annealed crystals were compared to understand the effect of annealing on the optical response. The conductivity spectrum of YNi₂B₂C exhibits metallic electronic response with the screened plasma frequency of 3.76 eV. The free-electron response is not well described by the Drude model alone. A number of interband transitions also appear beyond 1 eV. Their energies and JDOS critical-point types are analyzed on the basis of selection rules and results of band-structure calculations.

Original language	English
Pages (from-to)	2233-2234
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	341-348 (IV)
DOIs	https://doi.org/10.1016/S0921-4534(00)01050-9
Publication status	Published - 2000 Nov
Event	International Conference on Materials and Mechanisms of Superconductivity High Temperature Superconductors VI - Houston, TX, USA Duration: 2000 Feb 20 → 2000 Feb 25

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/S0921-4534(00)01050-9

Cite this

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title = "Infrared and optical properties of single-crystal YNi2B2C superconductor",

abstract = "We have determined the optical conductivity and other key spectral functions of single-crystal YNi2B2C for the spectral range of 5 meV - 4.1 eV via infrared reflectivity measurements and spectroscopic ellipsometry. Polished crystals and polished-and-annealed crystals were compared to understand the effect of annealing on the optical response. The conductivity spectrum of YNi2B2C exhibits metallic electronic response with the screened plasma frequency of 3.76 eV. The free-electron response is not well described by the Drude model alone. A number of interband transitions also appear beyond 1 eV. Their energies and JDOS critical-point types are analyzed on the basis of selection rules and results of band-structure calculations.",

author = "Kim, {Jae Hoon} and Hanhee Paik and Mun, {Mi Ock} and Cho, {B. K.} and Youn, {S. J.} and Kim, {H. B.} and Lee, {Sung Ik}",

year = "2000",

month = nov,

doi = "10.1016/S0921-4534(00)01050-9",

language = "English",

volume = "341-348 (IV)",

pages = "2233--2234",

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

issn = "0921-4534",

publisher = "Elsevier B.V.",

note = "International Conference on Materials and Mechanisms of Superconductivity High Temperature Superconductors VI ; Conference date: 20-02-2000 Through 25-02-2000",

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TY - JOUR

T1 - Infrared and optical properties of single-crystal YNi2B2C superconductor

AU - Kim, Jae Hoon

AU - Paik, Hanhee

AU - Mun, Mi Ock

AU - Cho, B. K.

AU - Youn, S. J.

AU - Kim, H. B.

AU - Lee, Sung Ik

PY - 2000/11

Y1 - 2000/11

N2 - We have determined the optical conductivity and other key spectral functions of single-crystal YNi2B2C for the spectral range of 5 meV - 4.1 eV via infrared reflectivity measurements and spectroscopic ellipsometry. Polished crystals and polished-and-annealed crystals were compared to understand the effect of annealing on the optical response. The conductivity spectrum of YNi2B2C exhibits metallic electronic response with the screened plasma frequency of 3.76 eV. The free-electron response is not well described by the Drude model alone. A number of interband transitions also appear beyond 1 eV. Their energies and JDOS critical-point types are analyzed on the basis of selection rules and results of band-structure calculations.

AB - We have determined the optical conductivity and other key spectral functions of single-crystal YNi2B2C for the spectral range of 5 meV - 4.1 eV via infrared reflectivity measurements and spectroscopic ellipsometry. Polished crystals and polished-and-annealed crystals were compared to understand the effect of annealing on the optical response. The conductivity spectrum of YNi2B2C exhibits metallic electronic response with the screened plasma frequency of 3.76 eV. The free-electron response is not well described by the Drude model alone. A number of interband transitions also appear beyond 1 eV. Their energies and JDOS critical-point types are analyzed on the basis of selection rules and results of band-structure calculations.

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U2 - 10.1016/S0921-4534(00)01050-9

DO - 10.1016/S0921-4534(00)01050-9

M3 - Conference article

AN - SCOPUS:0342962084

SN - 0921-4534

VL - 341-348 (IV)

SP - 2233

EP - 2234

JO - Physica C: Superconductivity and its applications

JF - Physica C: Superconductivity and its applications

T2 - International Conference on Materials and Mechanisms of Superconductivity High Temperature Superconductors VI

Y2 - 20 February 2000 through 25 February 2000

ER -

Infrared and optical properties of single-crystal YNi₂B₂C superconductor

Abstract

All Science Journal Classification (ASJC) codes

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