Publication detail

Optical and magneto-optical properties of permalloy thin films in 0.7–6.4 eV photon energy range

TIKUIŠIS, K. BERAN, L. CEJPEK, P. UHLÍŘOVÁ, K. HAMRLE, J. VAŇATKA, M. URBÁNEK, M. VEIS, M.

Original Title

Optical and magneto-optical properties of permalloy thin films in 0.7–6.4 eV photon energy range

Type

journal article in Web of Science

Language

English

Original Abstract

Permalloy is a widespread material used in numerous fundamental experiments and novel spintronic, optoelectronic devices. In order to model their response or tailor the optimal experimental parameters it is necessary to know the optical and magneto-optical properties of this material over a wide spectral range. We report on the systematic study of optical and magneto-optical properties of 10 nm and 150 nm thick permalloy films by means of spectroscopic ellipsometry and magneto-optical spectroscopy. To study the influence of the surface oxidization, the samples were prepared with and without Au capping layer. Spectral dependence of the complete permittivity tensor was derived from experimental data in a broad spectral range covering IR, visible and UV regions. All samples exhibited metallic-like optical and magneto-optical properties with clear differences in 10 nm thick bare sample. These differences to overall optical and magneto-optical properties of nanometer-thick permalloy layers were ascribed to a strong influence of the surface oxide.

Keywords

Permalloy; Thin films; Spectroscopic ellipsometry; Magnetooptical Kerr effect spectroscopy; Complex permittivity tensor; Oxidation

Authors

TIKUIŠIS, K.; BERAN, L.; CEJPEK, P.; UHLÍŘOVÁ, K.; HAMRLE, J.; VAŇATKA, M.; URBÁNEK, M.; VEIS, M.

Released

15. 1. 2017

Publisher

Elsevier

ISBN

0264-1275

Periodical

Materials & Design

Year of study

114

Number

1

State

United Kingdom of Great Britain and Northern Ireland

Pages from

31

Pages to

39

Pages count

9

URL

http://www.sciencedirect.com/science/article/pii/S0264127516313351

BibTex

@article{BUT131850,
  author="Kristupas Kazimieras {Tikuišis} and Lukáš {Beran} and Petr {Cejpek} and Klára {Uhlířová} and Jaroslav {Hamrle} and Marek {Vaňatka} and Michal {Urbánek} and Martin {Veis}",
  title="Optical and magneto-optical properties of permalloy thin films in 0.7–6.4 eV photon energy range",
  journal="Materials & Design",
  year="2017",
  volume="114",
  number="1",
  pages="31--39",
  doi="10.1016/j.matdes.2016.10.036",
  issn="0264-1275",
  url="http://www.sciencedirect.com/science/article/pii/S0264127516313351"
}