Publication detail

Tailoring the band gap of ferroelectric YMnO3 through tuning the Os doping level

POLAT, Ö. COSKUN, F. M. COSKUN, M. DURMUS, Z. CAGLAR, Y. CAGLAR, M. TURUT, A.

Original Title

Tailoring the band gap of ferroelectric YMnO3 through tuning the Os doping level

Type

journal article in Web of Science

Language

English

Original Abstract

Perovskite-oxide materials have grabbed enormous attention from various research groups all over the world due to their large application areas. The band-gap engineering of those materials are important for optoelectronic researches especially for ferroelectric (FE) solar cells that have unique features such as having higher open circuit voltages than the band gap and their spontaneous polarization which leads to photovoltaic effect. Nevertheless, the most of the perovskite FE materials have wide band gaps that hamper the absorption of large solar spectrum. In the present study, it has been demonstrated the band gap of YMnO3 (YMO), which is one of the mostly studied FE materials, can be tuned via doping osmium (Os) into manganese (Mn) site. The band gap of YMO, 2.10eV successfully is lowered to 1.61eV. Polycrystalline YMnO3 and YMn1-xOsxO3 (YMOO) (x=0.01, 0.05, 0.10) thin films were synthesized on indium tin oxide (ITO) substrates at 500 degrees C by magnetron sputtering method. Their structural, chemical and optical band-gap properties were studied and the results showed the Os doped YMO compounds could be a potential candidate for future ferroelectric solar cell studies.

Keywords

ferroelectrics; materials

Authors

POLAT, Ö.; COSKUN, F. M.; COSKUN, M.; DURMUS, Z.; CAGLAR, Y.; CAGLAR, M.; TURUT, A.

Released

2. 1. 2019

Publisher

SPRINGER

Location

DORDRECHT

ISBN

0957-4522

Periodical

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS

Year of study

30

Number

4

State

Kingdom of the Netherlands

Pages from

3443

Pages to

3451

Pages count

9

URL

https://link.springer.com/article/10.1007/s10854-018-00619-9

BibTex

@article{BUT161930,
  author="POLAT, Ö. and COSKUN, F. M. and COSKUN, M. and DURMUS, Z. and CAGLAR, Y. and CAGLAR, M. and TURUT, A.",
  title="Tailoring the band gap of ferroelectric YMnO3 through tuning the Os doping level",
  journal="JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS",
  year="2019",
  volume="30",
  number="4",
  pages="3443--3451",
  doi="10.1007/s10854-018-00619-9",
  issn="0957-4522",
  url="https://link.springer.com/article/10.1007/s10854-018-00619-9"
}