Journal of the Korean Magnetics Society (한국자기학회지)

The Korean Magnetics Society (한국자기학회)
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Photoluminescence of the Single Crystal MnF2(1.5% EuF3)

단결정 MnF2(1.5% EuF3)의 Photoluminescence

  • Kwon, Soon-Hyuk (Department of Physics, College of Liberal Arts and Sciences, Yonsei University) ;
  • Nahm, Kyun (Department of Physics, College of Liberal Arts and Sciences, Yonsei University) ;
  • Kim, Chul-Koo (Institute of Physics and Applied Physics, Yonsei University)
  • 권순혁 (연세대학교 물리학과) ;
  • 남균 (연세대학교 물리학과) ;
  • 김철구 (연세대학교 물리 및 응용물리 사업단)
  • Published : 2007.02.28
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Abstract

The 1R(Infra-Red) spectrum and PL(Photoluminescence) of the antiferromagnetic pure $MnF_2$ and the single crystal $MnF_2(1.5%\;EuF_3)$ with the rutile structures were measured. The detailed analysis of the measured PL data showed the differences of the optical property between the single crystal $MnF_2(1.5%\;EuF_3)$ and the pure $MnF_2$. It was found that the additional PL peak by the doping of the $EuF_3$ in $MnF_2$ is originated from the f-d transition of $Eu^{3+}$ from the temperature dependent intensity measurement.

Rutile 구조를 가진 반강자성체 $MnF_2$와 단결정 $MnF_2(1.5%\;EuF_3)$의 Infra-Red 흡수 스펙트럼과 Photoluminescence 측정을 했다. 측정된 Data의 분석을 통해서 $EuF_3$가 1.5% 첨가된 $MnF_2$와 순수한 $MnF_2$의 광학적 성질의 차이를 밝혀내고, Eu의 첨가에 의해 나오는 PL은 $Eu^{3+}$의 f-d 전이에 의한 것임을 확인했다.

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