Observation of local heating in an ion track by measuring the ion-induced luminescence spectrum

M. Koshimizu, K. Shibuya, K. Asai, H. Shibata

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)

Abstract

The rise of the local temperature in an ion track was observed by utilizing fast exciton radiative recombination in the layered perovskite-type materials (C3H7NH3)2PbBr4 and (C4H9NH3)2PbBr4. In (C3H7NH3)2PbBr4, the local temperature was an increasing function of the excitation density or linear energy transfer (LET). However, the same local temperature was obtained for different LETs in (C4H9NH3)2PbBr4, which was attributed to local melting of the organic layers. Furthermore, the obtained value of the local "melting point" was much higher than that in the bulk analog of the organic and inorganic layers, which indicates that nonequilibrium phonon dynamics plays a crucial role in the thermal spike process.

Original languageEnglish
Pages (from-to)57-60
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume206
DOIs
Publication statusPublished - 2003 May
Externally publishedYes
Event13th International conference on Ion beam modification of Mate - Kobe, Japan
Duration: 2002 Sep 12002 Sep 6

Keywords

  • Ion track
  • Perovskite
  • Thermal spike
  • Urbach rule

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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