Light energy transformation over a few nanometers

Hung Ji Huang*, Bo Heng Liu, James Su, Po Jui Chen, Chun Ting Lin, Hai Pang Chiang, Tsung-Sheng Kao, Yuan Fong Chou Chau, Chi Chung Kei, Chi Hung Hwang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Continuous platinum (Pt) thin film was fabricated via the plasma-enhanced atomic layer deposition method for a study of light energy transformation over a few nanometers. Light-to-heat experiments were used to determine the oscillating size effects on electromagnetic energy transformation in quantum wells of smooth and condensed Pt thin films. For Pt-film thicknesses of around 4 nm, 7 nm and 12 nm, electromagnetic heating presented unexpectedly high energy conversion efficiency. An empirical equation acquired from the fitting of the experimental data from various thicknesses of Pt thin films was suggested to describe the oscillating electromagnetic heating and quantized energy transformation. The experimental results show that size control of the nanostructures is extremely important for future applications involving quantum effects in nano devices.

Original languageEnglish
Article number375601
JournalJournal of Physics D: Applied Physics
Issue number37
StatePublished - 23 Aug 2017


  • electromagnetic heating
  • plasma enhanced atomic layer deposition
  • platinum
  • quantum well


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