Diamond nianofabrication and characterization for biosensing application

Minoru Tachiki*, Yu Kaibara, Yu Sumikawa, Masatsugu Shigeno, Tokishige Banno, Kwang Soup Song, Hitoshi Umezawa, Hiroshi Kawarada

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)


Surface potential of the H-terminated and locally oxidized diamond surfaces is investigated by Kelvin probe force microscope. Potential of H-terminated diamond surface is observed to be -0.1 V higher than that of oxidized diamond surface. Surface potential difference is attributed to the surface charge induced by the electronegativity differences of the terminated atoms. The difference of DNA physisorption on the H- and O-terminated diamond surfaces due to the surface charging effect is also observed.

Original languageEnglish
Pages (from-to)39-43
Number of pages5
JournalPhysica Status Solidi (A) Applied Research
Issue number1
Publication statusPublished - 2003 Sept

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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