Operando Analysis of Electron Devices Using Nanodiamond Thin Films Containing Nitrogen-Vacancy Centers

Haruki Uchiyama, Soya Saijo, Shigeru Kishimoto, Junko Hayase, Yutaka Ohno

Research output: Contribution to journalArticle

Abstract

Operando analysis of electron devices provides key information regarding their performance enhancement, reliability, thermal management, etc. For versatile operando analysis of devices, the nitrogen-vacancy (NV) centers in diamonds are potentially useful media owing to their excellent sensitivity to multiple physical parameters. However, in single crystal diamond substrates often used for sensing applications, placing NV centers in contiguity with the active channel is difficult. This study proposes an operando analysis method using a nanodiamond thin film that can be directly formed onto various electron devices by a simple solution-based process. The results of noise analysis of luminescence of the NV centers in nanodiamonds show that the signal-to-noise ratio in optically detected magnetic resonance can be drastically improved by excluding the large 1/f noise of nanodiamonds. Consequently, the magnetic field and increase in temperature caused by the device current could be simultaneously measured in a lithographically fabricated metal microwire as a test device. Moreover, the spatial mapping measurement is demonstrated and shows a similar profile with the numerical calculation.

Original languageEnglish
Pages (from-to)7459-7466
Number of pages8
JournalACS Omega
Volume4
Issue number4
DOIs
Publication statusPublished - 2019 Apr 24

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Nanodiamonds
Electron devices
Vacancies
Diamond
Nitrogen
Thin films
Diamonds
Magnetic resonance
Temperature control
Luminescence
Signal to noise ratio
Metals
Single crystals
Magnetic fields
Substrates
Temperature

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Operando Analysis of Electron Devices Using Nanodiamond Thin Films Containing Nitrogen-Vacancy Centers. / Uchiyama, Haruki; Saijo, Soya; Kishimoto, Shigeru; Hayase, Junko; Ohno, Yutaka.

In: ACS Omega, Vol. 4, No. 4, 24.04.2019, p. 7459-7466.

Research output: Contribution to journalArticle

Uchiyama, Haruki ; Saijo, Soya ; Kishimoto, Shigeru ; Hayase, Junko ; Ohno, Yutaka. / Operando Analysis of Electron Devices Using Nanodiamond Thin Films Containing Nitrogen-Vacancy Centers. In: ACS Omega. 2019 ; Vol. 4, No. 4. pp. 7459-7466.
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