Hydrogen detection and electrical properties of titanium silicate Schottky diode fabricated by RF-magnetron sputtering method


Tasyurek L. B., KILINÇ N.

International Journal of Hydrogen Energy, cilt.144, ss.738-745, 2025 (SCI-Expanded, Scopus) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 144
  • Basım Tarihi: 2025
  • Doi Numarası: 10.1016/j.ijhydene.2025.03.135
  • Dergi Adı: International Journal of Hydrogen Energy
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, PASCAL, Artic & Antarctic Regions, Chemical Abstracts Core, Chimica, Communication Abstracts, Compendex, Environment Index, INSPEC
  • Sayfa Sayıları: ss.738-745
  • Anahtar Kelimeler: Electrical characterization, Hydrogen sensor, Perovskite like layers, RF-Magnetron sputtering, Scheelite-type structure, TiSiO4
  • İnönü Üniversitesi Adresli: Evet

Özet

In this study, the electrical characterization of Schottky contact produced by coating TiSiO4 from the perovskite like layered family on p and n type Si by using RF-magnetron sputtering method was investigated depending on gas atmosphere and temperature. The morphological structure of the TiSiO4 thin film was examined by XRD analysis, FE-SEM images, and EDX spectrum. According to AFM images, the average roughness was found to be 0.811 nm. Temperature dependent I–V and AC characteristics of p-Si/TiSiO4 and n-Si/TiSiO4 devices were measured under dry air flow. In addition, frequency dependent C–V measurements of the devices were performed to investigate the capacitance properties of the scheelite-type interface. Also, the sensor response obtained with this device was as high as 267.7. Hydrogen sensing properties of p-Si/TiSiO4/Pt structure were investigated depending on concentration, temperature and interference gases. Electrical parameters with p type Si provided better results. The p-Si/TiSiO4/Pt sensor device showed Schottky behavior at low temperatures, but the device changed to ohmic behavior with increasing temperature.