Tailoring Crystal Growth via Sn Incorporation for High-Performance ALD IGO FETs

  • Kim, Gwang-bok
  • Jeong, Joo-hee
  • Park, Soojin
  • Choi, Sunghyun
  • An, Jiseong
  • ... Jeong, Jae Kyeong
  • 외 1명
Citations

WEB OF SCIENCE

2
Citations

SCOPUS

2

초록

This study presents high-performance field-effect transistors (FETs) using atomic layer deposition (ALD)-derived Sn-doped oxide semiconductors for back-end-of-line (BEOL)-compatible applications. Optimized Sn incorporation promoted (222) face crystal growth, reducing grain boundary density and enhancing carrier transport. The resulting FET exhibited a high mobility of 79.5 cm2/Vs, a low subthreshold swing of 61.0 mV/dec, and stable enhancement-mode operation. Reliability tests confirmed minimal threshold voltage shifts under external bias temperature stress, demonstrating the potential of ALD-based oxide semiconductors for next-generation memory applications.

키워드

Atomic Layer DepositionCrystallizationIndium Gallium Tin OxideOxide SemiconductorThin-film TransistorField Effect TransistorsGallium CompoundsGrain BoundariesGrain GrowthMos DevicesOxide SemiconductorsSemiconducting IndiumSemiconducting Indium CompoundsSemiconducting Tin CompoundsThin Film CircuitsThreshold VoltageTin OxidesAtomic-layer DepositionBack End Of LinesC. Thin Film Transistor (tft)Carriers TransportDoped OxidesField-effect TransistorGrain Boundary DensitiesHigh MobilityPerformanceSn-dopedAtomic Layer DepositionCrystallizationThin Film TransistorsTRANSISTORS
제목
Tailoring Crystal Growth via Sn Incorporation for High-Performance ALD IGO FETs
저자
Kim, Gwang-bokJeong, Joo-heePark, SoojinChoi, SunghyunAn, JiseongPark, KwangminJeong, Jae Kyeong
DOI
10.1109/LED.2025.3601554
발행일
2025-10
유형
Article
저널명
IEEE Electron Device Letters
46
10
페이지
1781 ~ 1784