Karakteristik Kelistrikan Film Tipis BaTiO3 Didadah Rutenium di atas Substrat Silikon Tipe-p
Abstract
Film tipis Barium Titanat (BaTiO3) telah berhasil dibuat dengan
menggunakan metode Chemical Solution Deposition (CSD) dan Spin Coating.
Dalam penelitian ini telah dibuat film BaTiO3 didadah Ru dengan variasi
konsentrasi pendadah 0%, 0,5%, dan 1%. Film tipis tersebut dideposisikan di atas
substrat silikon tipe-p (100). Film tipis BaTiO3 melalui tahap annealing pada suhu
850oC ditahan selama 8 jam dengan kelajuan kenaikan suhu sebesar 1,67oC/menit,
kemudian mengalami proses pendinginan 12 jam. Film tipis BaTiO3 didadah Ru
dikarakterisasi sifat listriknya dengan menggunakan I-V meter, dan Space Charge
Limited Current (SCLC). Kurva I-V menunjukkan bahwa film tipis memiliki
karakteristik dioda dan responsif terhadap perubahan intensitas radiasi cahaya.
Peningkatan konsentrasi pendadah Ru menyebabkan nilai saturasi meningkat,
sedangkan nilai potensial penghalang menurun. Penambahan konsentrasi pendadah
Ru secara linear menyebabkan kenaikan nilai mobilitas muatan. BaTiO3 didadah
Ru memiliki sifat kelistrikan dan responsif terhadap cahaya. Barium Titanate (BaTiO3) thin films have been successfully created using
Chemical Solution Deposition (CSD) Method and Spin Coating. In this research,
BaTiO3 films are doped with Ru with concentration variants of 0%, 0,5%, and 1%.
Those thin films are deposited above a silicon substrate type-p (100). BaTiO3 films
are through annealing process at 850°C and held for 8 hours with temperature rise
rate of 1,67°C/minutes, then undergoes a cooling process for 12 hours. BaTiO3
doped with Ru were characterized by their electrical properties with I-V Meter, and
Space Charge Limited Current (SCLC). The curve from I-V meter shows that thin
films have diode characteristics and responsive to change in the intensity of light
radiation. The increase of doped concentration of Ru causes the saturation value to
also increase, meanwhile the potential value of the barrier decreases. The addition
of doped concentration of Ru linearly causes the increase of load mobility. BaTiO3
doped with Ru has electrical properties and is responsive to light.
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