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首页> 外文期刊>Electrochemical and solid-state letters >Deposition of High Dielectric Barium-Doped Titanium Silicon Oxide Films on Silicon Using Hexafluorotitanic Acid and Barium Nitrate
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Deposition of High Dielectric Barium-Doped Titanium Silicon Oxide Films on Silicon Using Hexafluorotitanic Acid and Barium Nitrate

机译:六氟钛酸和硝酸钡在硅上沉积高介电掺杂钡的钛硅氧化物薄膜

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摘要

High-dielectric barium-doped titanium silicon oxide films are prepared on silicon substrates by liquid, phase deposition using hexafluorotitanic acid and barium nitrate as sources at low temperature. The elements of the films are barium, titanium, silicon, fluorine, and oxygen and uniformly distributed in the films examined by secondary-ion mass spectroscopy. The static dielectric constant and refractive index can reach about 35 and 2.01. From current-voltage measurement, the leakage current of the as-deposited film is about 9.18 X 10~(-6) A/cm~2 at the electrical field intensity of 1 MV/cm. From capacitance-voltage measurement, the effective oxide charge is 4.32 X 10~(-6) cm~(-2). These films have high potential for optoelectronic applications.
机译:采用六氟钛酸和硝酸钡作为低温源,通过液相沉积在硅衬底上制备高介电掺杂钡的钛氧化硅膜。膜的元素是钡,钛,硅,氟和氧,并且通过二次离子质谱法均匀地分布在膜中。静态介电常数和折射率可以达到约35和2.01。从电流-电压测量,在1MV / cm的电场强度下,所沉积的膜的泄漏电流为约9.18×10 6(-6)A / cm 2。通过电容电压测量,有效氧化物电荷为4.32 X 10〜(-6)cm〜(-2)。这些薄膜在光电应用中具有很高的潜力。

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