A fast-response high-temperature high-pressure surface thermocouple

Charles, E.; Lorival, R.; Boyer, André; Malbrunot, P.

doi:10.1016/0250-6874(84)85007-6

Cited by 10 publications

(1 citation statement)

References 5 publications

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“…Besides, MgO films are used in thermal shock transducers for electrical insulation [2] and in AC plasma display panel for protecting layer [3]. On the other hand, MgO single crystal is a popular substrate for preparing ferroelectric thin film because of its low dielectric constant (k' = 9.65) [4], low optical refractive index (n = 1.736) [5], and especially a lattice constant of 4.213 ,~ which is close to several important perovskite ferroelectrics [6,7].…”

Section: Introductionmentioning

confidence: 99%

Electrical and optical properties of MgO thin film prepared by sol-gel technique

Mackenzie

1997

J Sol-Gel Sci Technol

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Abstract. MgO thin films with either (111) or (200) preferential orientation have been prepared on (100) Si substrates by sol-gel method after a heat-treatment at 800~ The obtained (111) preferentially oriented MgO film has a dielectric constant of 7.0 with a loss factor of 5% and a dielectric strength higher than 8 • 105 V/cm. The optical refractive index, which depends on the film thickness, is 1.71 when the film thickness is 260 nm. The surface structure of the Si substrate is believed to affect the preferential orientation of the sol-gel derived MgO film. Specifically, the microstructures at the interface indicate an interdiffusion of Mg, O, and Si between the film and the substrate.

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Section: Introductionmentioning

confidence: 99%