A study of stable thin film pressure and strain transducer materials

Meiksin, Z.H.; Stolinski, E.J.; Kuo, Heng; Mirchandani, R.A.; Shah, Karan

doi:10.1016/0040-6090(72)90399-9

Cited by 25 publications

(1 citation statement)

References 5 publications

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“…The gauge factor not being very high in the present case may be due to the fact that silver islands are embedded in PVP matrix which is known to interact with silver [26]. In the case of cermet films also, long-term stability could be achieved, but at the cost of the gauge factor [27].…”

Section: Resultsmentioning

confidence: 79%

The effect of overlayers on the stability of discontinuous silver films deposited on softened poly(2-vinylpyridine) substrates

Pattabi

Rao

1998

J. Phys. D: Appl. Phys.

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Results of studies on the effect of inorganic overlayers on the long-term stability of discontinuous silver films deposited on softened poly(2-vinylpyridine) (PVP) substrates are reported in this paper. Discontinuous silver films were evaporated onto PVP-coated glass substrates held at 425 K in a vacuum of Torr. The films were coated with overlayers of O, and prior to exposure to the atmosphere. The stability of the films against exposure to the atmosphere was studied by monitoring the resistance during and after exposure to the atmosphere. The stability was monitored for a period of 120 days and the film's resistance had stabilized by 30 days. Results indicate that overlayers improve the stability considerably and seems to be the best passivator, closely followed by . However, compared to O, gives better protection even with a smaller overlayer thickness. A stable discontinuous film with a gauge factor of about 30 could be prepared by depositing silver onto softened PVP passivated by an overlayer, after 30 days of ageing.

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Section: Resultsmentioning

confidence: 79%