Problem

Vanadium oxides are of interest for various sensor applications, owing to the sharp metal-...

Vanadium oxides are of interest for various sensor applications, owing to the sharp metal-insulator transitions they undergo as a function of temperature, pressure, or stress. Vanadium triisopropoxide (VTIPO) was used to grow vanadium oxide films by chemical vapor deposition [J.Electrochem. Soc. , 136, 897 (1989)] . The deposition rate as a function of VTIPO pressure for two different temperatures follows:

T = 120°C:

Growth Rate (μm/h)

0.004

0.015

O.Q25

0.04

0.068

0.08

O.Q95

0.1

VTIPO Pressure (toorr)

0.1

0.2

0.3

0.5

0.8

1.0

1.5

2.0

T = 200°C:

Growth Rate (μm/h))

O.028

0.45

1.8

2.8

7.2

VTIPO Pressure (toorr)

0.05

0.2

0.4

0.5

0.8

In light of the material presented in this chapter, analyze the data and describe your results. Specify where additional data should be taken.

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Solutions For Problems in Chapter 10