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A technique is described which results in an increase in the pH sensitivity of a Si3N4 surface. The technique involves Rapid Thermal Nitridation and provides a method of surface modification which does not interfere with standard processing.
A new kind of X-ray dosimeter which can be used both as a survey meter and as a personal badge-type dosimeter has been realized and tested in different irradiation conditions. This dosimeter operates without any applied voltage, it can be read either by a picoammeter or by a digital voltmeter and it can work both in exposure rate and in exposure mode. The dosimeter has been realized by coupling an...
In this paper we deduce and discuss a new analytical expression for the relative magnetic sensitivity Sr of bipolar magnetotransistors, which incorporates the ambipolar nature of the device operation in the description of the magnetic performance. Our expression accounts for the previously reported [1] trade-off between optimal electrical performance and maximum magnetic sensitivity, commonly found...
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