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Quantum technology

Low power electrical measurements

Characterising semiconductors and insulators

This service is for designers and developers of low power and high resistance products containing semiconductor chips, insulators and the components up or downstream of these. We offer a flexible and bespoke service, and our experts can give advice if the problem is not a standard calibration or measurement.  NPL has unique capability to do femtoamp-level measurements for current and specialists to explain the significance of the measurements.

In addition to the long-standing demand from the power generation industry for well-characterised electrical insulators, growing markets for products such as radio-frequency identification (RFID) chips and medical devices require femtoamp / petaohm characterisation of semiconductor materials. Our research experience developing single-electron current standards means we have the instrumentation and methods to measure small currents traceable to primary standards. If you have a measurement problem related to small electrical currents, charges or high resistance, we would love to hear from you.

Recent applications of this measurement expertise include:

  • Probe-station measurements of femtoamp (fA) leakage currents in nano-fabricated semiconductor structures
  • Measurement of focused ion beam currents at the 10-100 fA level to verify single-ion implantation capability
  • Calibration of electrometers used for environmental nano-particle counting at currents from 10-1000 fA

Don’t see what you are looking for? Our diverse skill set enables us to provide bespoke solutions. Please contact us to discuss your requirements.

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Our research and measurement solutions support innovation and product development. We work with companies to deliver business advantage and commercial success.
Contact our Customer Services team on +44 20 8943 7070