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American Institute of Physics, Journal of Applied Physics, 7(112), p. 074504

DOI: 10.1063/1.4757011

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InAsP-based quantum wells as infrared pressure gauges for use in a diamond anvil cell

Journal article published in 2012 by S. Trushkin, A. Kamińska ORCID, W. Trzeciakowski, M. Hopkinson, A. Suchocki
This paper is available in a repository.
This paper is available in a repository.

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Abstract

The results of high-pressure, low-temperature luminescence measurements of three InAsP-based multiple quantum well structures are reported for application as pressure sensors for diamond anvil cells working in the near-infrared spectral range. The multiple quantum well structures exhibit a much higher pressure shift of the luminescence lines as compared with ruby, typically used as the pressure sensor for diamond anvil cell. However, the full width at half maximum of the quantum wells is much higher than that for ruby. This reduces the available sensitivity gain exhibited by the InAsP-based quantum wells, but the improvement is still 2–3 times higher than that of ruby. Three InAsP multiple quantum well samples were examined, which exhibited luminescence at various wavelengths. The wavelength shift of these samples could be calibrated using similar parameters.