III-nitride heterostructure layered tunnel barriers for a tunable hyperspectral detector

L. Douglas Bell; Neeraj Tripathi; J. R. Grandusky; Vibhu Jindal; F. Shadi Shahedipour-Sandvik

doi:10.1109/JSEN.2008.923180

III-nitride heterostructure layered tunnel barriers for a tunable hyperspectral detector

L. Douglas Bell
, Neeraj Tripathi
, J. R. Grandusky
, Vibhu Jindal
, F. Shadi Shahedipour-Sandvik

Office of Research, Innovation, and Economic Development

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Jet Propulsion Laboratory, California Institute of Technology
SUNY Albany

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

We report on the fabrication and characterization of III-nitride layered tunnel barriers with applications for a new type of tunable hyperspectral imaging detector with intrinsically hyperspectral pixels. This would enable each pixel to be individually tunable in real-time through a range of wavelengths, with the number and width of spectral channels being dynamically adjustable. Shape-engineered electron barriers fabricated from III-nitride heterostructures allow barrier height to be varied by application of a voltage. A spectroscopy of photon wavelength is enabled via the collection of photoexcited electrons across this barrier. The device is envisioned for tunable detection of ultraviolet through infrared wavelengths.

Original language	English
Article number	4529167
Pages (from-to)	724-729
Number of pages	6
Journal	IEEE Sensors Journal
Volume	8
Issue number	6
DOIs	https://doi.org/10.1109/JSEN.2008.923180
State	Published - Jun 2008

Keywords

Dielectric films
Transducers
Tunneling
Ultraviolet detectors

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10.1109/JSEN.2008.923180

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title = "III-nitride heterostructure layered tunnel barriers for a tunable hyperspectral detector",

abstract = "We report on the fabrication and characterization of III-nitride layered tunnel barriers with applications for a new type of tunable hyperspectral imaging detector with intrinsically hyperspectral pixels. This would enable each pixel to be individually tunable in real-time through a range of wavelengths, with the number and width of spectral channels being dynamically adjustable. Shape-engineered electron barriers fabricated from III-nitride heterostructures allow barrier height to be varied by application of a voltage. A spectroscopy of photon wavelength is enabled via the collection of photoexcited electrons across this barrier. The device is envisioned for tunable detection of ultraviolet through infrared wavelengths.",

keywords = "Dielectric films, Transducers, Tunneling, Ultraviolet detectors",

author = "Bell, \{L. Douglas\} and Neeraj Tripathi and Grandusky, \{J. R.\} and Vibhu Jindal and Shahedipour-Sandvik, \{F. Shadi\}",

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AU - Bell, L. Douglas

AU - Tripathi, Neeraj

AU - Grandusky, J. R.

AU - Jindal, Vibhu

AU - Shahedipour-Sandvik, F. Shadi

PY - 2008/6

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AB - We report on the fabrication and characterization of III-nitride layered tunnel barriers with applications for a new type of tunable hyperspectral imaging detector with intrinsically hyperspectral pixels. This would enable each pixel to be individually tunable in real-time through a range of wavelengths, with the number and width of spectral channels being dynamically adjustable. Shape-engineered electron barriers fabricated from III-nitride heterostructures allow barrier height to be varied by application of a voltage. A spectroscopy of photon wavelength is enabled via the collection of photoexcited electrons across this barrier. The device is envisioned for tunable detection of ultraviolet through infrared wavelengths.

KW - Dielectric films

KW - Transducers

KW - Tunneling

KW - Ultraviolet detectors

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JO - IEEE Sensors Journal

JF - IEEE Sensors Journal

IS - 6

M1 - 4529167

ER -

III-nitride heterostructure layered tunnel barriers for a tunable hyperspectral detector

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Keywords

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