Thermal detection of single e-h pairs in a biased silicon crystal detector

Romani, R. K.; Brink, P. L.; Cabrera, B.; Cherry, M.; Howarth, T.; Kurinsky, N.; Moffatt, R. A.; Partridge, R.; Ponce, F.; Pyle, M.; Tomada, A.; Yellin, S.; Yen, J. J.; Young, B. A.

doi:10.1063/1.5010699

Title: Thermal detection of single e-h pairs in a biased silicon crystal detector

Abstract

We demonstrate that individual electron-hole pairs are resolved in a 1 cm² by 4 mm thick silicon crystal (0.93 g) operated at ~35 mK. One side of the detector is patterned with two quasiparticle-trap-assisted electro-thermal-feedback transition edge sensor arrays held near ground potential. The other side contains a bias grid with 20% coverage. Bias potentials up to ±160 V were used in the work reported here. A fiber optic provides 650 nm (1.9 eV) photons that each produce an electron-hole (e^–h⁺) pair in the crystal near the grid. The energy of the drifting charges is measured with a phonon sensor noise σ ~0.09 e^– h⁺ pair. In conclusion, the observed charge quantization is nearly identical for h⁺s or e^–s transported across the crystal.

Authors:

Romani, R. K. ^[1]; Brink, P. L. ^[2]; Cabrera, B. ^[3]; Cherry, M. ^[2]; Howarth, T. ^[1];

^[3]; Moffatt, R. A. ^[1];

^[2];

^[1]; Pyle, M. ^[4]; Tomada, A. ^[2]; Yellin, S. ^[1]; Yen, J. J. ^[1]; Young, B. A. ^[5]

Stanford Univ., CA (United States). Dept. of Physics
SLAC National Accelerator Lab., Menlo Park, CA (United States). Kavli Inst.for Particle Astrophysics and Cosmology
Stanford Univ., CA (United States). Dept. of Physics; SLAC National Accelerator Lab., Menlo Park, CA (United States). Kavli Inst.for Particle Astrophysics and Cosmology
Univ. of California, Berkeley, CA (United States). Dept. of Physics
Santa Clara Univ., Santa Clara, CA (United States). Dept. of Physics

Publication Date:: Tue Jan 23 00:00:00 EST 2018

Research Org.:: SLAC National Accelerator Lab., Menlo Park, CA (United States)

Sponsoring Org.:: USDOE; National Science Foundation (NSF)

OSTI Identifier:: 1424717

Alternate Identifier(s):: OSTI ID: 1417769

Grant/Contract Number:: AC02-76SF00515

Resource Type:: Accepted Manuscript

Journal Name:: Applied Physics Letters

Additional Journal Information:: Journal Volume: 112; Journal Issue: 4; Journal ID: ISSN 0003-6951

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Romani, R. K., Brink, P. L., Cabrera, B., Cherry, M., Howarth, T., Kurinsky, N., Moffatt, R. A., Partridge, R., Ponce, F., Pyle, M., Tomada, A., Yellin, S., Yen, J. J., and Young, B. A. Thermal detection of single e-h pairs in a biased silicon crystal detector.  United States: N. p., 2018. 
Web.  doi:10.1063/1.5010699.

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                    Romani, R. K., Brink, P. L., Cabrera, B., Cherry, M., Howarth, T., Kurinsky, N., Moffatt, R. A., Partridge, R., Ponce, F., Pyle, M., Tomada, A., Yellin, S., Yen, J. J., & Young, B. A. Thermal detection of single e-h pairs in a biased silicon crystal detector.  United States.  https://doi.org/10.1063/1.5010699

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                    Romani, R. K., Brink, P. L., Cabrera, B., Cherry, M., Howarth, T., Kurinsky, N., Moffatt, R. A., Partridge, R., Ponce, F., Pyle, M., Tomada, A., Yellin, S., Yen, J. J., and Young, B. A. Tue .  
"Thermal detection of single e-h pairs in a biased silicon crystal detector".  United States.  https://doi.org/10.1063/1.5010699.  https://www.osti.gov/servlets/purl/1424717.

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@article{osti_1424717,

  title        = {Thermal detection of single e-h pairs in a biased silicon crystal detector},

  author       = {Romani, R. K. and Brink, P. L. and Cabrera, B. and Cherry, M. and Howarth, T. and Kurinsky, N. and Moffatt, R. A. and Partridge, R. and Ponce, F. and Pyle, M. and Tomada, A. and Yellin, S. and Yen, J. J. and Young, B. A.},

  abstractNote = {We demonstrate that individual electron-hole pairs are resolved in a 1 cm2 by 4 mm thick silicon crystal (0.93 g) operated at ~35 mK. One side of the detector is patterned with two quasiparticle-trap-assisted electro-thermal-feedback transition edge sensor arrays held near ground potential. The other side contains a bias grid with 20% coverage. Bias potentials up to ±160 V were used in the work reported here. A fiber optic provides 650 nm (1.9 eV) photons that each produce an electron-hole (e–h+) pair in the crystal near the grid. The energy of the drifting charges is measured with a phonon sensor noise σ ~0.09 e– h+ pair. In conclusion, the observed charge quantization is nearly identical for h+s or e–s transported across the crystal.},

  doi          = {10.1063/1.5010699},

  journal      = {Applied Physics Letters},

  number       = 4,

  volume       = 112,

  place        = {United States},

  year         = {Tue Jan 23 00:00:00 EST 2018},

  month        = {Tue Jan 23 00:00:00 EST 2018}

}

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https://doi.org/10.1063/1.5010699

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Cited by: 42 works

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Figures / Tables:

Fig. 1: Photograph of the Si detector mounted on the mixing chamber stage of the KelvinOx 15 dilution refrigerator with phonon sensors on top and the bias grid below. A fiber optic illuminates the device from below with 650 nm photons.

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Title: Thermal detection of single e-h pairs in a biased silicon crystal detector

Abstract

Citation Formats

Figures / Tables:

New results from the Cryogenic Dark Matter Search experiment journal, October 2003

Observation of coherent elastic neutrino-nucleus scattering journal, August 2017

A quasiparticle‐trap‐assisted transition‐edge sensor for phonon‐mediated particle detection journal, November 1995

New Results from the Search for Low-Mass Weakly Interacting Massive Particles with the CDMS Low Ionization Threshold Experiment journal, February 2016

Nonlinear optimal filter technique for analyzing energy depositions in TES sensors driven into saturation journal, November 2014

Measurement of the ionization produced by sub-keV silicon nuclear recoils in a CCD dark matter detector journal, October 2016

Imaging the oblique propagation of electrons in germanium crystals at low temperature and low electric field journal, January 2016

Radiation Ionization Processes in Germanium and Silicon Crystals journal, May 1962

Observation of coherent elastic neutrino-nucleus scattering text, January 2017

Radiation ionization processes in germanium and silicon crystals [Процессы радиационной ионизации в кристаллах германия и кремния] journal, January 1961

Observation of Coherent Elastic Neutrino-Nucleus Scattering text, January 2017

Defect Creation in Crystals: A Portal to Directional Dark Matter Searches journal, August 2018

Optimizing Thermal Detectors for Low-Threshold Applications in Neutrino and Dark Matter Experiments journal, October 2018

Modeling of Impact Ionization and Charge Trapping in SuperCDMS HVeV Detectors journal, February 2020

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Direct detection of strongly interacting sub-GeV dark matter via electron recoils journal, September 2019

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Diamond Detectors for Direct Detection of Sub-GeV Dark Matter text, January 2019

Direct Detection of Strongly Interacting Sub-GeV Dark Matter via Electron Recoils text, January 2019

On the relation between Migdal effect and dark matter-electron scattering in isolated atoms and semiconductors text, January 2019

Modeling of Impact Ionization and Charge Trapping in SuperCDMS HVeV Detectors text, January 2019

New results from the Cryogenic Dark Matter Search experiment
journal, October 2003

Observation of coherent elastic neutrino-nucleus scattering
journal, August 2017

A quasiparticle‐trap‐assisted transition‐edge sensor for phonon‐mediated particle detection
journal, November 1995

New Results from the Search for Low-Mass Weakly Interacting Massive Particles with the CDMS Low Ionization Threshold Experiment
journal, February 2016

Nonlinear optimal filter technique for analyzing energy depositions in TES sensors driven into saturation
journal, November 2014

Measurement of the ionization produced by sub-keV silicon nuclear recoils in a CCD dark matter detector
journal, October 2016

Imaging the oblique propagation of electrons in germanium crystals at low temperature and low electric field
journal, January 2016

Radiation Ionization Processes in Germanium and Silicon Crystals
journal, May 1962

Observation of coherent elastic neutrino-nucleus scattering
text, January 2017

Radiation ionization processes in germanium and silicon crystals [Процессы радиационной ионизации в кристаллах германия и кремния]
journal, January 1961

Observation of Coherent Elastic Neutrino-Nucleus Scattering
text, January 2017

Defect Creation in Crystals: A Portal to Directional Dark Matter Searches
journal, August 2018

Optimizing Thermal Detectors for Low-Threshold Applications in Neutrino and Dark Matter Experiments
journal, October 2018

Modeling of Impact Ionization and Charge Trapping in SuperCDMS HVeV Detectors
journal, February 2020

Nanokelvin DC and AC Meissner-transition-edge temperature detectors
journal, February 2019

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journal, September 2019

SENSEI: First Direct-Detection Constraints on sub-GeV Dark Matter from a Surface Run
text, January 2018

First Dark Matter Constraints from a SuperCDMS Single-Charge Sensitive Detector
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