Search Results - jonathan+spanier

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Nanowire based plasmonics
PAGE TITLE Overview PAGE SUMMARY Nanoscaled, tunable detector devices for ultrasensitive detection of terahertz (THz) radiation based on the fabrication of one-dimensional (1D) plasma devices having clouds of strongly correlated and spatially confined electronic charge carriers are disclosed. These one-dimensional collective excitations (“plasmons”)...
Published: 2/20/2025   |   Inventor(s): Bahram Nabet, Jonathan Spanier
Keywords(s):  
Category(s): Electrical Engineering, Electronics
HIGH-EFFICIENCY BULK PHOTOVOLTAIC EFFECT DEVICES
PAGE TITLE Overview PAGE SUMMARY The present invention is directed to photovoltaic devices and methods of generating electrical energy and power therefrom, based on a novel nano-enhanced bulk photovoltaic effect using non-centrosymmetric crystals, including ferroelectric and piezoelectric materials. In certain embodiments, the device comprises...
Published: 2/20/2025   |   Inventor(s): Jonathan Spanier, Vladimir Fridkin, Alessia Polemi, Andrew Rappe
Keywords(s):  
Category(s): Energy, Clean Tech & Sustainability, Advanced Materials & Chemicals
Engineered ferroelectric gate devices
PAGE TITLE Overview PAGE SUMMARY Coupling of switchable ferroelectric polarization with the carrier transport in an adjacent semiconductor enables a robust, non-volatile manipulation of the conductance in a host of low-dimensional systems, including the two-dimensional electron liquid that forms at the LaAlO3-SrTiO3 interface. However, the strength...
Published: 2/20/2025   |   Inventor(s): Jonathan Spanier, Zongquan Gu, Mohammad Islam
Keywords(s):  
Category(s): Electrical Engineering, Electronics, Advanced Materials & Chemicals
Method of Making Ferroelectric Material Thin Films
PAGE TITLE Overview PAGE SUMMARY A method of growing a FE material thin film using physical vapor deposition by pulsed laser deposition or RF sputtering is disclosed. The method involves creating a target to be used for the pulsed laser deposition in order to create a KBNNO thin film. The resultant KBNNO thin film is able to be used in photovoltaic...
Published: 2/20/2025   |   Inventor(s): Jonathan Spanier, Andrei (andrew) Akbasheu, Andrew Rappe, Liyan Wu, Peter Davies, Ilya Grinberg
Keywords(s):  
Category(s): Electrical Engineering, Advanced Materials & Chemicals
Semiconductor ferroelectric compositions and their use in photovoltaic devices
PAGE TITLE Overview PAGE SUMMARY Disclosed herein are ferroelectric perovskites characterized as having a band gap, Egap, of less than 2.5 eV. Also disclosed are compounds comprising a solid solution of KNbO3 and BaNi1/2Nb1/2O3-delta, wherein delta is in the range of from 0 to about 1. The specification also discloses photovoltaic devices comprising...
Published: 2/20/2025   |   Inventor(s): Jonathan Spanier, Andrew Rappe, Peter Davies, Ilya Grinberg, Don West
Keywords(s):  
Category(s): Energy, Advanced Materials & Chemicals, Clean Tech & Sustainability