Investigation of electron wave function hybridization in Ga0.25In0.75As/InP arrays
We present a measurement technique for quantifying coupling between semiconductor quantum dots in an array. This technique employs magnetoconductance fluctuations to probe the decrease in the average ...
We present a measurement technique for quantifying coupling between semiconductor quantum dots in an array. This technique employs magnetoconductance fluctuations to probe the decrease in the average ...
Observation of the zero-magnetic-field exciton spin splitting in high quality bulk GaAs and AlGaAs
We present an experimental study of the zero-magnetic-field exciton spin splitting measured by time-resolved photoluminescence in high purity bulk GaAs and AlGaAs samples. The dynamics of the splittin...
We present an experimental study of the zero-magnetic-field exciton spin splitting measured by time-resolved photoluminescence in high purity bulk GaAs and AlGaAs samples. The dynamics of the splittin...
Large electromechanical coupling factor film bulk acoustic resonator with X-cut LiNbO3 layer transfer
Appl. Phys. Lett. 95, 182106 (2009); doi:10.1063/1.3258496
Published 5 November 2009
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As layer transfer techniques have been notably improved in the past years, lithium niobate (LiNbO3) appears as a candidate for the next generation of ultrawide band radio frequency (rf) filters. Depending on the crystalline orientation, LiNbO3 can achieve electromechanical coupling factors Kt2 more than six times larger than those of sputtered aluminum nitride films. In this letter, a process based on direct bonding, grinding, polishing, and deep reactive ion etching is proposed to fabricate a single crystal LiNbO3 film bulk acoustic resonator. From the fabricated test vehicles, Kt2 of 43% is measured confirming the values predicted by theoretical computations.
©2009 American Institute of Physics
| History: | Received 8 July 2009; accepted 14 October 2009; published 5 November 2009 |
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http://link.aip.org/link/?APPLAB/95/182106/1 |
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0003-6951 (print)
1077-3118 (online)
AIP
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