TITLE

Realization of a phononic crystal operating at gigahertz frequencies

AUTHOR(S)
Su, M. F.; Olsson, R. H.; Leseman, Z. C.; El-Kady, I.
PUB. DATE
February 2010
SOURCE
Applied Physics Letters;2/1/2010, Vol. 96 Issue 5, p053111
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report on the experimental realization of a phononic crystal, designed to operate at gigahertz frequencies. Detailed studies of the structure have been performed using finite difference time domain method to determine effects of slab modes in finite-thickness slabs, thus enabling precise guidance of experimental efforts. In particular, we find the slab mode effects mitigated in ultrathin (thickness less than lattice periodicity) and ultrathick (thickness more than ten times lattice periodicity) slabs. Gigahertz-frequency phononic crystals are well poised to find usage as high-Q resonators, waveguides, and coupling elements in a variety of application areas including RF communications.
ACCESSION #
47929059

 

Related Articles

  • A multilevel component mode synthesis approach for the calculation of the phonon density of states of nanocomposite structures. Li, G. // Computational Mechanics;Oct2008, Vol. 42 Issue 4, p593 

    In this paper, a multilevel component mode synthesis (MCMS) approach is presented for the calculation of the phonon density of states (PDOS) of nanocomposite structures. In this approach, the nanocomposite structures are described by hierarchical levels of substructures. The phonon frequencies...

  • Polaron effects in exchange clusters (V2+-- F---V2+ in KMgF3). Kashirina, N. I. // Semiconductor Physics, Quantum Electronics & Optoelectronics;2005, Vol. 8 Issue 3, p30 

    We have calculated the phonon contribution to the energy of a superexchange. It is shown that the phonon contribution to the exchange interaction is comparable on the order of magnitude with the Coulomb superexchange. The numerical calculations are performed for a molecular cluster consisting of...

  • Numerical Simulation of a TM01—TE11 Waveguide Mode Converter by the FDTD Method. Denisov, G.; Kulygin, M. // Radiophysics & Quantum Electronics;Mar2005, Vol. 48 Issue 3, p185 

    We consider the problem of propagation of a microwave pulse with given transverse structure through a waveguide converter of the circular-waveguide modes from TM01 to TE11 The FDTD method is used for numerical study of the mode composition of the pulse at the converter output as a function of...

  • Two-dimensionally localized modes of a nanoscale gap plasmon waveguide. Pile, D. F. P.; Ogawa, T.; Gramotnev, D. K.; Matsuzaki, Y.; Vernon, K. C.; Yamaguchi, K.; Okamoto, T.; Haraguchi, M.; Fukui, M. // Applied Physics Letters;12/26/2005, Vol. 87 Issue 26, p261114 

    We report numerical analysis and experimental observation of two dimensionally localized plasmonic modes guided by a nanogap in a thin metal film. Dispersion, dissipation, and field structure of these modes are analyzed using the finite-difference time-domain algorithm. The experimental...

  • Oblique Du-Fort Frankel Beam Propagation Method. Chan, Ken; Sewell, Philip; Vukovic, Ana; Benson, Trevor // Advances in OptoElectronics;2011, p1 

    The oblique BPM based on the Du-Fort Frankel method is presented. The paper demonstrates the accuracy and the computational improvements of the scheme compared to the oblique BPM based on Crank-Nicholson (CN) scheme.

  • Switchable phononic wave filtering, guiding, harvesting, and actuating in polarization-patterned piezoelectric solids. Rupp, Cory J.; Dunn, Martin L.; Maute, Kurt // Applied Physics Letters;3/15/2010, Vol. 96 Issue 11, p111902 

    We demonstrate the ability to manipulate the propagation of phononic (elastic, acoustic) waves in two-dimensional piezoelectric solids by spatially patterning the polarization distribution. We simulate the wave fields by the finite element method and demonstrate the ability to dynamically alter...

  • Evidences of evanescent Bloch waves in phononic crystals. Romero-García, V.; Sánchez-Pérez, J. V.; Castiñeira-Ibáñez, S.; Garcia-Raffi, L. M. // Applied Physics Letters;3/22/2010, Vol. 96 Issue 12, p124102 

    We show both experimentally and theoretically the evanescent behavior of modes in the band gap of finite phononic crystal (PC). Based on experimental and numerical data we obtain the imaginary part of the wave vector in good agreement with the complex band structures obtained by the extended...

  • Defect-free localized modes and coupled-resonator acoustic waveguides constructed in two-dimensional phononic quasicrystals. Zhang, Mingda; Zhong, Wei; Zhang, Xiangdong // Journal of Applied Physics;May2012, Vol. 111 Issue 10, p104314 

    The localization of acoustic waves in defect-free two-dimensional quasiperiodic phononic crystals has been investigated by using an exact multiple-scattering method. Different types of localized states have been found in eightfold, tenfold, and twelvefold two-dimensional phononic quasicrystals...

  • Measurement of the thermal conductance of silicon nanowires at low temperature. Bourgeois, Olivier; Fournier, Thierry; Chaussy, Jacques // Journal of Applied Physics;1/1/2007, Vol. 101 Issue 1, p016104 

    We have performed thermal conductance measurements on individual single-crystalline silicon suspended nanowires. The nanowires (130 nm thick and 200 nm wide) are fabricated by e-beam lithography and suspended between two separated pads on silicon on insulator substrate. We measure the thermal...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics