Search Results - "Maznev, A.A."

Reciprocity in reflection and transmission: What is a ‘phonon diode’? by Maznev, A.A., Every, A.G., Wright, O.B.

“…The newly popular topic of ‘phonon diodes’ is discussed in the context of a broader issue of reciprocity in reflection/transmission (R–T) of waves. We first…”
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Extreme ultraviolet transient gratings: A tool for nanoscale photoacoustics by Foglia, L., Mincigrucci, R., Maznev, A.A., Baldi, G., Capotondi, F., Caporaletti, F., Comin, R., De Angelis, D., Duncan, R.A., Fainozzi, D., Kurdi, G., Li, J., Martinelli, A., Masciovecchio, C., Monaco, G., Milloch, A., Nelson, K.A., Occhialini, C.A., Pancaldi, M., Pedersoli, E., Pelli-Cresi, J.S., Simoncig, A., Travasso, F., Wehinger, B., Zanatta, M., Bencivenga, F.

“…Collective lattice dynamics determine essential aspects of condensed matter, such as elastic and thermal properties. These exhibit strong dependence on the…”
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Corrigendum to: “Extreme ultraviolet transient gratings: A tool for nanoscale photoacoustics” [Photoacoustics 29 (2023) 100453] by Foglia, L., Mincigrucci, R., Maznev, A.A., Baldi, G., Capotondi, F., Caporaletti, F., Comin, R., De Angelis, D., Duncan, R.A., Fainozzi, D., Kurdi, G., Li, J., Martinelli, A., Masciovecchio, C., Monaco, G., Milloch, A., Nelson, K.A., Occhialini, C.A., Pancaldi, M., Pedersoli, E., Pelli-Cresi, J.S., Simoncig, A., Travasso, F., Wehinger, B., Zanatta, M., Bencivenga, F.

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Imaging phonon eigenstates and elucidating the energy storage characteristics of a honeycomb-lattice phononic crystal cavity by Otsuka, P.H., Chinbe, R., Tomoda, M., Matsuda, O., Tanaka, Y., Profunser, D.M., Kim, S., Jeon, H., Veres, I.A., Maznev, A.A., Wright, O.B.

“…We extend gigahertz time-domain imaging to a wideband investigation of the eigenstates of a phononic crystal cavity. Using omnidirectionally excited phonon…”
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Bulk and surface acoustic wave phenomena in crystals: Observation and interpretation by Every, A.G., Maznev, A.A., Grill, W., Pluta, M., Comins, J.D., Wright, O.B., Matsuda, O., Sachse, W., Wolfe, J.P.

“…Crystal acoustics is a field that has engaged the attention of theoreticians and experimentalists alike for decades and more. Many striking effects have been…”
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Broadband terahertz ultrasonic transducer based on a laser-driven piezoelectric semiconductor superlattice by Maznev, A.A., Manke, Kara J., Lin, Kung-Hsuan, Nelson, Keith A., Sun, Chi-Kuang, Chyi, Jen-Inn

“…► We are aiming to extend acoustic spectroscopy across the whole Brillouin zone. ► Femtosecond laser pulses excite multiple acoustic modes of a 10-period…”
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Laser generation of surface acoustic modes guided by copper lines of sub-micron width on silicon by Maznev, A.A., Gostein, M.

“…Surface acoustic waves guided by a copper line embedded in a silica film on a silicon wafer were generated and detected optically using the laser-induced…”
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On the effective medium model of the interaction of Rayleigh waves with mass–spring oscillators on the surface by Maznev, A.A.

“…The interaction of Rayleigh surface waves with a random arrangement of oscillators on the surface of an elastic half-space is analyzed with the help of the…”
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Observation of second sound in graphite at temperatures above 100 K by Huberman, S, Duncan, R A, Chen, K, Song, B, Chiloyan, V, Ding, Z, Maznev, A A, Chen, G, Nelson, K A

“…Wavelike thermal transport in solids, referred to as second sound, is an exotic phenomenon previously limited to a handful of materials at low temperatures…”
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Lattice swelling and modulus change in a helium-implanted tungsten alloy: X-ray micro-diffraction, surface acoustic wave measurements, and multiscale modelling by Hofmann, F., Nguyen-Manh, D., Gilbert, M.R., Beck, C.E., Eliason, J.K., Maznev, A.A., Liu, W., Armstrong, D.E.J., Nelson, K.A., Dudarev, S.L.

“…Using X-ray micro-diffraction and surface acoustic wave spectroscopy, we measure lattice swelling and elastic modulus changes in a W-1% Re alloy after…”
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Upholding the diffraction limit in the focusing of light and sound by Maznev, A.A., Wright, O.B.

“…The concept of the diffraction limit put forth by Ernst Abbe and others has been an important guiding principle limiting our ability to tightly focus classical…”
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Glass fracture by focusing of laser-generated nanosecond surface acoustic waves by Veysset, David, Kooi, Steven E., Haferssas, Ryadh, Hassani-Gangaraj, Mostafa, Islam, Mohammad, Maznev, A.A., Chernukha, Yevheniia, Zhao, Xiaoguang, Nakagawa, Keiichi, Martynowych, Dmitro, Zhang, Xin, Lomonosov, Alexey M., Schuh, Christopher A., Radovitzky, Raul, Pezeril, Thomas, Nelson, Keith A.

“…Dynamic fracture of borosilicate glass through focusing of high-amplitude nanosecond surface acoustic waves (SAWs) at the micron scale is investigated in an…”
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Boundary-limited thermal conduction of crystalline rods oriented near phonon-focusing caustics by Every, A.G., Maznev, A.A.

“…We apply the Casimir model for boundary-limited heat conduction to single-crystal rods oriented near phonon-focusing caustics. We show that rods with axes…”
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Fano line shapes of leaky surface acoustic waves extending from supersonic surface wave points by Every, A.G., Maznev, A.A.

“…This paper highlights the close connection between two issues that are attracting considerable attention in diverse areas of physics including photonics,…”
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Formation of surface phonon focusing caustics in crystals by Maznev, A.A, Every, A.G

“…The effect of elastic anisotropy on surface phonon focusing in the (1 1 1) surface of cubic crystals is studied theoretically and experimentally. Calculations…”
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Contact-based and spheroidal vibrational modes of a hexagonal monolayer of microspheres on a substrate by Vega-Flick, A., Duncan, R.A., Wallen, S.P., Boechler, N., Stelling, C., Retsch, M., Alvarado-Gil, J.J., Nelson, K.A., Maznev, A.A.

“…We analytically study acoustic modes of a close-packed hexagonal lattice of spheres adhered to a substrate, propagating along a high-symmetry direction. The…”
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Lifetime of high-order thickness resonances of thin silicon membranes by Maznev, A.A., Hofmann, F., Cuffe, J., Eliason, J.K., Nelson, K.A.

“…Femtosecond laser pulses are used to excite and probe high-order longitudinal thickness resonances at a frequency of ∼270GHz in suspended Si membranes with…”
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Existence of backward propagating acoustic waves in supported layers by Maznev, A.A., Every, A.G.

“…Conditions for the existence of acoustic waveguide modes with the direction of the group velocity opposite to that of the phase velocity in supported layers…”
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Laser-generated surface acoustic waves in a ring-shaped waveguide resonator by Maznev, A.A.

“…Surface acoustic wave (SAW) waveguide resonator is formed by a ring-shaped strip of copper 10 μm wide and ∼130 μm in diameter embedded into a 0.8 μm thick…”
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Infrared Reflectometry For Metrology Of Trenches In Power Devices by Duran, C.A., Maznev, A.A., Merklin, G.T., Mazurenko, A., Gostein, M.

“…We present examples of the application of Model- Based Infrared Reflectometry (MBIR) to metrology of trench-based power devices at different stages in the…”
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