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Showing 1 to 12 of 127 entries
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Pipeline interleaved programmable DSP's: Architecture

pipeline programs

Lee E, Messerschmitt D.
GSID: XA-9xFqumkoJ
E Lee, D Messerschmitt - IEEE Transactions on Acoustics …, 1987 - ieeexplore.ieee.org

… the concurrency; and verylow-overhead implementation of such programs on a pipeline interleaved processor is possible. The combination of … To mitigate the problems associated with deep pipelining, we propose interleaving multiple programs in a single pipeline. Pipeline …

Engineering an Education for the Future

engineering education

Lee EA, Messerschmitt DG.
GSID: cu_DAlSLy-gJ
EA Lee, DG Messerschmitt - Computer, 1998 - ieeexplore.ieee.org

… These changes will have a profound effect on ECE education. In this article, we describe some changes in the practice of engineering and … It is difficult to draw generalizations in this area, but we believe that education...

Pipeline interleaved programmable dsp's: Synchronous data flow programming

pipeline programs

Lee E, Messerschmitt D.
GSID: _g-okbFc7jQJ
E Lee, D Messerschmitt - IEEE Transactions on acoustics …, 1987 - ieeexplore.ieee.org

In the companion paper [1], a programmable architecture for digital signal processing is proposed that requires the partitioning of a signal processing task into multiple programs …

The elusive role of Nb.

Journal of physics. Condensed matter : an Institute of Physics journal

Guilbert L, Vittadello L, Bazzan M, Mhaouech I, Messerschmidt S, Imlau M.
PMID: 29474187
J Phys Condens Matter. 2018 Mar 28;30(12):125701. doi: 10.1088/1361-648X/aaad34.

Charge transport due to small polarons hopping among defective (bound polarons) and regular (free polarons) sites is shown to depend in a non-trivial way on the value of the stabilization energy provided by the lattice distortion surrounding the charge...

Transient lattice contraction in the solid-to-plasma transition.

Science advances

Ferguson KR, Bucher M, Gorkhover T, Boutet S, Fukuzawa H, Koglin JE, Kumagai Y, Lutman A, Marinelli A, Messerschmidt M, Nagaya K, Turner J, Ueda K, Williams GJ, Bucksbaum PH, Bostedt C.
PMID: 27152323
Sci Adv. 2016 Jan 29;2(1):e1500837. doi: 10.1126/sciadv.1500837. eCollection 2016 Jan.

In condensed matter systems, strong optical excitations can induce phonon-driven processes that alter their mechanical properties. We report on a new phenomenon where a massive electronic excitation induces a collective change in the bond character that leads to transient...

Performance of a beam-multiplexing diamond crystal monochromator at the Linac Coherent Light Source.

The Review of scientific instruments

Zhu D, Feng Y, Stoupin S, Terentyev SA, Lemke HT, Fritz DM, Chollet M, Glownia JM, Alonso-Mori R, Sikorski M, Song S, van Driel TB, Williams GJ, Messerschmidt M, Boutet S, Blank VD, Shvyd'ko YV, Robert A.
PMID: 24985798
Rev Sci Instrum. 2014 Jun;85(6):063106. doi: 10.1063/1.4880724.

A double-crystal diamond monochromator was recently implemented at the Linac Coherent Light Source. It enables splitting pulses generated by the free electron laser in the hard x-ray regime and thus allows the simultaneous operations of two instruments. Both monochromator...

Spectral encoding method for measuring the relative arrival time between x-ray/optical pulses.

The Review of scientific instruments

Bionta MR, Hartmann N, Weaver M, French D, Nicholson DJ, Cryan JP, Glownia JM, Baker K, Bostedt C, Chollet M, Ding Y, Fritz DM, Fry AR, Kane DJ, Krzywinski J, Lemke HT, Messerschmidt M, Schorb S, Zhu D, White WE, Coffee RN.
PMID: 25173255
Rev Sci Instrum. 2014 Aug;85(8):083116. doi: 10.1063/1.4893657.

The advent of few femtosecond x-ray light sources brings promise of x-ray/optical pump-probe experiments that can measure chemical and structural changes in the 10-100 fs time regime. Widely distributed timing systems used at x-ray Free-Electron Laser facilities are typically...

Uncovering Two Competing Switching Mechanisms for Epitaxial and Ultrathin Strontium Titanate-Based Resistive Switching Bits.

ACS nano

Kubicek M, Schmitt R, Messerschmitt F, Rupp JL.
PMID: 26448096
ACS Nano. 2015 Nov 24;9(11):10737-48. doi: 10.1021/acsnano.5b02752. Epub 2015 Oct 16.

Resistive switches based on anionic electronic conducting oxides are promising devices to replace transistor-based memories due to their excellent scalability and low power consumption. In this study, we create a model switching system by manufacturing resistive switches based on...

Ligand-unsupported Au(I) chains with short Au(I)...Au(I) contacts.

Chemical communications (Cambridge, England)

Zheng SL, Nygren CL, Messerschmidt M, Coppens P.
PMID: 17047820
Chem Commun (Camb). 2006 Sep 21;(35):3711-3. doi: 10.1039/b606999a. Epub 2006 Jul 31.

A new series of solids with ligand-unsupported Au(I) chains with short Au...Au contacts were synthesized; as Ag compounds with the same structure are known, the new phases now allow unbiased comparison of Ag...Ag and Au...Au metallophilic bonds not supported...

Refractive-index measurement of gradient-index microlenses by diffraction tomography.

Applied optics

Singer W, Dobler B, Schreiber H, Brenner KH, Messerschmidt B.
PMID: 21085345
Appl Opt. 1996 May 01;35(13):2167-71. doi: 10.1364/AO.35.002167.

Diffraction tomography is applied to reconstruction of the gradient-index distribution of planar gradient-index microlenses, fabricated by thermal ion exchange. Measurements of the single-phase projections are performed by phase-shifting interferometry For reconstruction, the Rytov approximation for smooth inhomogeneities is applied....

Linac Coherent Light Source soft x-ray materials science instrument optical design and monochromator commissioning.

The Review of scientific instruments

Heimann P, Krupin O, Schlotter WF, Turner J, Krzywinski J, Sorgenfrei F, Messerschmidt M, Bernstein D, Chalupský J, Hájková V, Hau-Riege S, Holmes M, Juha L, Kelez N, Lüning J, Nordlund D, Perea MF, Scherz A, Soufli R, Wurth W, Rowen M.
PMID: 21974570
Rev Sci Instrum. 2011 Sep;82(9):093104. doi: 10.1063/1.3633947.

We present the x-ray optical design of the soft x-ray materials science instrument at the Linac Coherent Light Source, consisting of a varied line-spaced grating monochromator and Kirkpatrick-Baez refocusing optics. Results from the commissioning of the monochromator are shown....

Femtosecond single-shot imaging of nanoscale ferromagnetic order in Co/Pd multilayers using resonant x-ray holography.

Physical review letters

Wang T, Zhu D, Wu B, Graves C, Schaffert S, Rander T, Müller L, Vodungbo B, Baumier C, Bernstein DP, Bräuer B, Cros V, de Jong S, Delaunay R, Fognini A, Kukreja R, Lee S, López-Flores V, Mohanty J, Pfau B, Popescu H, Sacchi M, Sardinha AB, Sirotti F, Zeitoun P, Messerschmidt M, Turner JJ, Schlotter WF, Hellwig O, Mattana R, Jaouen N, Fortuna F, Acremann Y, Gutt C, Dürr HA, Beaurepaire E, Boeglin C, Eisebitt S, Grübel G, Lüning J, Stöhr J, Scherz AO.
PMID: 23005013
Phys Rev Lett. 2012 Jun 29;108(26):267403. doi: 10.1103/PhysRevLett.108.267403. Epub 2012 Jun 27.

We present the first single-shot images of ferromagnetic, nanoscale spin order taken with femtosecond x-ray pulses. X-ray-induced electron and spin dynamics can be outrun with pulses shorter than 80 fs in the investigated fluence regime, and no permanent aftereffects...

Showing 1 to 12 of 127 entries