Search Results - "Sciaini, Germán"

Formation of Warm Dense Matter: Experimental Evidence for Electronic Bond Hardening in Gold by Ernstorfer, Ralph, Harb, Maher, Hebeisen, Christoph T, Sciaini, Germán, Dartigalongue, Thibault, Miller, R.J. Dwayne

“…Under strong optical excitation conditions, it is possible to create highly nonequilibrium states of matter. The nuclear response is determined by the rate of…”
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Snapshots of cooperative atomic motions in the optical suppression of charge density waves by Demsar, Jure, Miller, R. J. Dwayne, Eichberger, Maximilian, Schäfer, Hanjo, Krumova, Marina, Beyer, Markus, Berger, Helmuth, Moriena, Gustavo, Sciaini, Germán

“…Macroscopic quantum phenomena such as high-temperature superconductivity, colossal magnetoresistance, ferrimagnetism and ferromagnetism arise from a delicate…”
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Recent Advances in Ultrafast Structural Techniques by Sciaini, Germán

“…A review that summarizes the most recent technological developments in the field of ultrafast structural dynamics with focus on the use of ultrashort X-ray and…”
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Photoinduced interlayer dynamics in Td-MoTe2: A broadband pump-probe study by Cheng, Meixin, Zhong, Shazhou, Rivas, Nicolas, Dekker, Tina, Petruk, Ariel Alcides, Gicala, Patrick, Pichugin, Kostyantyn, Chen, Fangchu, Luo, Xuan, Sun, Yuping, Tsen, Adam W., Sciaini, Germán

“…We report on time-resolved broadband transient reflectivity (tr-bb-TR) measurements performed on a bulk single crystal of Td-MoTe2 as a function of the…”
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Mapping molecular motions leading to charge delocalization with ultrabright electrons by Gao, Meng, Lu, Cheng, Jean-Ruel, Hubert, Liu, Lai Chung, Marx, Alexander, Onda, Ken, Koshihara, Shin-ya, Nakano, Yoshiaki, Shao, Xiangfeng, Hiramatsu, Takaaki, Saito, Gunzi, Yamochi, Hideki, Cooney, Ryan R., Moriena, Gustavo, Sciaini, Germán, Miller, R. J. Dwayne

“…An ultrabright femtosecond electron source is used to monitor the molecular motions in the organic salt (EDO-TTF) 2 PF 6 as it undergoes its photo-induced…”
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Electronic acceleration of atomic motions and disordering in bismuth by Harb, Maher, Sciaini, Germán, Hoegen, Michael Horn-von, Hebeisen, Christoph T, Kruglik, Sergei G, Yamaguchi, Mariko, Ernstorfer, Ralph, Payer, Thomas, Heringdorf, Frank-J. Meyer zu, Miller, R. J. Dwayne

“…The development of X-ray and electron diffraction methods with ultrahigh time resolution has made it possible to map directly, at the atomic level, structural…”
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Trapping a Photoelectron behind a Repulsive Coulomb Barrier in Solution by Cheng, Meixin, Rivas, Nicolás, Lim, Su Ji, Pichugin, Kostyantyn, Petruk, Ariel A, Klinkova, Anna, Smith, Rodney, Hopkins, W. Scott, Sciaini, Germán

“…Multiply charged anions (MCAs) display unique photophysics and solvent-stabilizing effects. Well-known aqueous species such as SO4 2– and PO4 3– experience…”
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Generation and detection of coherent longitudinal acoustic waves in ultrathin 1T’-MoTe2 by Rivas, Nicolas, Zhong, Shazhou, Dekker, Tina, Cheng, Meixin, Gicala, Patrick, Chen, Fangchu, Luo, Xuan, Sun, Yuping, Petruk, Ariel A., Pichugin, Kostyantyn, Tsen, Adam W., Sciaini, Germán

“…Layered transition metal dichalcogenides have attracted substantial attention owing to their versatile functionalities and compatibility with current…”
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Electronically driven structure changes of Si captured by femtosecond electron diffraction by Harb, Maher, Ernstorfer, Ralph, Hebeisen, Christoph T, Sciaini, Germán, Peng, Weina, Dartigalongue, Thibault, Eriksson, Mark A, Lagally, Max G, Kruglik, Sergei G, Miller, R J Dwayne

“…The excitation of a high density of carriers in semiconductors can induce an order-to-disorder phase transition due to changes in the potential-energy…”
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High-Performance Mid-IR to Deep-UV van der Waals Photodetectors Capable of Local Spectroscopy at Room Temperature by Shen, Daozhi, Yang, HeeBong, Spudat, Christian, Patel, Tarun, Zhong, Shazhou, Chen, Fangchu, Yan, Jian, Luo, Xuan, Cheng, Meixin, Sciaini, Germán, Sun, Yuping, Rhodes, Daniel A, Timusk, Thomas, Zhou, Y. Norman, Kim, Na Young, Tsen, Adam W

“…The ability to perform broadband optical spectroscopy with subdiffraction-limit resolution is highly sought-after for a wide range of critical applications…”
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Shaped cathodes for the production of ultra-short multi-electron pulses by Petruk, Ariel Alcides, Pichugin, Kostyantyn, Sciaini, Germán

“…An electrostatic electron source design capable of producing sub-20 femtoseconds (rms) multi-electron pulses is presented. The photoelectron gun concept builds…”
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Cold ablation driven by localized forces in alkali halides by Hada, Masaki, Zhang, Dongfang, Pichugin, Kostyantyn, Hirscht, Julian, Kochman, Michał A., Hayes, Stuart A., Manz, Stephanie, Gengler, Regis Y.N., Wann, Derek A., Seki, Toshio, Moriena, Gustavo, Morrison, Carole A., Matsuo, Jiro, Sciaini, Germán, Miller, R.J. Dwayne

“…Laser ablation has been widely used for a variety of applications. Since the mechanisms for ablation are strongly dependent on the photoexcitation level, so…”
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Is Ammonia a Better Solvent Than Water for Contact Ion Pairs? by Sciaini, Germán, Marceca, Ernesto, Fernández-Prini, Roberto

“…The existence of a charge-transfer-to-solvent process when a KI contact ion pair (CIP) dissolved in supercritical water (SCW) is excited by UV light was…”
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Cold ablation driven by localized forces in alkali halides by Hada, Masaki, Zhang, Dongfang, Pichugin, Kostyantyn, Hirscht, Julian, Kochman, Michał A., Hayes, Stuart A., Manz, Stephanie, Gengler, Regis Y.N., Wann, Derek A., Seki, Toshio, Moriena, Gustavo, Morrison, Carole A., Matsuo, Jiro, Sciaini, Germán, Miller, R.J. Dwayne

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Excitation of longitudinal and transverse coherent acoustic phonons in nanometer free-standing films of (001) Si by Harb, Maher, Peng, Weina, Sciaini, Germán, Hebeisen, Christoph T., Ernstorfer, Ralph, Eriksson, Mark A., Lagally, Max G., Kruglik, Sergei G., Miller, R. J. Dwayne

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Development of the charge-transfer-to-solvent process with increasing solvent fluid density: the effect of ion pairing by Sciaini, Germán, Marceca, Ernesto, Fernández-Prini, Roberto

“…The study of the UV spectroscopic behaviour of alkali metal iodides dissolved in supercritical ammonia showed that two absorbing species contributed to the UV…”
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Solvent Triggered Change of the Electron Excitation Route of KI in Supercritical NH3 by Sciaini, Germán, Marceca, Ernesto, Fernández-Prini, Roberto

“…The UV-spectroscopic behavior of KI contact ion pairs (CIPs) dissolved in supercritical NH3 was studied combining classical molecular dynamics simulations with…”
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Time-resolved broadband impulsive stimulated Brillouin scattering in single crystal hematite by Gicala, Patrick, Cheng, Meixin, Lott, Tyler S., Du, Kai, Cheong, Sang-Wook, Petruk, Ariel A., Pichugin, Kostyantyn, Sciaini, German

“…Impulsive stimulated Brillouin scattering (ISBS) has emerged as a noninvasive means to determine the elastic properties of transparent materials. Here, we…”
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Full characterization of RF compressed femtosecond electron pulses using ponderomotive scattering by Gao, Meng, Jean-Ruel, Hubert, Cooney, Ryan R, Stampe, Jonathan, de Jong, Mark, Harb, Maher, Sciaini, German, Moriena, Gustavo, Dwayne Miller, R J

“…High bunch charge, femtosecond, electron pulses were generated using a 95 kV electron gun with an S-band RF rebunching cavity. Laser ponderomotive scattering…”
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Direct visualization of charge distributions during femtosecond laser ablation of a Si (100) surface by Hebeisen, Christoph T., Sciaini, Germán, Harb, Maher, Ernstorfer, Ralph, Kruglik, Sergei G., Miller, R. J. Dwayne

“…We directly observe the charge distributions and resulting electric fields present during the earliest stages of laser ablation of a Si (100) surface by using…”
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