Search Results - "ENG, L. M"

Néel-type skyrmion lattice with confined orientation in the polar magnetic semiconductor GaV4S8 by Kézsmárki, I., Bordács, S., Milde, P., Neuber, E., Eng, L. M., White, J. S., Rønnow, H. M., Dewhurst, C. D., Mochizuki, M., Yanai, K., Nakamura, H., Ehlers, D., Tsurkan, V., Loidl, A.

“…Following the early prediction of the skyrmion lattice (SkL)—a periodic array of spin vortices—it has been observed recently in various magnetic crystals…”
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Unwinding of a Skyrmion Lattice by Magnetic Monopoles by Milde, P., Köhler, D., Seidel, J., Eng, L. M., Bauer, A., Chacon, A., Kindervater, J., Mühlbauer, S., Pfleiderer, C., Buhrandt, S., Schütte, C., Rosch, A.

“…Skyrmion crystals are regular arrangements of magnetic whirls that exist in a wide range of chiral magnets. Because of their topology, they cannot be created…”
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Multidomain Skyrmion Lattice State in Cu2OSeO3 by Zhang, S. L, Bauer, A, Burn, D. M, Milde, P, Neuber, E, Eng, L. M, Berger, H, Pfleiderer, C, van der Laan, G, Hesjedal, T

“…Magnetic skyrmions in chiral magnets are nanoscale, topologically protected magnetization swirls that are promising candidates for spintronics memory carriers…”
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Unidirectional ray polaritons in twisted asymmetric stacks by Álvarez-Cuervo, J., Obst, M., Dixit, S., Carini, G., F. Tresguerres-Mata, A. I., Lanza, C., Terán-García, E., Álvarez-Pérez, G., Álvarez-Tomillo, L. F., Diaz-Granados, K., Kowalski, R., Senerath, A. S., Mueller, N. S., Herrer, L., De Teresa, J. M., Wasserroth, S., Klopf, J. M., Beechem, T., Wolf, M., Eng, L. M., Folland, T. G., Tarazaga Martín-Luengo, A., Martín-Sánchez, J., Kehr, S. C., Nikitin, A. Y., Caldwell, J. D., Alonso-González, P., Paarmann, A.

“…The vast repository of van der Waals (vdW) materials supporting polaritons offers numerous possibilities to tailor electromagnetic waves at the nanoscale. The…”
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Terahertz signatures of ultrafast Dirac fermion relaxation at the surface of topological insulators by Kovalev, S., Tielrooij, K.-J., Deinert, J.-C., Ilyakov, I., Awari, N., Chen, M., Ponomaryov, A., Bawatna, M., de Oliveira, T. V. A. G., Eng, L. M., Kuznetsov, K. A., Safronenkov, D. A., Kitaeva, G. Kh, Kuznetsov, P. I., Hafez, H. A., Turchinovich, D., Gensch, M.

“…Topologically protected surface states present rich physics and promising spintronic, optoelectronic, and photonic applications that require a proper…”
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Anisotropy contrast in phonon-enhanced apertureless near-field microscopy using a free-electron laser by Kehr, S C, Cebula, M, Mieth, O, Härtling, T, Seidel, J, Grafström, S, Eng, L M, Winnerl, S, Stehr, D, Helm, M

“…We demonstrate the imaging of ferroelectric domains in BaTiO3, using an infrared-emitting free-electron laser as a tunable optical source for scattering…”
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Electronic surface properties of SrTiO3 derived from a surface photovoltage study by Beyreuther, E., Becherer, J., Thiessen, A., Grafström, S., Eng, L.M.

“…In the past, surface photovoltage (SPV) analysis has been successfully applied to derive the electronic defect status of a number of wide-bandgap semiconductor…”
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Optically controlled interparticle distance tuning and welding of single gold nanoparticle pairs by photochemical metal deposition by Härtling, T, Alaverdyan, Y, Hille, A, Wenzel, M T, Käll, M, Eng, L M

“…We report on the in-situ controlled tuning of the particle gap in single pairs of gold nanodisks by photochemical metal deposition. The optically induced…”
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Optical three-dimensional profiling of charged domain walls in ferroelectrics by Cherenkov second-harmonic generation by Kämpfe, T., Reichenbach, P., Schröder, M., Haußmann, A., Eng, L. M., Woike, T., Soergel, E.

“…Cherenkov second-harmonic generation (CSHG) is a powerful tool for three-dimensional domain wall profiling in ferroic bulk crystals. Here, we apply this non…”
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Evidence for ferroelastic switching and nanoscopic domains in polycrystalline Si-doped hafnium oxide films by Lederer, M., Mart, C., Kämpfe, T., Lehninger, D., Seidel, K., Czernohorsky, M., Weinreich, W., Volkmann, B., Eng, L. M.

“…The mechanism of nanoscopic domain switching in ferroelectric hafnium oxide and its implications for antiferroelectric-like behavior as well as for the wake-up…”
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Impact of the SiO2 interface layer on the crystallographic texture of ferroelectric hafnium oxide by Lederer, M., Reck, A., Mertens, K., Olivo, R., Bagul, P., Kia, A., Volkmann, B., Kämpfe, T., Seidel, K., Eng, L. M.

“…Applying transmission Kikuchi diffraction (TKD) allows us to fundamentally investigate the Si-doped-hafnium-oxide (HSO) microstructure that results from the…”
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Scattering near-field optical microscopy of optically anisotropic systems by SCHNEIDER, S. C, GRAFSTRÖM, S, ENG, L. M

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Narrow-band near-field nanoscopy in the spectral range from 1.3 to 8.5 THz by Kuschewski, F., von Ribbeck, H.-G., Döring, J., Winnerl, S., Eng, L. M., Kehr, S. C.

“…Nano-spectroscopy in the terahertz frequency range remains challenging despite recent technological progress in developing both THz emitter sources and…”
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Terahertz-slicing - an all-optical synchronization for 4th generation light sources by Chen, M, de Oliveira, T V A G, Ilyakov, I, Nörenberg, T, Kuschewski, F, Deinert, J-C, Awari, N, Ponomaryov, A, Kuntzsch, M, Kehr, S C, Eng, L M, Gensch, M, Kovalev, S

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Nanoscale reconstruction of surface crystallography from three-dimensional polarization distribution in ferroelectric barium–titanate ceramics by Eng, L. M., Güntherodt, H.-J., Schneider, G. A., Köpke, U., Muñoz Saldaña, J.

“…The three-dimensional orientation of polarization vectors at the surface of ferroelectric barium–titanate (BaTiO3) ceramics is evaluated using…”
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Determination of the nanoscale dielectric properties in ferroelectric lead zirconate titanate (PZT) thin films by Franke, K., Eng, L.M.

“…We report on nanoscale experiments with <100 nm lateral resolution being able to differentiate the effective dielectric polarisation P z , deposited charge…”
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Theory and Experiment of Antiferroelectric (AFE) Si-Doped Hafnium Oxide (HSO) Enhanced Floating-Gate Memory by Ali, T., Polakowski, P., Buttner, T., Kampfe, T., Rudolph, M., Patzold, B., Hoffmann, R., Czernohorsky, M., Kuhnel, K., Steinke, P., Zimmermann, K., Biedermann, K., Eng, L. M., Seidel, K., Muller, J.

“…We report for the first time the integration of silicon-doped hafnium oxide (HSO) antiferroelectric (AFE) material for enhanced floating-gate Flash memory…”
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Photolabile Carboxylic Acid Protected Terpolymers for Surface Patterning. Part 2:  Photocleavage and Film Patterning by Millaruelo, M, Eng, L. M, Mertig, M, Pilch, B, Oertel, U, Opitz, J, Sieczkowska, B, Simon, F, Voit, B

“…The surface properties of films made of p-methoxyphenacyl derivative terpolymers, associated with photocleavage by UV irradiation, and their optical patterning…”
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Stress induced movement of ferroelastic domain walls in BaTiO3 single crystals evaluated by scanning force microscopy by MUNOZ-SALDANA, J, SCHNEIDER, G. A, ENG, L. M

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A Study on the Temperature-Dependent Operation of Fluorite-Structure-Based Ferroelectric HfO2 Memory FeFET: Pyroelectricity and Reliability by Ali, T., Kuhnel, K., Czernohorsky, M., Mart, C., Rudolph, M., Patzold, B., Lehninger, D., Olivo, R., Lederer, M., Muller, F., Hoffmann, R., Metzger, J., Binder, R., Steinke, P., Kampfe, T., Muller, J., Seidel, K., Eng, L. M.

“…We report on the high-temperature operation and reliability of the Si-doped hafnium oxide (HSO) ferroelectric FET (FeFET) emerging memory. In this study, we…”
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