Search Results - "Walowski, Jakob"

Comparative analysis of THz signal emission from bilayer heterostructures: Wideband and high-frequency THz signal advantage of PtBi-based emitter by Winkel, Tristan Joachim, Parvini, Tahereh Sadat, Stiewe, Finn-Frederik, Walowski, Jakob, Moradi, Farshad, Münzenberg, Markus

“…Spintronic THz emitters have attracted much attention due to their desirable properties, such as affordability, ultra-wideband capability, high efficiency, and…”
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Spintronic emitters for super-resolution in THz-spectral imaging by Stiewe, Finn-Frederik, Winkel, Tristan, Sasaki, Yuta, Tubandt, Tobias, Kleinke, Tobias, Denker, Christian, Martens, Ulrike, Meyer, Nina, Parvini, Tahereh Sadat, Mizukami, Shigemi, Walowski, Jakob, Münzenberg, Markus

“…We investigate local THz field generation using spintronic THz emitters to enhance the resolution for micrometer-sized imaging. Far-field imaging with…”
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Shaping the spin wave spectra of planar 1D magnonic crystals by the geometrical constraints by Rychły-Gruszecka, Justyna, Walowski, Jakob, Denker, Christian, Tubandt, Tobias, Münzenberg, Markus, Kłos, Jarosław W.

“…We present experimental and numerical studies demonstrating the influence of geometrical parameters on the fundamental spin-wave mode in planar 1D magnonic…”
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Magnetic domain scanning imaging using phase-sensitive THz-pulse detection by Stiewe, Finn-Frederik, Winkel, Tristan, Kleinke, Tobias, Tubandt, Tobias, Heyen, Hauke, Vollroth, Lucas, Martens, Ulrike, Müller, Cai, McCord, Jeffrey, Walowski, Jakob, Münzenberg, Markus

“…In our study, we determine the alignment of magnetic domains in a CoFeB layer using THz radiation. We generate THz pulses by fs laser pulses in magnetized…”
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Spin polarization in half-metals probed by femtosecond spin excitation by Münzenberg, Markus, Müller, Georg M, Walowski, Jakob, Djordjevic, Marija, Miao, Gou-Xing, Gupta, Arunava, Ramos, Ana V, Gehrke, Kai, Moshnyaga, Vasily, Samwer, Konrad, Schmalhorst, Jan, Thomas, Andy, Hütten, Andreas, Reiss, Günter, Moodera, Jagadeesh S

“…Knowledge of the spin polarization is of fundamental importance for the use of a material in spintronics applications. Here, we used femtosecond optical…”
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Efficiency of ultrafast optically induced spin transfer in Heusler compounds by Steil, Daniel, Walowski, Jakob, Gerhard, Felicitas, Kiessling, Tobias, Ebke, Daniel, Thomas, Andy, Kubota, Takahide, Oogane, Mikihiko, Ando, Yasuo, Otto, Johannes, Mann, Andreas, Hofherr, Moritz, Elliott, Peter, Dewhurst, John Kay, Reiss, Günter, Molenkamp, Laurens, Aeschlimann, Martin, Cinchetti, Mirko, Münzenberg, Markus, Sharma, Sangeeta, Mathias, Stefan

“…Optically induced spin transfer (OISTR) is a pathway to control magnetization dynamics in complex materials on femto- to attosecond timescales. The direct…”
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Insights into Ultrafast Demagnetization in Pseudogap Half-Metals by Mann, Andreas, Walowski, Jakob, Münzenberg, Markus, Maat, Stefan, Carey, Matthew J., Childress, Jeffrey R., Mewes, Claudia, Ebke, Daniel, Drewello, Volker, Reiss, Günter, Thomas, Andy

“…Interest in femtosecond demagnetization dynamics was sparked by Bigot’s experiment in 1996, which unveiled the elementary mechanisms that relate the electrons’…”
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Anomalous Nernst effect and three-dimensional temperature gradients in magnetic tunnel junctions by Martens, Ulrike, Huebner, Torsten, Ulrichs, Henning, Reimer, Oliver, Kuschel, Timo, Tamming, Ronnie R., Chang, Chia-Lin, Tobey, Raanan I., Thomas, Andy, Münzenberg, Markus, Walowski, Jakob

“…Localized laser heating creates temperature gradients in all directions leading to three-dimensional electron flux in metallic materials. Temperature gradients…”
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Magnetization Dynamics in CoFeB Buffered Perpendicularly Magnetized Co/Pd Multilayer by Sajitha, E. P., Walowski, Jakob, Watanabe, D., Mizukami, S., Wu, Feng, Naganuma, Hiroshi, Oogane, Mikihito, Ando, Yasuo, Miyazaki, T.

“…The magnetic properties of CoFeB buffered [Co(0.3 nm)Pd(x nm)] 6 multilayer films have been investigated. It is found that the magnetic properties of the…”
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Light-wave dynamic control of magnetism by Siegrist, Florian, Gessner, Julia A., Ossiander, Marcus, Denker, Christian, Chang, Yi-Ping, Schröder, Malte C., Guggenmos, Alexander, Cui, Yang, Walowski, Jakob, Martens, Ulrike, Dewhurst, J. K., Kleineberg, Ulf, Münzenberg, Markus, Sharma, Sangeeta, Schultze, Martin

“…The enigmatic interplay between electronic and magnetic phenomena observed in many early experiments and outlined in Maxwell’s equations propelled the…”
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Seebeck effect in magnetic tunnel junctions by Walter, Marvin, Walowski, Jakob, Zbarsky, Vladyslav, Münzenberg, Markus, Schäfers, Markus, Ebke, Daniel, Reiss, Günter, Thomas, Andy, Peretzki, Patrick, Seibt, Michael, Moodera, Jagadeesh S., Czerner, Michael, Bachmann, Michael, Heiliger, Christian

“…The combined magnetic and thermoelectric properties of nanostructures have recently attracted considerable attention. It is now demonstrated that the Seebeck…”
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Multifunctional gold nanorods for selective plasmonic photothermal therapy in pancreatic cancer cells using ultra-short pulse near-infrared laser irradiation by Patino, Tania, Mahajan, Ujjwal, Palankar, Raghavendra, Medvedev, Nikolay, Walowski, Jakob, Münzenberg, Markus, Mayerle, Julia, Delcea, Mihaela

“…Gold nanorods (AuNRs) have attracted considerable attention in plasmonic photothermal therapy for cancer treatment by exploiting their selective and localized…”
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Coupling Broadband Terahertz Dipoles to Microscale Resonators by Rathje, Christopher, von Seggern, Rieke, Gräper, Leon A., Kredl, Jana, Walowski, Jakob, Münzenberg, Markus, Schäfer, Sascha

“…Optically driven spintronic emitters are a unique class of terahertz (THz) sources due to their quasi-two-dimensional geometry and thereby their capability to…”
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Spin-Current Manipulation of Photo-Induced Magnetization Dynamics in Heavy Metal/Ferromagnet Double Layer-Based Nanostructures by Wittrock, Steffen, Meyer, Dennis, Muller, Markus, Ulrichs, Henning, Walowski, Jakob, Mansurova, Maria, Martens, Ulrike, Munzenberg, Markus

“…Spin currents offer a way to control static and dynamic magnetic properties, and therefore, they are crucial for the nextgeneration magnetoresistive random…”
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Comparative Analysis of THz Signal Emission from SiO$_2$/CoFeB/Metal Heterostructures: Wideband and High-Frequency THz Signal Advantage of PtBi-based Emitter by Winkel, Tristan Joachim, Parvini, Tahereh Sadat, Stiewe, Finn-Frederik, Walowski, Jakob, Moradi, Farshad, Münzenberg, Markus

“…Spintronic THz emitters have attracted much attention due to their desirable properties, such as affordability, ultra-wideband capability, high efficiency, and…”
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Coupling broadband terahertz dipoles to microscale resonators by Rathje, Christopher, von Seggern, Rieke, Gräper, Leon A, Kredl, Jana, Walowski, Jakob, Münzenberg, Markus, Schäfer, Sascha

“…Spintronic emitters are a unique class of terahertz (THz) sources due to their quasi-two-dimensional geometry and thereby their capability to couple to…”
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The impact of metallic contacts on spin-polarized photocurrents in topological insulator $\text{Bi}_2\text{Se}_3$ nanowires by Meyer, Nina, Geishendorf, Kevin, Walowski, Jakob, Thomas, Andy, Münzenberg, Markus

“…Appl. Phys. Lett. 117, 262401 (2020) Recently, a new quantum phase, the topological insulator, has been vividly investigated in a variety of materials. Its…”
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Identification and characterization of various plastics using THz-spectroscopy by Kleinke, Tobias, Stiewe, Finn-Frederik, Winkel, Tristan, Geist, Norman, Martens, Ulrike, Delcea, Mihaela, Walowski, Jakob, Münzenberg, Markus

“…THz spectroscopy has reached imaging capability with a spatial resolution of a few micrometres. This property enables measurements and imaging of biological…”
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Enhancing Spin Transfer Torque in Magnetic Tunnel Junction Devices: Exploring the Influence of Capping Layer Materials and Thickness on Device Characteristics by Parvini, Tahereh Sadat, Paz, Elvira, Böhnert, Tim, Schulman, Alejandro, Benetti, Luana, Oberbauer, Felix, Walowski, Jakob, Moradi, Farshad, Ferreira, Ricardo, Münzenberg, Markus

“…We have developed and optimized two categories of spin transfer torque magnetic tunnel junctions (STT-MTJs) that exhibit a high tunnel magnetoresistance (TMR)…”
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Magnetic domain scanning imaging using phase-sensitive THz-pulse detection by Stiewe, Finn-Frederik, Winkel, Tristan, Kleinke, Tobias, Tubandt, Tobias, Heyen, Hauke, Vollroth, Lucas, Martens, Ulrike, Müller, Cai, McCord, Jeffrey, Walowski, Jakob, Münzenberg, Markus

“…In our study, we determine the alignment of magnetic domains in a CoFeB layer using THz radiation. We generate THz-pulses by fs-laser-pulses in magnetized…”
Get full text