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17 papers · 1 filter
Pnictogens Allotropy and Phase Transformation during van der Waals Growth
Matthieu Fortin-Deschênes, Hannes Zschiesche, Tevfik O. Menteş +13
Pnictogens have multiple allotropic forms resulting from their ns2 np3 valence electronic configuration, making them the only elemental materials to crystallize in layered van der…
Three interaction energy scales in single-layer high-T cuprate HgBaCuO
S. A. Sreedhar, Antonio Rossi, J. Nayak +10
The lamellar cuprate superconductors exhibit the highest ambient-pressure superconducting transition temperatures (T) and, after more than three decades of extraordinary resear…
Sub-Nanosecond Spin-Transfer Torque in an Ensemble of Superparamagnetic-Like Nanomagnets
Satoru Emori, Christoph Klewe, Jan-Michael Schmalhorst +14
Spin currents can exert spin-transfer torques on magnetic systems even in the limit of vanishingly small net magnetization, as is the case for antiferromagnets. Here, we experiment…
Cation- and lattice-site-selective magnetic depth profiles of ultrathin (001) films
Tobias Pohlmann, Timo Kuschel, Jari Rodewald +7
A detailed understanding of ultrathin film surface properties is crucial for the proper interpretation of spectroscopic, catalytic and spin-transport data. We present x-ray magneti…
Nanosecond dynamics in intrinsic topological insulator revealed by time-resolved optical reflectivity
Adam L. Gross, Yasen Hou, Antonio Rossi +2
is an ideal three-dimensional topological insulator in which the chemical potential can be brought into the bulk band gap with antimony doping. Here, we ut…
Sparse Matrix-Based HPC Tomography
Stefano Marchesini, Anuradha Trivedi, Pablo Enfedaque +2
Tomographic imaging has benefited from advances in X-ray sources, detectors and optics to enable novel observations in science, engineering and medicine. These advances have come w…