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- Lawrence Berkeley National LaboratoryUS456 papers
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53 papers · 1 filter
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…
Momentum-resolved view of highly tunable many-body effects in a graphene/hBN field-effect device
Ryan Muzzio, Alfred J. H. Jones, Davide Curcio +12
Integrating the carrier tunability of a functional two-dimensional material electronic device with a direct probe of energy- and momentum-resolved electronic excitations is essenti…
Coherent transfer of spin angular momentum by evanescent spin waves within antiferromagnetic NiO
Maciej Dabrowski, Takafumi Nakano, David M. Burn +11
Insulating antiferromagnets are efficient and robust conductors of spin current. To realise the full potential of these materials within spintronics, the outstanding challenges are…
Visualization of the flat electronic band in twisted bilayer graphene near the magic angle twist
M. Iqbal Bakti Utama, Roland J. Koch, Kyunghoon Lee +15
Bilayer graphene was theorized to host a moire miniband with flat dispersion if the layers are stacked at specific twist angles known as the magic angles. Recently, such twisted bi…