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Related papers: Spin Accumulation based deep MOKE Microscopy

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Previous studies on the anomalous Hall effect in coplanar non-collinear antiferromagnets are revisited and extended to magneto-optic properties, namely magneto-optic Kerr effect (MOKE) and X-ray magnetic dichroism (XMCD). Starting from…

Materials Science · Physics 2020-01-01 Sebastian Wimmer , Sergiy Mankovsky , Ján Minár , Alexander N. Yaresko , Hubert Ebert

Optical pump-probe techniques are used to generate and measure electron spin polarization in a gallium arsenide epilayer in which the electron spin coherence time exceeds the mode-locked laser repetition period. Resonant spin amplification…

Mesoscale and Nanoscale Physics · Physics 2020-09-14 Michael Macmahon , Joseph R. Iafrate , Michael J. Dominguez , Vanessa Sih

Spin waves, the fundamental excitations in magnetic materials, are promising candidates for realizing low-dissipation information processing in spintronics. The ability to visualize and manipulate coherent spin-wave transport is crucial for…

Mesoscale and Nanoscale Physics · Physics 2024-05-06 Carolina Lüthi , Lukas Colombo , Franz Vilsmeier , Christian Back

Here we report a custom design setup for the simultaneous measurement of magneto-resistance and MOKE imaging in longitudinal configuration for characterization of magnetic thin-films and sensors. The setup is designed so as to cope with a…

Materials science has been intensively developed during the last 30 years. This is due, on the one hand, to an increasing demand of new materials for new applications and, on the other hand, to technological progress which allows for the…

Statistical Mechanics · Physics 2016-04-25 H. T. Diep

Considerable research interest has been attracted to noncollinear magnetic structures for their intriguing physics and promising applications. In this work, based on relativistic density functional theory, we reveal the interesting magnetic…

Materials Science · Physics 2022-11-14 Na Wang , Jun Chen , Ning Ding , Huimin Zhang , Shuai Dong , Shan-Shan Wang

Optically detected magnetic resonance (ODMR) provides ultrasensitive means to detect and image a small number of electron and nuclear spins, down to the single spin level with nanoscale resolution. Despite the significant recent progress in…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Aharon Blank , Guy Shapiro , Ran Fischer , Paz London , David Gershoni

We report measurements of the polar Kerr effect, proportional to the out-of-plane component of the magnetization, in thin films of the magnetically doped topological insulator…

We have measured the magneto-optical Kerr effect (MOKE) in an orthorhombic organic antiferromagnet $\kappa$-(BEDT-TTF)$_2$Cu[N(CN)$_2$]Cl, which is a candidate for an altermagnet. From the Maxwell equations, we derived matrix-type general…

Magnetic monopoles, elusive in high-energy physics, have been realised as emergent quasiparticles in solid-state systems, where their unique properties hold promise for novel spintronic applications. Magnetic monopoles have been invoked in…

We performed a series of dynamic hysteresis measurements on three series of Finemet films with composition Fe$_{73.5}$Cu$_1$Nb$_3$Si$_13.5$B$_9$, using both the longitudinal magneto-optical Kerr effect (MOKE) and the inductive fluxometric…

Materials Science · Physics 2015-06-25 L. Santi , R. L. Sommer , A. Magni , G. Durin , F. Colaiori , S. Zapperi

Scanning electron microscopy with polarization analysis is a powerful lab-based magnetic imaging technique offering parallel imaging of multiple magnetization components and a very high spatial resolution. However, one drawback of the…

Instrumentation and Detectors · Physics 2018-08-22 Daniel Schönke , Andreas Oelsner , Pascal Krautscheid , Robert M. Reeve , Mathias Kläui

We propose a computationally efficient atom-superposition-based method for simulating spin-polarized scanning tunneling spectroscopy (SP-STS) on complex magnetic surfaces based on the sample and tip electronic structures obtained from first…

Materials Science · Physics 2012-05-17 Krisztián Palotás , Werner A. Hofer , László Szunyogh

When a light beam is strongly laterally confined, its field vector spins in a plane not perpendicular to the propagation direction, leading to the presence of transverse spin angular momentum, which plays a crucial role in the field of…

Optics · Physics 2022-06-29 Jinhong Liu , Jinze Wu

The nonlinear Zeeman effect can induce splittings and asymmetries of magnetic-resonance lines in the geophysical magnetic-field range. We demonstrate a scheme to suppress the nonlinear Zeeman effect all optically based on spin locking. Spin…

Spin-momentum locking in protected surface states enables efficient electrical detection of magnon decay at a magnetic-insulator/topological-insulator heterojunction. Here we demonstrate this property using the spin Seebeck effect, i.e.…

A new technique for contrast separation in wide-field magneto-optical Kerr microscopy is introduced. Utilizing the light from eight light emitting diodes, guided to the microscope by glass fibers and being switched synchronously with the…

Instrumentation and Detectors · Physics 2017-08-02 Ivan Soldatov , Rudolf Schäfer

Momentum microscopy (MM) is a novel way of performing angular-resolved photoelectron spectroscopy (ARPES). Combined with time-of-flight (ToF) energy recording, its high degree of parallelization is advantageous for photon-hungry experiments…

Materials Science · Physics 2024-06-19 Gerd Schönhense , Hans-Joachim Elmers

We summarize our new scanning magnetic 3-D imaging system. This scanning system uses optically detected magnetic resonance in a single nitrogen vacancy center in a diamond nanocrystal. The theoretical analysis and the first experimental…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Gennady P. Berman , Boris M. Chernobrod

The Radiance Enhancement (RE) method was introduced for efficient detection of clouds from the space. Recently, we have also reported that due to high reflectance of combustion-originated smokes, this approach can also be generalized for…

Atmospheric and Oceanic Physics · Physics 2022-10-13 Rajinder K. Jagpal , Rehan Siddiqui , Sanjar M. Abrarov , Brendan M. Quine