10.1063/1.4991663

2017-07-14

A possibility to excite a stable self-oscillation in a perpendicularly magnetized ferromagnet by the spin Hall effect is investigated theoretically. It had been shown that such self-oscillation cannot be stabilized solely by the direct spin torque by the spin...

10.1063/1.4993426

2017-07-13

Hyperbolic metamaterials (HMMs) are artificially engineered optical media that have been used for light confinement, excited-state decay-rate engineering, and subwavelength imaging, due to their highly anisotropic permittivity and with it the capability of su...

10.1063/1.4993774

2017-07-13

We report on the increased extraction of light emitted by solid-state sources embedded within high refractive index materials. This is achieved by making use of a local lensing effect by sub-micron metallic rings deposited on the sample surface and centered a...

10.1063/1.4993775

2017-07-13

Heat dissipation from hot surfaces through cooling droplets is limited by the Leidenfrost point (LFP), in which an insulating vapor film prevents direct contact between the cooling droplet and the hot surface. A range of approaches have been developed to rais...

10.1063/1.4993757

2017-07-13

In this letter, the efficient generation of tunable optical band gaps with the help of acousto-optic (AO) interactions in the deep subwavelength regime is proposed. The optical system consists of a thin dielectric slab and a metal surface separated by a nanos...

10.1063/1.4993741

2017-07-13

GaN-based micro light-emitting diode (μLED) arrays are very promising devices for display applications. In these arrays, each μLED works as a single pixel of a whole image. The electro-optical performance of these μLEDs is an important subject to study. Here,...

10.1063/1.4990680

2017-07-13

In this study, we demonstrate voltage-driven dynamic magnetization switching for the write error rate (WER) of the order of 10−5. The largest voltage effect on the perpendicular magnetic anisotropy in Ta/(CoxFe100–x)80B20/MgO structure (x = 0, 10, 31, 51) is ...

10.1063/1.4991360

2017-07-13

Recent studies have shown that material structures, which lack structural inversion symmetry and have high spin-orbit coupling can exhibit chiral magnetic textures and skyrmions which could be a key component for next generation storage devices. The Dzyaloshi...

10.1063/1.4993739

2017-07-13

We report on the stabilization of the ferroelectric phase in Hf0.8Zr0.2O2 with a tungsten capping layer. Ferroelectricity is obtained in both metal-insulator-metal (MIM) and metal-insulator-semiconductor (MIS) capacitors with highly-doped Si serving as the bo...

10.1063/1.4993599

2017-07-13

Collapsing and bundling of wet nanostructures can be a desirable or an unwanted phenomenon depending on the target application. We study the effect of the aspect-ratio and solvent surface tension on bundling of Pt-based metallic glass nanowires prepared by th...