Two-dimensional (2D) structures hold promise as advanced lithium-ion battery (LIB) anode materials. Recently synthesized 2D graphullerene faces challenges due to its large electronic insulating band gap. In this study, we construct a quasi-tetragonal graphullerene, C36, denoted GrF-C36, using C36 fullerenes with D6h symmetry the structural unit. First-principles calculations revealed that delocalized pz orbitals lead metallicity, combined intrinsic porosity, resulting in theoretical capacity...

The rice spike, a crucial part of plants, plays vital role in yield estimation, pest detection, and growth stage management cultivation. When using drones to capture photos fields, the high shooting angle wide coverage area can cause spikes appear small captured images angular distortion objects at edges images, resulting significant occlusions dense arrangements spikes. These factors are unique challenges during drone image acquisition that may affect accuracy spike detection. This study...

The local density of states (LDOS), which describes the space-resolved states, has been studied in context exploring topological materials. Here, we report observation fractional mode charge a four-dimensional synthetic acoustic system, is based on coupled cavities. We experimentally measured LDOS boundary and corner this system observed one-half one-quarter charges. In addition, also obtained three-dimensional by simulation one-eighth system. results show that appearance can correspond to...

Ultrafast dynamics of genuine magneto-optical recording across ferrimagnetic compensation points is demonstrated in GdFeCo films using time-resolved polar Kerr spectroscopy combined with a laser-synchronized sinusoidal alternating magnetic field which can reinitialize irreversible initial magnetization state to laser radiating. The external dependence reversal measured and shows that rate accelerates increasing fields. Analysis the Bloch equation linearly dependent on fields within...

A controllable pump-pulse-number magneto-optical Kerr technique combined with an initializing field scanning approach is developed to eliminate and identify memory accumulation effects, respectively, from external history multiple pulse excitations. series of anomalous loops GdFeCo films are measured for different amount pump pulses using this technique, revealing that serious effects exist in continuous-pulse-pumped hysteresis which show illusory information hot coercivity degree...

Abstract Thermally induced magnetization switching (TIMS) relying solely on a single laser without any applied magnetic field is key research direction of current spintronics. Most studies TbFe so far have focused helicity-dependent all-optical (HD-AOS). In this work, we observe the TIMS alloys excited by atomic spin dynamics simulations combined with two-temperature model. The results show that can be found under certain damping conditions. addition, further investigated reasons why energy...

Abstract Ultrafast thermally induced magnetization switching (TIMS) with femtosecond lasers has attracted much attention due to its ability trigger a single on the picosecond time scale. Currently, most of studies TIMS have focused various ferrimagnetic alloys. In this paper, Gd/Fe multilayers in different monolayer ratios is investigated by atomic spin dynamics. The results show that an increase Gd ratio narrows energy density window switching. Further found lower damping decreases laser...

An attractive avenue for a memory device is offered by thermally induced magnetization switching (TIMS), which expected to increase the storage density. As an essential step in TIMS, transient ferromagnetic-like state (TFLS) has attracted much attention. Here, our research analyzes TFLS from perspective of rate based on extensive atomic spin simulations parameter space necessary formation TIMS. The results demonstrate that evolution both Fe and Gd sublattices two peaks at different...

Ultrafast magnetization switching has aroused much interest in recent years. Due to the complicated physical mechanisms, helicity-independent all-optical (HI-AOS) still lacks comprehensive understanding. In this article, we revealed influence of damping on HI-AOS based simulation semiclassical atomic spin dynamics model. The results suggested that smaller not only contributes increase maximum required pulse duration and fluence threshold for but also slows down rate dynamics. Our could...

The uniform bipolar resistive switching effect has been observed in Pt/BiFeO3/LaNi0.95Fe0.05O3/Si structures. use of Fe doped LaNiO3 as electrodes can improve the performance devices, such lower operating voltages and power consumption. Such devices also exhibit stable characteristics with a resistance ratio about 20 retention time 103 s. On basis current–voltage characteristics, dominant conduction mechanisms were inferred to be ohmic low-resistance state Schottky emission high-resistance...

Ultrafast magnetization switching induced by a single femtosecond laser pulse in the absence of an applied magnetic field has attracted extensive attention due to its great potential for low energy and ultrafast storage applications. However, helicity-independent is mainly used Gd-based materials, it now necessary explore possibility further optimization depending on composition damping coefficients. For GdFe alloy with Gd concentration, we modulate constant comparative analysis based atomic...

The measurement of topological insulators is usually achieved by measuring spectra, which inadequate in higher-order because the separation bandgaps may be blurred, such as body boundaries and corner state hybridization, above requires that energy mode must located bulk bandgap to measured. Recent experiments have shown a strong relationship between fractional charge location Wannier center crystal body. quantization originates from filling anomaly, can calculated experimental measurements...

Femtosecond laser ultrafast thermally induced magnetization switching (TIMS) has also attracted much attention due to its ability trigger a single at the picosecond timescale. Current studies have shown that after TIMS excited by pulse, excitation of switch again via does not require equilibrium between subsystems. In this work, main investigation is on various possible cases dynamics in GdFeCo under two short-delayed pulse excitations, as well factors limiting minimum separation for double...

In this paper, we propose helicity-dependent switching (HDS) of magnetization in Co/Pt for an energy efficient optical receiver. Designing a low-power receiver optical-to-electrical signal conversion has proven to be very challenging. Current day receivers use photodiode that produces photocurrent response input signals, and power hungry transimpedance amplifiers are required amplify the small photocurrents. These limitations can overcome by using light helicity-induced which avoid...

Excessive spin-torque critical current has long been a problem received much attention. In this paper, we suggest that by introducing the out-of-plane stress or anisotropy field, demagnetizing field can be compensated effectively, and in way reduced. Specifically, four-component distributed spin-circuit model is used to calculate polarization which transferred from polarizer detector (free layer).The properties of magnetization switching free layer lateral spin valve are studied under...

The use of femtosecond laser pulses for ultrafast triggering magnetization switching is great interest in multilayer systems with tunability. At present, the impact interfacial mixing on has not been thoroughly investigated. In this paper, dynamics investigated by a combination atomic spin and two-temperature models. Our results show that only reduces energy density required but also expands range pulse durations can trigger switching. addition, we have dependence time systems. accelerate...

Abstract Presently, State Space Models (SSMs), including frameworks like Mamba, have been incorporated into the realm of computer vision. These models not only sustain remote interactions and encapsulate global semantic information effectively, but also preserve linear computational complexity, offering a balance between performance efficiency. Given that Mamba inherently adheres to principle selectivity when constructing sequence models, goal is further unleash potential through this...

To optimize rice yield and enhance quality through targeted field management at each growth stage, rapid accurate identification of stages is crucial. This study presents the Mobilenetv3-YOLOv8 growth-stage recognition model, designed for high efficiency accuracy using Unmanned Aerial Vehicle (UAV) imagery. A UAV captured images fields across five distinct from two altitudes (3 m 20 m) independent experiments. These were processed to create training, validation, test datasets model...