Investigations on the optical forces from three mainstream optical resonances in all-dielectric nanostructure arrays

• Guangdong Wang and
• Zhanghua Han

Beilstein J. Nanotechnol. 2023, 14, 674–682, doi:10.3762/bjnano.14.53

• field distributions at the resonance are shown in Figure 3b, where the white arrows also represent the electric displacement current vectors. The enhancement of the electric and magnetic fields at the resonance is smaller compared to those at the TD resonance in Figure 2b. As can be seen from Figure 3b

A distributed active patch antenna model of a Josephson oscillator

• Vladimir M. Krasnov

Beilstein J. Nanotechnol. 2023, 14, 151–164, doi:10.3762/bjnano.14.16

• AF [36]. G12 is originating from a cross product of electric and magnetic fields generated by different slots. For λ0 ≫ b ≫ d it is equal to [36][40] Here, J0 is the zeroth-order Bessel function, k0 = 2π/λ0 is the wave number in free space, and the angle Θ is defined in Figure 1b. For the n-th cavity

Recent progress in magnetic applications for micro- and nanorobots

• Ke Xu,
• Shuang Xu and
• Fanan Wei

Beilstein J. Nanotechnol. 2021, 12, 744–755, doi:10.3762/bjnano.12.58

• microrobots could achieve certain motion under the influence of simultaneous electric and magnetic fields [61]. An electromagnetic actuation (EMA) [62][63] system could be used to locate microrobots containing materials with MNPs. Therefore, the combination of magnetism and electricity has been widely used in

• cargo. Magnetic field gradients are applied to control the movement direction. To transport goods in an environment with an integrated system of electric and magnetic fields was difficult for previous soft robots to achieve. This is a significant improvement. The most common propulsion method for MNRs

Evolution of Ag nanostructures created from thin films: UV–vis absorption and its theoretical predictions

• Robert Kozioł,
• Marcin Łapiński,
• Paweł Syty,
• Damian Koszelow,
• Wojciech Sadowski,
• Józef E. Sienkiewicz and
• Barbara Kościelska

Beilstein J. Nanotechnol. 2020, 11, 494–507, doi:10.3762/bjnano.11.40

• perpendicularly polarized beams yield, by averaging, the result for the unpolarized beam, according to the formula: where ETE and ETM are electric and magnetic fields obtained from simulations with TE and TM beam polarizations, respectively. For calculations of the electric field distribution, the shape of the

Tailoring polarization and magnetization of absorbing terahertz metamaterials using a cut-wire sandwich structure

• Hadi Teguh Yudistira,
• Shuo Liu,
• Tie Jun Cui and
• Han Zhang

Beilstein J. Nanotechnol. 2018, 9, 1437–1447, doi:10.3762/bjnano.9.136

• –c presents the peak magnitude of the electric and magnetic fields of the cut-wire, cross-shaped and star-shaped sandwich structures, respectively. The frequencies of the peak values of the electric and magnetic fields were similar to those of the absorbance peaks. This condition indicated the

• between two unit cells. The magnetic field distribution showed that the maximum value of the magnetic field was between layers 1 and 2. The anti-parallel surface in the gold metallic bars on layers 1 and 2 generated magnetization. The maximum value of the electric and magnetic fields was found here, while

Robust midgap states in band-inverted junctions under electric and magnetic fields

• Álvaro Díaz-Fernández,
• Natalia del Valle and
• Francisco Domínguez-Adame

Beilstein J. Nanotechnol. 2018, 9, 1405–1413, doi:10.3762/bjnano.9.133

• presence of crossed electric and magnetic fields, the electric field being applied along the growth direction of a band-inverted junction. We show that the Dirac cone is robust and persists even if the fields are strong. In addition, we point out that Landau levels of electron states lying in the

• semiconductor bands can be tailored by the electric field. Tunable devices are thus likely to be realizable, exploiting the properties studied herein. Keywords: crystalline topological insulators; electric and magnetic fields; Landau levels; midgap states; Introduction In 1982, Thouless et al. [1] made a

• states arising in the single-junction configuration is robust against crossed electric and magnetic fields. In addition, Landau levels of electron states lying in the semiconductor bands can be tailored by the electric field. Finally, the electronic structure of band-inverted junctions when the magnetic

New 2D graphene hybrid composites as an effective base element of optical nanodevices

• Olga E. Glukhova,
• Igor S. Nefedov,
• Alexander S. Shalin and
• Мichael М. Slepchenkov

Beilstein J. Nanotechnol. 2018, 9, 1321–1327, doi:10.3762/bjnano.9.125

• and magnetic field strength, respectively. The host medium is vacuum. In this configuration the wave is p-polarized (or E-wave). To determine the coefficient of reflection, transmission and absorption, Maxwell's equations for the electric and magnetic fields in a vacuum with the 2D CNT–graphene

Atomic layer deposition and properties of ZrO₂/Fe₂O₃ thin films

• Kristjan Kalam,
• Helina Seemen,
• Peeter Ritslaid,
• Mihkel Rähn,
• Aile Tamm,
• Kaupo Kukli,
• Aarne Kasikov,
• Joosep Link,
• Raivo Stern,
• Salvador Dueñas,
• Helena Castán and
• Héctor García

Beilstein J. Nanotechnol. 2018, 9, 119–128, doi:10.3762/bjnano.9.14

• become segregated upon thermal deposition and processing. The goal of the magnetic and electrical measurements was to evaluate the ability of ZrO2/Fe2O3 films to polarize in both electric and magnetic fields and thus clarify to what extent may such materials exhibit multiferroic behavior. Experimental

Nematic liquid crystal alignment on subwavelength metal gratings

• Irina V. Kasyanova,
• Artur R. Geivandov,
• Vladimir V. Artemov,
• Maxim V. Gorkunov and
• Serguei P. Palto

Beilstein J. Nanotechnol. 2018, 9, 42–47, doi:10.3762/bjnano.9.6

• resonances which make such materials potentially useful in optical filters, biochemical sensors, light polarizers and other devices [3][4][5][6][7][8]. Because liquid crystals (LCs) allow for the control of such resonances using external electric and magnetic fields, the idea of combining a nanomaterial with

Reasons and remedies for the agglomeration of multilayered graphene and carbon nanotubes in polymers

• Rasheed Atif and
• Fawad Inam

Beilstein J. Nanotechnol. 2016, 7, 1174–1196, doi:10.3762/bjnano.7.109

• , and application of electric and magnetic fields [134]. In one study, it was shown that making a thin film by extrusion and drawing it before the heat gets dissipated helps to achieve the alignment of CNTs. The inter-tube slippage can be avoided through nano-mechanical interlocking by growing the CNTs

Tunable light filtering by a Bragg mirror/heavily doped semiconducting nanocrystal composite

• Ilka Kriegel and
• Francesco Scotognella

Beilstein J. Nanotechnol. 2015, 6, 193–200, doi:10.3762/bjnano.6.18

• perpendicular to the multilayer surface. n0 and nS are the refractive indexes of air and glass, respectively, and Em and Hm are the electric and magnetic fields in the glass substrate, respectively. The electric and magnetic fields in air, E0 and H0, have been obtained by solving the following system: where

Spin annihilations of and spin sifters for transverse electric and transverse magnetic waves in co- and counter-rotations

• Hyoung-In Lee and
• Jinsik Mok

Beilstein J. Nanotechnol. 2014, 5, 1887–1898, doi:10.3762/bjnano.5.199

• the normalized amplitude functions (fr,fθ,fz) and (hr,hθ,hz) for the electric and magnetic fields, respectively. The total fields are then expressed as below for the counter-rotational case [3]: Here, the complex number q is the coupling coefficient between the TE and TM modes [4]. Hence, the two

• electric and magnetic fields being parallel, whereas q = −1 denotes that the two are anti-parallel. On the other hand, the two axial components are out of phase for q = ±i [4]. In general, the chirality assumes θ-dependent values, for instance, χ ≡ cos(2mθ) for q = i from Equation 9. Figure 3 presents