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Search for "phenomenon" in Full Text gives 607 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Upper critical magnetic field in NbRe and NbReN micrometric strips

  • Zahra Makhdoumi Kakhaki,
  • Antonio Leo,
  • Federico Chianese,
  • Loredana Parlato,
  • Giovanni Piero Pepe,
  • Angela Nigro,
  • Carla Cirillo and
  • Carmine Attanasio

Beilstein J. Nanotechnol. 2023, 14, 45–51, doi:10.3762/bjnano.14.5

Graphical Abstract
  • the paraconductivity phenomenon, whose nature has been analyzed in detail in the case of unstructured NbReN films of different thickness [4]. In Figure 2, the resistive curves of NbRe are shown for various values of H with the microstrip placed perpendicularly (Figure 2a) or parallely (Figure 2b) to
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Published 05 Jan 2023

Gap-directed chemical lift-off lithographic nanoarchitectonics for arbitrary sub-micrometer patterning

  • Chang-Ming Wang,
  • Hong-Sheng Chan,
  • Chia-Li Liao,
  • Che-Wei Chang and
  • Wei-Ssu Liao

Beilstein J. Nanotechnol. 2023, 14, 34–44, doi:10.3762/bjnano.14.4

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  • biorecognition arrays or be transferred to the underneath Au layer for metallic structure creation. By combining CLL process with this gap phenomenon, soft material properties that are previously thought as demerits can be used to achieve sub-10 nm features in a straightforward sketch. Keywords: chemical lift
  • process provides a unique artificial defect-rich surface, which supports the creation of homogeneously distributed molecular environments for functional substrates, e.g., surface wettability control [23] and enhanced biorecognition phenomenon [24][25][26]. The versatility of CLL can also be expanded by
  • the tiny gaps generated through soft material structure collapsing onto a flat substrate are located in between the original contact area and a later collapsing region. This newly formed space dimension should be much smaller than the feature size rendered on the original stamp, and this phenomenon
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Published 04 Jan 2023

The influence of structure and local structural defects on the magnetic properties of cobalt nanofilms

  • Alexander Vakhrushev,
  • Aleksey Fedotov,
  • Olesya Severyukhina and
  • Anatolie Sidorenko

Beilstein J. Nanotechnol. 2023, 14, 23–33, doi:10.3762/bjnano.14.3

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  • temperature for pure metal equal to 9.25 K. In superconductors, including niobium, due to the Meissner effect, the phenomenon of complete or partial ejection of the magnetic field from the material volume occurs [48][49]. In the superconductivity mode, which is the mode of greatest interest for the magnetic
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Published 04 Jan 2023

Observation of collective excitation of surface plasmon resonances in large Josephson junction arrays

  • Roger Cattaneo,
  • Mikhail A. Galin and
  • Vladimir M. Krasnov

Beilstein J. Nanotechnol. 2022, 13, 1578–1588, doi:10.3762/bjnano.13.132

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  • collectively by a phase-locked array of oscillators). This is still a coherent phenomenon, but the emission occurs from a single source, namely the antenna formed by the electrode. (III) The synchronization: the overlap-type JJs in the studied arrays are separated by 12 μm, which is much larger than the London
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Published 28 Dec 2022

Induced electric conductivity in organic polymers

  • Konstantin Y. Arutyunov,
  • Anatoli S. Gurski,
  • Vladimir V. Artemov,
  • Alexander L. Vasiliev,
  • Azat R. Yusupov,
  • Danfis D. Karamov and
  • Alexei N. Lachinov

Beilstein J. Nanotechnol. 2022, 13, 1551–1557, doi:10.3762/bjnano.13.128

Graphical Abstract
  • further elaborated [12][13][14]. The purpose of this work was to study this interesting phenomenon in a wide temperature range: from 4.2 K to room temperature. Experimental Layered Pb–PDP–Pb heterostructures were fabricated in a glove box in nitrogen atmosphere with minimum moisture and oxygen content
  • electric circuit; (f) demonstrates the switching phenomenon of the thin PDP film from insulating to metal state. Thickness of Pb electrodes is about 200 nm. Sandwich structure Pb–PDP–Pb–0.4-GLASS, thickness of polymer is about 350 nm, both Pb electrodes are ≈200 nm thick. (a) Resistance vs temperature R(T
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Published 19 Dec 2022

In search of cytotoxic selectivity on cancer cells with biogenically synthesized Ag/AgCl nanoparticles

  • Mitzi J. Ramírez-Hernández,
  • Mario Valera-Zaragoza,
  • Omar Viñas-Bravo,
  • Ariana A. Huerta-Heredia,
  • Miguel A. Peña-Rico,
  • Erick A. Juarez-Arellano,
  • David Paniagua-Vega,
  • Eduardo Ramírez-Vargas and
  • Saúl Sánchez-Valdes

Beilstein J. Nanotechnol. 2022, 13, 1505–1519, doi:10.3762/bjnano.13.124

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  • temperature [22][23][24]. In this way, the ability of secondary metabolites of plant extracts to reduce precursor metal salts to particles with zero charge, and at the same time stabilize nanoparticles already formed, has been demonstrated. Despite this, the phenomenon of interaction of the chemical species
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Published 13 Dec 2022

Coherent amplification of radiation from two phase-locked Josephson junction arrays

  • Mikhail A. Galin,
  • Vladimir M. Krasnov,
  • Ilya A. Shereshevsky,
  • Nadezhda K. Vdovicheva and
  • Vladislav V. Kurin

Beilstein J. Nanotechnol. 2022, 13, 1445–1457, doi:10.3762/bjnano.13.119

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  • coherent gain, up to a factor of three, of emitted power from two simultaneously biased arrays, compared to the sum of powers from two individually biased arrays. The phenomenon is attributed to the phase locking of junctions in different arrays via a common electromagnetic field. Remarkably, the gain can
  • smaller than those for sample-1, indicating that the inter-array coupling is not a short-range phenomenon. Off-chip synchronization The third series of measurements was performed using arrays at two different substrates. The substrates were stacked on top of each other, as sketched in Figure 5a. To
  • a complex phenomenon, which cannot be reduced to a simple constructive interference of two independent sources. For a better understanding of the phase locking dynamics, we perform numerical modelling. Figure 6a demonstrates the general view of the considered model for on-chip synchronization. It
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Published 06 Dec 2022

Facile preparation of Au- and BODIPY-grafted lipid nanoparticles for synergized photothermal therapy

  • Yuran Wang,
  • Xudong Li,
  • Haijun Chen and
  • Yu Gao

Beilstein J. Nanotechnol. 2022, 13, 1432–1444, doi:10.3762/bjnano.13.118

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  • specificity and minimal invasiveness, it has attracted a great deal of attention as complementary modality for conventional cancer therapy options [1]. Gold nanoparticles (AuNPs) can absorb light and generate heat from light absorption because of the surface plasmon resonance (SPR) phenomenon and the tunable
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Published 02 Dec 2022

Double-layer symmetric gratings with bound states in the continuum for dual-band high-Q optical sensing

  • Chaoying Shi,
  • Jinhua Hu,
  • Xiuhong Liu,
  • Junfang Liang,
  • Jijun Zhao,
  • Haiyan Han and
  • Qiaofen Zhu

Beilstein J. Nanotechnol. 2022, 13, 1408–1417, doi:10.3762/bjnano.13.116

Graphical Abstract
  • to find the artificial BIC by the Brillouin band folding phenomenon resulting from changing the spacing of the grating. Interestingly, the FP-BIC is obtained by varying the cavity length of the DLSG to satisfy the transverse resonance principle. Results and Discussion As an example, the high
  • and a decrease in the Q-factor. By physically varying the spacing of the RDG, the modes at the edge of the first Brillouin zone now lie at the gamma point (the center of the first Brillouin zone), thus resulting in an artificial BIC caused by the Brillouin folding phenomenon [45]. Such BIC is
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Published 25 Nov 2022

Supramolecular assembly of pentamidine and polymeric cyclodextrin bimetallic core–shell nanoarchitectures

  • Alexandru-Milentie Hada,
  • Nina Burduja,
  • Marco Abbate,
  • Claudio Stagno,
  • Guy Caljon,
  • Louis Maes,
  • Nicola Micale,
  • Massimiliano Cordaro,
  • Angela Scala,
  • Antonino Mazzaglia and
  • Anna Piperno

Beilstein J. Nanotechnol. 2022, 13, 1361–1369, doi:10.3762/bjnano.13.112

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  • classifying them in plasmonic NPs (size > 5 nm) and nanoclusters (size < 5 nm). When dimensions exceed 5 nm, NPs exhibit a unique optical phenomenon called localized surface plasmon resonance (LSPR) which represents the collective oscillation of conduction band electrons after interaction between NPs and an
  • electromagnetic field [4]. However, for <5 nm sized NPs, the LSPR phenomenon disappears, and they exhibit a tunable intrinsic photoluminescence with high Stokes shift and excellent photostability [5]. Plasmonic NPs can be produced in monometallic (MNPs) or bimetallic (BMNPs) forms and, in the latter, the internal
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Published 18 Nov 2022

Bending and punching characteristics of aluminum sheets using the quasi-continuum method

  • Man-Ping Chang,
  • Shang-Jui Lin and
  • Te-Hua Fang

Beilstein J. Nanotechnol. 2022, 13, 1303–1315, doi:10.3762/bjnano.13.108

Graphical Abstract
  • oscillation exists in the curve from the punch contacts with the workpiece to the workpiece fracture. This oscillation expresses the stick–slip phenomenon, which commonly occurs in the atomic-scale friction [14][61][62]. The stick phenomenon is caused by the accumulation of atoms in front of the punch, and
  • the adhesion force increases with an increase of the contact area between the punch and the workpiece. However, when the debris crumple, the slip phenomenon appears [61]. Besides, comparing the three crystal orientation curves, O1 shows a more stable curve during the loading process, while the O2 and
  • and O3 is at an inclined angle with the punching direction, which is mostly consistent with the atomic displacement vectors mentioned in Figure 4. Besides, it can be more clearly observed from Figure 5 that the cutting surfaces of O1 are relatively smooth. There is no inclined phenomenon or residual
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Published 10 Nov 2022

Laser-processed antiadhesive bionic combs for handling nanofibers inspired by nanostructures on the legs of cribellate spiders

  • Sebastian Lifka,
  • Kristóf Harsányi,
  • Erich Baumgartner,
  • Lukas Pichler,
  • Dariya Baiko,
  • Karsten Wasmuth,
  • Johannes Heitz,
  • Marco Meyer,
  • Anna-Christin Joel,
  • Jörn Bonse and
  • Werner Baumgartner

Beilstein J. Nanotechnol. 2022, 13, 1268–1283, doi:10.3762/bjnano.13.105

Graphical Abstract
  • different fiber radii R (in nm). Another interesting phenomenon that can be described with this theory is that the total energy Etot initially decreases with increasing amplitude a with regard to a flat surface. With increasing λ the effect becomes stronger. This means, that if the aspect ratio between
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Published 07 Nov 2022

Role of titanium and organic precursors in molecular layer deposition of “titanicone” hybrid materials

  • Arbresha Muriqi and
  • Michael Nolan

Beilstein J. Nanotechnol. 2022, 13, 1240–1255, doi:10.3762/bjnano.13.103

Graphical Abstract
  • the double reaction phenomenon, which for EG removes both the reactive OH groups required to couple with the Ti precursor, while even with a double reaction, GL has a third OH group available to couple to the Ti(DMA)4 precursor in the next cycle [33]. Ti(DMA)4 inorganic precursor is well known and
  • the two terminal OH groups, and this phenomenon reduces the number of active sites and terminates the surface growth [39]. However, DFT results also show that this scheme depends on the metal precursor and the surface as the same aliphatic precursors behave differently when combined with Mg(Cp)2; EG
  • addition to the surface models that result from the adsorption of a single TiCl4 molecule, in order to investigate the double reaction phenomenon of EG and GL, we have also built models in which two TiCl4 molecules are adsorbed on the anatase TiO2 and rutile TiO2 surfaces. Calculated energies for the
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Published 02 Nov 2022

A super-oscillatory step-zoom metalens for visible light

  • Yi Zhou,
  • Chao Yan,
  • Peng Tian,
  • Zhu Li,
  • Yu He,
  • Bin Fan,
  • Zhiyong Wang,
  • Yao Deng and
  • Dongliang Tang

Beilstein J. Nanotechnol. 2022, 13, 1220–1227, doi:10.3762/bjnano.13.101

Graphical Abstract
  • high optical loss and are not suitable for far-field imaging. As a result, it is still a huge challenge to achieve unlabeled far-field imaging without image post processing. Optical super-oscillation is a unique optical phenomenon in which an optical signal can oscillate faster locally than its maximum
  • than of the long focal length, which corresponds well with the traditional geometric optical theory. It should be noted that the low focusing efficiency of the SSL arises from the redistribution of the optical field energy. This is a typical feature of the optical super-oscillation phenomenon in which
  • is achieved by the metasurface. Nonetheless, due to the shadowing effect and coupling phenomenon among unit cells, the transmittance of the unit cells is affected by the incident angle and the orientation of unit cells. Third, the residual co-polarization component could lead to noticeable stray
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Published 28 Oct 2022

Design of surface nanostructures for chirality sensing based on quartz crystal microbalance

  • Yinglin Ma,
  • Xiangyun Xiao and
  • Qingmin Ji

Beilstein J. Nanotechnol. 2022, 13, 1201–1219, doi:10.3762/bjnano.13.100

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  • ; chiral surface; chirality recognition; quartz crystal microbalance (QCM); sensing applications; surface architecture; Introduction Chirality is a prevalent phenomenon in nature. Many common biological macromolecules such as proteins, ribose, and cellulose are inherently chiral. Chiral molecules have two
  • forms (enantiomers) that are mirror images of each other. It is a mysterious phenomenon that almost all chiral molecules in living organisms are found in one form, such as right-handed sugars, left-handed amino acids, and right-handed DNA coils. Scientists coined the term “homochirality” to describe
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Published 27 Oct 2022

Application of nanoarchitectonics in moist-electric generation

  • Jia-Cheng Feng and
  • Hong Xia

Beilstein J. Nanotechnol. 2022, 13, 1185–1200, doi:10.3762/bjnano.13.99

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  • ]. This viewpoint was confirmed by many experiments later, such as the electrical signal generated by the flow of water through single-walled carbon nanotubes [7], carbon nanosheets [8], and nanoparticles [9]. Regarding the principle of this phenomenon, the common explanation is that charge transfer
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Published 25 Oct 2022

Nonlinear features of the superconductor–ferromagnet–superconductor φ0 Josephson junction in the ferromagnetic resonance region

  • Aliasghar Janalizadeh,
  • Ilhom R. Rahmonov,
  • Sara A. Abdelmoneim,
  • Yury M. Shukrinov and
  • Mohammad R. Kolahchi

Beilstein J. Nanotechnol. 2022, 13, 1155–1166, doi:10.3762/bjnano.13.97

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  • arrows in the figure. Another model parameter that affects the phenomenon discussed in the present paper is the ratio G between Josephson energy and magnetic energy. Figure 4b demonstrates the results of numerical simulations of the dependence on α at different values of G. Similar to the effect of r
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Published 21 Oct 2022

Recent advances in green carbon dots (2015–2022): synthesis, metal ion sensing, and biological applications

  • Aisha Kanwal,
  • Naheed Bibi,
  • Sajjad Hyder,
  • Arif Muhammad,
  • Hao Ren,
  • Jiangtao Liu and
  • Zhongli Lei

Beilstein J. Nanotechnol. 2022, 13, 1068–1107, doi:10.3762/bjnano.13.93

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Published 05 Oct 2022

Numerical study on all-optical modulation characteristics of quantum cascade lasers

  • Biao Wei,
  • Haijun Zhou,
  • Guangxiang Li and
  • Bin Tang

Beilstein J. Nanotechnol. 2022, 13, 1011–1019, doi:10.3762/bjnano.13.88

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  • Biao Wei Haijun Zhou Guangxiang Li Bin Tang Key Laboratory of Optoelectronic Technology & Systems, Ministry of Education, Chongqing University, Chongqing 400044, China 10.3762/bjnano.13.88 Abstract To explain the phenomenon of all-optical modulation of quantum cascade laser (QCL), and explore the
  • , thus reducing the number of photons in the cavity and achieving modulation. Conclusion In this paper, to explore the phenomenon of all-optical modulation of QCLs, we studied the characteristics of a mid-infrared QCL using near-infrared optical injection of several mW at wavelengths of 820 nm and 1550
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Published 23 Sep 2022

Influence of water contamination on the sputtering of silicon with low-energy argon ions investigated by molecular dynamics simulations

  • Grégoire R. N. Defoort-Levkov,
  • Alan Bahm and
  • Patrick Philipp

Beilstein J. Nanotechnol. 2022, 13, 986–1003, doi:10.3762/bjnano.13.86

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  • tried to give a broader picture of the phenomenon in solids or in crystals [36], by using a very small sample size and performing an exhaustive study on bond orders and bond length average (Gaussian core model), as well as analysing the granularity of the system in liquid/solid phases. However, these
  • and penetrate deeper into the sample. This phenomenon can happen if the hydrogen is impacted at the correct angle, either by initial collisions with argon ions or by recoil atoms during the collision cascade. This will allow it to travel in a straight path through the silicon lattice, reaching and
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Published 21 Sep 2022

Solar-light-driven LaFexNi1−xO3 perovskite oxides for photocatalytic Fenton-like reaction to degrade organic pollutants

  • Chao-Wei Huang,
  • Shu-Yu Hsu,
  • Jun-Han Lin,
  • Yun Jhou,
  • Wei-Yu Chen,
  • Kun-Yi Andrew Lin,
  • Yu-Tang Lin and
  • Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 882–895, doi:10.3762/bjnano.13.79

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  • and desorption was performed. As shown in Supporting Information File 1, Figure S1, all LaFexNi1−xO3 perovskite oxides were in line with Type IV isotherm according to their hysteresis phenomenon. The Brunauer–Emmett–Teller (BET) result of the pristine LaFeO3 and LaNiO3 corresponded to the result in
  • min of simulated solar light irradiation due to the Fenton effect of Fe3+ [51]. On the contrary, LaNiO3 did not conduct the Fenton-like effect; therefore, it exhibited poor photocatalytic ability. Fe's phenomenon revealed better catalytic activity than Ni, similar to the previous study [52]. It might
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Published 05 Sep 2022

Micro-structures, nanomechanical properties and flight performance of three beetles with different folding ratios

  • Jiyu Sun,
  • Pengpeng Li,
  • Yongwei Yan,
  • Fa Song,
  • Nuo Xu and
  • Zhijun Zhang

Beilstein J. Nanotechnol. 2022, 13, 845–856, doi:10.3762/bjnano.13.75

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  • , and the elytra will flap almost synchronous with the hind wings. A similar phenomenon was found in dung beetles (Heliocopris hamadryas), whose elytra contributed to produce lift [39]. In addition, the hind wings of beetles twist to a certain extent during flight. The rotational lift is an important
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Published 26 Aug 2022

Temperature and chemical effects on the interfacial energy between a Ga–In–Sn eutectic liquid alloy and nanoscopic asperities

  • Yujin Han,
  • Pierre-Marie Thebault,
  • Corentin Audes,
  • Xuelin Wang,
  • Haiwoong Park,
  • Jian-Zhong Jiang and
  • Arnaud Caron

Beilstein J. Nanotechnol. 2022, 13, 817–827, doi:10.3762/bjnano.13.72

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  • temperature range between 1200 and 1500 K, which was associated with oxygen [10]. In this case, oxygen acts as a surface-active element that leads to chemical segregations at the surface. A similar phenomenon was reported for Ga–Bi liquid alloys, in which case a positive temperature sensitivity κ has been
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Published 23 Aug 2022

Tunable high-quality-factor absorption in a graphene monolayer based on quasi-bound states in the continuum

  • Jun Wu,
  • Yasong Sun,
  • Feng Wu,
  • Biyuan Wu and
  • Xiaohu Wu

Beilstein J. Nanotechnol. 2022, 13, 675–681, doi:10.3762/bjnano.13.59

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  • -factor is defined by Q = λ/Δλ, where λ is the resonant wavelength of the absorption peak and Δλ denotes the full width at half maximum of the peak. To examine the physical mechanism of this phenomenon, we illustrate the distributions of the electromagnetic field at the resonant wavelength in Figure 3
  • this phenomenon. The proposed absorber has an ultranarrow absorption profile with ultrahigh Q-factor and high spatial directivity, which enables the use as a thermal emitter with high spatial directivity. We also found that the spectral position of the absorption peak can be changed without degrading
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Published 19 Jul 2022

A superconducting adiabatic neuron in a quantum regime

  • Marina V. Bastrakova,
  • Dmitrii S. Pashin,
  • Dmitriy A. Rybin,
  • Andrey E. Schegolev,
  • Nikolay V. Klenov,
  • Igor I. Soloviev,
  • Anastasiya A. Gorchavkina and
  • Arkady M. Satanin

Beilstein J. Nanotechnol. 2022, 13, 653–665, doi:10.3762/bjnano.13.57

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  • function between the maximum (red area) and minimum (blue area), see Figure 5. Coherent oscillations on the current–flux dependence are also the evidence of this phenomenon (see the green curve in Figure 3). Double-well potential For the double-well potential, when l > l*, the problem of quantum dynamics
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Published 14 Jul 2022
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