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Journal articles on the topic '2D Structure'

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1

Clark, Alex M., Paul Labute, and Martin Santavy. "2D Structure Depiction." Journal of Chemical Information and Modeling 46, no. 3 (2006): 1107–23. http://dx.doi.org/10.1021/ci050550m.

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2

Komarov, Vladislav, Ruslan Galiev, and Sofya Artemkina. "2d, or Not 2d: An Almost Perfect Mock of Symmetry." Symmetry 15, no. 2 (2023): 508. http://dx.doi.org/10.3390/sym15020508.

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The paper is related to an interesting case of revision of X-ray crystal structure with a lack of experimental data. Complexes V4OSe8I6·X (X = I2 or 3,5-dimethylpyrazole) with O-centered complex molecules [V4O(μ-Se2)4I4(μ-I)2] were synthesized in our group. In the further search for new relative compounds in the V-Se-I-O system, we obtained several crystals with different structures, including “V4OSe6I3”, with incredibly complicated connectivity of {V4O(Se2)4I6} units bridged via both diselenide and iodide ligands. Due to the absence of phase-pure products and the possible instability of some
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3

Kulkarni, Mandar, Jayaraman Thangappan, Indrajit Deb, and Sangwook Wu. "Comparative analysis of RNA secondary structure accuracy on predicted RNA 3D models." PLOS ONE 18, no. 9 (2023): e0290907. http://dx.doi.org/10.1371/journal.pone.0290907.

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RNA structure is conformationally dynamic, and accurate all-atom tertiary (3D) structure modeling of RNA remains challenging with the prevailing tools. Secondary structure (2D) information is the standard prerequisite for most RNA 3D modeling. Despite several 2D and 3D structure prediction tools proposed in recent years, one of the challenges is to choose the best combination for accurate RNA 3D structure prediction. Here, we benchmarked seven small RNA PDB structures (40 to 90 nucleotides) with different topologies to understand the effects of different 2D structure predictions on the accurac
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4

Nazaruddin, Nazaruddin, Feblil Huda, Hafizah Hafizah, and Fatiya Fatiya. "Finite Element-Based Optimization of Cross-Section Area on 2D Truss Structure with 10-members and 12-members Using Nonlinear Programming Method." Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) 67, no. 3 (2023): 83–87. http://dx.doi.org/10.36842/jomase.v67i3.350.

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Designing a structure requires good planning to obtain optimal results. Some things that need to be considered in designing structures are the materials used, the dimensions of the structure, and others. By optimizing the dimensions of the structure, the use of materials can be minimized so that production costs can be reduced. The experiment requires additional cost and time. Therefore, finite element software can be used to design the structure optimally in compliance with the constraints set according to the requirements. Previous studies have carried out cross-section area optimization of
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5

Likhoded, N. A., and M. A. Paliashchuk. "Tiled parallel 2D computational processes." Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series 54, no. 4 (2019): 417–26. http://dx.doi.org/10.29235/1561-2430-2018-54-4-417-426.

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The algorithm implemented on a parallel computer with distributed memory has, as a rule, a tiled structure: a set of operations is divided into subsets, called tiles. One of the modern approaches to obtaining tiled versions of algorithms is a tiling transformation based on information sections of the iteration space, resulting in macro-operations (tiles). The operations of one tile are performed atomically, as one unit of calculation, and the data exchange is done by arrays. The method of construction of tiled computational processes logically organized as a two-dimensional structure for algor
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6

Кузнецов, Юрий Александрович, and Михаил Николаевич Лапушкин. "CALCULATION OF ELECTRONIC STRUCTURE OF 2D NaAu INTERMETALLIC LAYERS." Physical and Chemical Aspects of the Study of Clusters, Nanostructures and Nanomaterials, no. 13 (December 23, 2021): 475–82. http://dx.doi.org/10.26456/pcascnn/2021.13.475.

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Проведен расчет плотности состояний различной толщины 2D -слоев интерметаллида NaAu. 2D -слоев интерметаллида NaAu моделировались суперячейки NaAu (111) 2 х 2 х 2. Для монослойного 2D -слоя интерметаллида NaAu установлено наличие запрещенной зоны с шириной 1,87 эВ. Увеличение толщины толщины 2D -слоев интерметаллида NaAu до двух монослоев показал уменьшение ширины запрещенной зоны до 0,81эВ. Дальнейшее увеличение толщины 2D -слоев интерметаллида NaAu приводит к исчезновению запрещенной зоны, что указывает на переход полупроводник - металл для 2D -слоя интерметаллида NaAu толщиной три монослоя.
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7

Kim, Do-Kyung, Jae Bum Jeong, Kyungmin Lim, et al. "Improved Output Voltage of a Nanogenerator with 3D Fabric." Journal of Nanoscience and Nanotechnology 20, no. 8 (2020): 4666–70. http://dx.doi.org/10.1166/jnn.2020.17803.

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Electrically enhanced triboelectric nanogenerators (TENGs) using 3D fabrics and polydimethylsiloxane (PDMS) are suggested for next-generation wearable electronics. TENGs with fabric–fabric– fabric (FFF) and PDMS–fabric–PDMS (PFP) structures were fabricated with ordinary 2D fabrics and honeycomb-like 3D fabrics. A 3D fabric TENG with an FFF structure showed an output voltage of 7 V, 7 times higher than a 2D fabric FFF structured TENG. Interestingly, an extremely high output voltage of 240 V was achieved by a 3D fabric PFP structured TENG. This was attributed to the high surface frictional tribo
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8

Jebara, T., A. Azarbayejani, and A. Pentland. "3D structure from 2D motion." IEEE Signal Processing Magazine 16, no. 3 (1999): 66–84. http://dx.doi.org/10.1109/79.768574.

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9

Gutzler, Rico. "Band-structure engineering in conjugated 2D polymers." Physical Chemistry Chemical Physics 18, no. 42 (2016): 29092–100. http://dx.doi.org/10.1039/c6cp06101j.

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10

Nguyen, Tran Dinh Khoi, and Neelakantan Ramachandran. "Capital Structure in Small and Medium‑ sized Enterprises: The Case of Vietnam." Asean Economic Bulletin 23, no. 2 (2006): 192–211. http://dx.doi.org/10.1355/ae23-2d.

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11

Faglia, Guido, Matteo Ferroni, Thi Thanh Le Dang, Maurizio Donarelli, Federica Rigoni, and Camilla Baratto. "Vertically Coupling ZnO Nanorods onto MoS2 Flakes for Optical Gas Sensing." Chemosensors 8, no. 1 (2020): 19. http://dx.doi.org/10.3390/chemosensors8010019.

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Hybrid structures composed of layered one-dimensional (1D) and two-dimensional (2D) materials opened new perspectives and opportunities through the build-up of hetero-junctions with versatile layered structures and led to fascinating fundamental phenomena and advanced devices. We succeeded in depositing by magnetron sputtering vertically aligned 1D ZnO nanorods on 2D MoS2 flakes obtained by exfoliation, preserving the structure of the 2D materials. The photoluminescence (PL) optical properties of the hybrid structure were assessed towards developing a contactless optical chemical sensor.
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12

Tyler, Christopher W. "A Live Experience of Four-Dimensional Structure." Perception 50, no. 2 (2021): 165–69. http://dx.doi.org/10.1177/0301006620985387.

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Selective attention is well known for 2D patterns and perceptual alternations are well established for 3D structures projected into 2D, such as the Necker cube. Here, these concepts are extended to the spatial fourth dimension in the form of the mathematical structure of the 4D hypercube. In orthographic projection, its 2D outline figure has multiple and highly dynamic percepts of up to 28 different 3D interpretations, which correspond to local 3D views of the 4D hypercube. Thus, the spontaneous operations of perceptual processing can provide direct insight into conceptual structure in the fou
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13

Rius, J., I. Peral, and C. Miravitlles. "Analysis of structure factors of 2D-connected crystal structures." Acta Crystallographica Section A Foundations of Crystallography 61, a1 (2005): c379. http://dx.doi.org/10.1107/s0108767305083935.

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14

Goldstein, Alexandra, and Kam Y. J. Zhang. "The Two-Dimensional Histogram as a Constraint for Protein Phase Improvement." Acta Crystallographica Section D Biological Crystallography 54, no. 6 (1998): 1230–44. http://dx.doi.org/10.1107/s0907444998001863.

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The joint distribution of electron density and its gradient in a protein electron-density map was examined. This joint distribution was represented by a two-dimensional histogram (2D histogram) of electron-density values and the modulus of the gradient. 16 structures representing distinct protein-fold families were selected to study the dependence of the 2D histogram on resolution, overall temperature factor, structural conformation and phase error. The similarity between the histograms for a pair of structures was measured by correlation coefficient, and the residual provided a measure of the
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15

Heshmati, Sajjad, and Abolfazl Rahmani. "Comparison of Resonance Modes in Two-Dimensional and Three-Dimensional Microsphere Structures." Journal of Sensors 2024 (January 10, 2024): 1–6. http://dx.doi.org/10.1155/2024/6642397.

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In this article, we have investigated the performance of a resonator in 2D, in an asymmetric form using the physical method and using the Matlab software, we have analyzed it in 3D. According to the simulation results, in asymmetric 2D and 3D structures, whispering gallery modes, or resonances appeared at similar wavelengths for the same radial and polar mode number. Also, the results obtained from the simulations indicated that the resonances of the asymmetric 2D structure would occur at wavelengths close to the wavelengths of 3D structure and the resonance wavelengths for transverse electric
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16

Cai, Xiaolin, Zhili Zhu, Weiyang Yu, et al. "Stable GaSe-Like Phosphorus Carbide Monolayer with Tunable Electronic and Optical Properties from Ab Initio Calculations." Materials 11, no. 10 (2018): 1937. http://dx.doi.org/10.3390/ma11101937.

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On the basis of density functional theory (DFT) calculations, we propose a stable two-dimensional (2D) monolayer phosphorus carbide (PC) with a GaSe-like structure, which has intriguing electronic and optical properties. Our calculated results show that this 2D monolayer structure is more stable than the other allotropes predicted by Tománek et al. [Nano Lett., 2016, 16, 3247–3252]. More importantly, this structure exhibits superb optical absorption, which can be mainly attributed to its direct band gap of 2.65 eV. The band edge alignments indicate that the 2D PC monolayer structure can be a p
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17

Sharma, Mridu, and Ranber Singh. "Electronic structure modification in two-dimensional pentagonal PdS2 by external strain." Canadian Journal of Physics 99, no. 9 (2021): 788–94. http://dx.doi.org/10.1139/cjp-2021-0063.

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We investigated the electronic structure modifications in two-dimensional (2D) pentagonal PdS2 materials by external strains. In the absence of external strain, the 2D pentagonal PdS2 materials are indirect band gap semiconductors. The band gap decreases with an increase in the number of stacking PdS2 monolayers. The external uniaxial and biaxial strains significantly modify the contributions of p-orbitals of S atoms and d-orbitals of Pd atoms to the conduction and valence band edges. It consequently modifies the electronic structures of 2D pentagonal PdS2 materials. This strain tunability of
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18

Hai, Zhenyin, Mohammad Karbalaei Akbari, Zihan Wei, et al. "Nanostructure-induced performance degradation of WO3·nH2O for energy conversion and storage devices." Beilstein Journal of Nanotechnology 9 (November 12, 2018): 2845–54. http://dx.doi.org/10.3762/bjnano.9.265.

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Although 2D layered nanomaterials have been intensively investigated towards their application in energy conversion and storage devices, their disadvantages have rarely been explored so far especially compared to their 3D counterparts. Herein, WO3·nH2O (n = 0, 1, 2), as the most common and important electrochemical and electrochromic active nanomaterial, is synthesized in 3D and 2D structures through a facile hydrothermal method, and the disadvantages of the corresponding 2D structures are examined. The weakness of 2D WO3·nH2O originates from its layered structure. X-ray diffraction and scanni
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19

Wu, Huayu, Xiue Zhang, Qianhui Wu, et al. "Confined growth of 2D MoS2 nanosheets in N-doped pearl necklace-like structured carbon nanofibers with boosted lithium and sodium storage performance." Chemical Communications 56, no. 1 (2020): 141–44. http://dx.doi.org/10.1039/c9cc07291h.

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N-Doped amber necklace-like structured MoS<sub>2</sub>@carbon nanofibers (ANL MoS<sub>2</sub>@CNFs) were fabricated via the confined growth, constructing a hierarchical structure with 2D nanosheets, yolk–shell structures, 1D nanofibers, and 3D cross-linked networks.
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20

Yin, Yiguo, Wei Guan, and Xing Kou. "The Phononic Properties and Optimization of 2D Multi-Ligament Honeycombs." Materials 17, no. 10 (2024): 2369. http://dx.doi.org/10.3390/ma17102369.

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Honeycomb structures have attracted much attention for their excellent characteristics of reducing vibration and noise in recent years. In this study, through band analysis of different ligament structures, we aim to optimize the design of a steel structure that can isolate most of the noise in the 1500–5000 Hz range. The present study examines several different chiral structures. We calculate the band gaps of chiral structures under different geometric configurations and identify the variations in band gaps with geometric layouts. It is found that compared to other chiral structures, the tril
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21

Förster, Stefan, Eva Zollner, Klaus Meinel, Renè Hammer, Martin Trautmann, and Wolf Widdra. "2D quasicrystals from perovskites." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C80. http://dx.doi.org/10.1107/s2053273314099197.

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Perovskite oxides represent a versatile class of materials with a simple cubic or pseudo-cubic crystal structure. The family of perovskite oxides contains insulators, metals, semiconductors, and superconductors with nearly identical lattice parameters. This structural equivalence additionally allows to combine perovskites with different properties in multilayer systems to produce functional materials with unique properties. We report here on the formation of a quasicrystal (QC) thin film on a threefold Pt(111) surface. This QC film is derived from the classical perovskite oxide BaTiO3 which is
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22

Liu, Yansheng, Zhenle Qin, Junpeng Deng, et al. "The Advanced Applications of 2D Materials in SERS." Chemosensors 10, no. 11 (2022): 455. http://dx.doi.org/10.3390/chemosensors10110455.

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Surface-enhanced Raman scattering (SERS) as a label-free, non-contact, highly sensitive, and powerful technique has been widely applied in determining bio- and chemical molecules with fingerprint recognitions. 2-dimensional (2D) materials with layered structures, tunable optical properties, good chemical/physical stabilities, and strong charge–transfer interaction with molecules have attracted researchers’ interests. Two-D materials with a large and flat surface area, as well as good biocompatibility have been considered promising candidates in SERS and widely applied in chemical and bio-appli
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23

Wiegelmann, T., and J. Büchner. "Evolution of magnetic helicity in the course of kinetic magnetic reconnection." Nonlinear Processes in Geophysics 8, no. 3 (2001): 127–40. http://dx.doi.org/10.5194/npg-8-127-2001.

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Abstract. We investigate the evolution of magnetic helicity density in the course of 2D and 3D kinetic magnetic reconnection through thin current sheets. In 2D, the helicity density near a reconnection X-line becomes purely quadrupolar structured, while in 3D, an additional dipolar structure occurs. This dipolar structure is related to kinetic current instabilities and becomes dominant for spontaneous 3D reconnection, in accordance with the dominating current instabilities. The 2D simulations have been carried out with a newly developed Vlasov-code and the 3D simulations with the particle-in-c
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24

Surville, Clément, and Pierre Barge. "Structure and Migration of 2D Vortices." EPJ Web of Conferences 46 (2013): 05002. http://dx.doi.org/10.1051/epjconf/20134605002.

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25

Ljulj, Matko, and Josip Tambača. "3D structure–2D plate interaction model." Mathematics and Mechanics of Solids 24, no. 10 (2019): 3354–77. http://dx.doi.org/10.1177/1081286519846202.

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In this paper, we derive models for the interaction of a linearized three-dimensional elastic structure with a thin elastic layer of possibly different material attached to it. Rigorous derivation is performed by considering a thin three-dimensional layer and the asymptotics of the solution of the full remaining three-dimensional problem when the thickness [Formula: see text] of the thin layer tends to zero. Furthermore, the attached thin material is assumed to have the elasticity coefficients which are of order [Formula: see text], for [Formula: see text] with respect to the coefficients of t
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26

Haghgooie, R., and P. S. Doyle. "MR fluid structure in quasi-2D." Europhysics Letters (EPL) 77, no. 1 (2007): 18002. http://dx.doi.org/10.1209/0295-5075/77/18002.

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27

Apaja, V., and M. Saarela. "Structure of metastable 2D liquid helium." EPL (Europhysics Letters) 84, no. 4 (2008): 40003. http://dx.doi.org/10.1209/0295-5075/84/40003.

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28

Bombín, Héctor. "Structure of 2D Topological Stabilizer Codes." Communications in Mathematical Physics 327, no. 2 (2014): 387–432. http://dx.doi.org/10.1007/s00220-014-1893-4.

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29

KNIZHNIK, V. G., A. M. POLYAKOV, and A. B. ZAMOLODCHIKOV. "FRACTAL STRUCTURE OF 2d—QUANTUM GRAVITY." Modern Physics Letters A 03, no. 08 (1988): 819–26. http://dx.doi.org/10.1142/s0217732388000982.

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We resolve renormalization problems, indicated in Ref. 1 and find explicit formulae for the spectrum of anomalous dimensions in 2d—quantum gravity. Comparison with combinatorial approximation of random surfaces and its numerical analyses shows complete agreement with all known facts.
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30

Miković, A., and M. Navarro. "Symplectic structure of 2D dilaton gravity." Physics Letters B 315, no. 3-4 (1993): 267–76. http://dx.doi.org/10.1016/0370-2693(93)91611-p.

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31

Navarro-Salas, José, Miguel Navarro, and César F. Talavera. "Canonical structure of 2D black holes." Physics Letters B 335, no. 3-4 (1994): 334–38. http://dx.doi.org/10.1016/0370-2693(94)90360-3.

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32

Karakhanyan, D. R., R. P. Manvelyan, and R. L. Mkrtchyan. "Area-preserving structure of 2d-gravity." Physics Letters B 329, no. 2-3 (1994): 185–88. http://dx.doi.org/10.1016/0370-2693(94)90758-7.

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33

Kawai, H., N. Tsuda, and T. Yukawa. "The complex structure of 2D surfaces." Nuclear Physics B - Proceedings Supplements 47, no. 1-3 (1996): 653–56. http://dx.doi.org/10.1016/0920-5632(96)00143-0.

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34

Nusselder, Jan Jaap H., Jan B. F. N. Engberts, Rolf Boelens, and Robert Kaptein. "Micellar structure studied by 2D-NMR." Recueil des Travaux Chimiques des Pays-Bas 107, no. 2 (1988): 105–7. http://dx.doi.org/10.1002/recl.19881070210.

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35

Wei, Yaocheng, Xuejun Zheng, Liang Chu, and Hui Dong. "Piezo-Phototronic Enhancement of Vertical Structure Photodetectors Based on 2D CsPbBr3 Nanosheets." Journal of Nanoelectronics and Optoelectronics 17, no. 5 (2022): 769–74. http://dx.doi.org/10.1166/jno.2022.3250.

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Two-dimensional (2D) CsPbBr3 have received great interest in flexible photoelectric devices due to their excellent carrier mobility and tunable optical bandgap. However, it is unknown if the piezo-phototronic effects of a vertically structured 2D CsPbBr3 photodetector affect its photoelectric performance. Herein, we fabricated a vertical structure device based on 2D CsPbBr3 by using conductive atomic force microscopy and then probed its photoelectric performances under different forces. The photocurrent and on/off ratio under 450 nm laser illumination rise by up to 2.1 and 5.3 times, respectiv
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36

Iliev, I., M. Nedelchev, and E. Markov. "A Novel 2D Z-Shaped Electromagnetic Bandgap Structure." Engineering, Technology & Applied Science Research 5, no. 1 (2015): 760–63. http://dx.doi.org/10.48084/etasr.530.

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This paper researches a novel 2D Z-shaped Electromagnetic Band-Gap (EBG) structure, its dispersion diagram and application field. Based on a transmission line model, the dispersion equation is derived and theoretically investigated. In order to validate theoretical results, a full wave analysis is performed and the electromagnetic properties of the structure are revealed. The theoretical results show good agreement with the full wave simulation results. The frequency response of the structure is compared to the well know structures of Jerusalem cross and patch EBG. The results show the applica
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37

I., Iliev, Nedelchev M., and Markov E. "A Novel 2D Z-Shaped Electromagnetic Bandgap Structure." Engineering, Technology & Applied Science Research 5, no. 1 (2015): 760–63. https://doi.org/10.5281/zenodo.14904.

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This paper researches a novel 2D Z-shaped Electromagnetic Band-Gap (EBG) structure, its dispersion diagram and application field. Based on a transmission line model, the dispersion equation is derived and theoretically investigated. In order to validate theoretical results, a full wave analysis is performed and the electromagnetic properties of the structure are revealed. The theoretical results show good agreement with the full wave simulation results. The frequency response of the structure is compared to the well know structures of Jerusalem cross and patch EBG. The results show the applica
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38

Ghufron, Muhammad, Fitri Nur Indah Sari, Brahmanu Wisnu Saputro, and Jyh-Ming Ting. "Metal Doping in 2D Co3O4 for Enhanced ORR/OER Electrocatalytic Performance." ECS Meeting Abstracts MA2023-02, no. 4 (2023): 527. http://dx.doi.org/10.1149/ma2023-024527mtgabs.

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Spinel cobalt oxide or Co3O4, has been proven to be a promising material as bifunctional electrocatalyst for ORR/OER. In this study, we show further improvement of the electrocatalytic activity via metal doping. Metal-doped Co3O4 was synthesized using a simple hydrothermal method at 120° C for 24 h, followed by calcination at 400° C for 1 h. A surfactant was used to control the morphology of the sample such that either 1D or 2D structure was obtained. The 2D structure shows better electrical conductivity with Rct of 70 Ohm vs. 86 Ohm for the 1D structure. Electrochemical test show that the 2D
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39

Kalashnikov, Andrey, Andrey Tuchin, and Larisa Bityutskaja. "Electronic structure of multilayer allotropes of 2D silicon carbide." Letters on Materials 9, no. 2 (2019): 173–78. http://dx.doi.org/10.22226/2410-3535-2019-2-173-178.

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40

Ma, Linlin, Chao Cheng, Xin Zhang, and Shaoqing Wang. "First-principles study on the atomic structure of two-dimensional molybdenum boride." Materials Research Express 9, no. 3 (2022): 035002. http://dx.doi.org/10.1088/2053-1591/ac5a36.

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Abstract In recent years two-dimensional (2D) materials have attracted extensive research due to their excellent physical properties in thermoelectricity and superconductivity, etc. This interest led to both a new wave of research on known 2D materials, such as transition metal nitrides (MXene), and the discovery of many new 2D materials. Recently, the 2D metal borides Mo4/3B2−x with ordered metal vacancies were successfully synthesized. However, variable atomic structures were experimentally observed in the specimen, suggesting that more than one structure exists in this 2D material. Therefor
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41

KUIJPER, ARJAN, and ILKKA HAVUKKALA. "COMPARING BITMAPPED MICRORNA STRUCTURE IMAGES USING MUTUAL SYMMETRY." International Journal of Image and Graphics 13, no. 03 (2013): 1350008. http://dx.doi.org/10.1142/s0219467813500083.

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We present a high-throughput method for analyzing large-scale bitmapped bio-data: processing of elongated molecular structures by 2D images and analyzing their shapes for chemoinformatics databases. Two-dimensional structure databases are transfered to bitmap images — a commonly used visualization widely spread online. Then, an efficient clustering of the molecular structures is achieved by a mutual symmetry-based binary matrix representation of the shapes. We present a method to compute the difference between two of such representations and evaluate its performance with respect to time and qu
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42

Kwapiński, Tomasz, and Marcin Kurzyna. "Topological Atomic Chains on 2D Hybrid Structure." Materials 14, no. 12 (2021): 3289. http://dx.doi.org/10.3390/ma14123289.

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Mid-gap 1D topological states and their electronic properties on different 2D hybrid structures are investigated using the tight binding Hamiltonian and the Green’s function technique. There are considered straight armchair-edge and zig-zag Su–Schrieffer–Heeger (SSH) chains coupled with real 2D electrodes which density of states (DOS) are characterized by the van Hove singularities. In this work, it is shown that such 2D substrates substantially influence topological states end evoke strong asymmetry in their on-site energetic structures, as well as essential modifications of the spectral dens
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43

Yamada, Hiroko, Kazuya Miyazaki, and Kyohei Matsuo. "(Invited) An Unsymmetrical 5,15-Disubstituted Tetrabenzoporphyrin: Effect of Molecular Symmetry on the Packing Structure and Charge Transporting Property." ECS Meeting Abstracts MA2024-01, no. 13 (2024): 1060. http://dx.doi.org/10.1149/ma2024-01131060mtgabs.

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One of the key issues in the development of organic field-effect transistor (OFET) materials is the improvement of charge mobility. Since charge mobility depends on intermolecular interactions in solid state, it is important to control the crystal structure. In the current mainstream OFET materials, such as acenes and heteroacenes, which have one-dimensionally (1D) extended polycyclic aromatic frameworks, the effect of substitution on the crystal structure has been intensively studied. On the other hand, some bulky (trialkylsilyl)ethynyl-substituted derivatives such as 6,13-bis(triisopropylsil
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Reichwein, Lars, Johannes Thomas, and Alexander Pukhov. "The filamented electron bunch of the bubble regime." Laser and Particle Beams 38, no. 2 (2020): 121–27. http://dx.doi.org/10.1017/s0263034620000130.

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AbstractWe present a theory for describing the inner structure of the electron bunch in the bubble regime starting from a random distribution of electrons inside the bubble and subsequently minimizing the system's energy. Consequently, we find a filament-like structure in the direction of propagation that is surrounded by various shells consisting of further electrons. If we specify a two-dimensional (2D) initial structure, we observe a hexagonal structure for a high number of particles, corresponding to the close packing of spheres in two dimensions. The 2D structures are in agreement with th
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Zhu, Jiankai, Xiangxian Wang, Yuan Wu, et al. "Plasmonic Refractive Index Sensors Based on One- and Two-Dimensional Gold Grating on a Gold Film." Photonic Sensors 10, no. 4 (2020): 375–86. http://dx.doi.org/10.1007/s13320-020-0598-x.

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Abstract In this paper, we propose two kinds of composite structures based on the one- and two-dimensional (1D&amp;2D) gold grating on a gold film for plasmonic refractive index sensing. The resonance modes and sensing characteristics of the composite structures are numerically simulated by the finite-difference time-domain method. The composite structure of the 1D gold semi-cylinder grating and gold film is analyzed first, and the optimized parameters of the grating period are obtained. The sensitivity and figure of merit (FOM) can reach 660RIU/nm and 169RIU−1, respectively. Then, we replace
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Čubanová, Lea, Peter Dušička, Martin Orfánus, and Ján Rumann. "Redesign of an Intake Fish Pass Structure." Slovak Journal of Civil Engineering 30, no. 4 (2022): 49–54. http://dx.doi.org/10.2478/sjce-2022-0028.

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Abstract The article describes the process of redesigning the intake structure of the fish pass at the Žilina water structure in Slovakia. The existing intake structure does not meet the passability requirements for the target species of migratory fish. A design utilizing intake windows at various levels that cover fluctuations in the water level in the reservoir, which has been successfully used for other water structures, has been proposed. The new design was subjected to hydraulic calculations and simulations in the HECRAS 2D, 2D numerical model in order to achieve the required parameters s
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Guo, Xiaolong, Tian Wang, Tian Xu Zheng, et al. "Quasi-parallel arrays with a 2D-on-2D structure for electrochemical supercapacitors." Journal of Materials Chemistry A 6, no. 48 (2018): 24717–27. http://dx.doi.org/10.1039/c8ta07869f.

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Qin, Zhaoye, Delin Cui, Shaoze Yan, and Fulei Chu. "Application of 2D finite element model for nonlinear dynamic analysis of clamp band joint." Journal of Vibration and Control 23, no. 9 (2015): 1480–94. http://dx.doi.org/10.1177/1077546315594065.

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Due to frictional slippage between the joint components, clamp band joints may generate nonlinear stiffness and friction damping, which will affect the dynamics of the joint structures. Accurate modeling of the frictional behavior in clamp band joints is crucial for reliable estimation of the joint structure dynamics. While the finite element (FE) method is a powerful tool to analyze structures assembled with joints, it is computationally expensive and inefficient to perform transient analyses with three-dimensional (3D) FE models involving contact nonlinearity. In this paper, a two-dimensiona
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Shi, Li Jing, Xia Xin Tao, and Xi Su. "Site 2D Velocity Structure Imaged by Microtremors Method." Applied Mechanics and Materials 353-356 (August 2013): 2043–46. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.2043.

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In this paper, a two-step space prediction approach is developed to image site 2D velocity structures. Firstly the average Vs of each layer are fixed, the interfaces between each two soils layers are predicted by the interpolation method of bi-harmonic Green function as spline in tension, to keep soil interfaces varying smoothly in space. Furthermore, a method to determine tension coefficient is proposed based on microtremor H/V method, which makes most use of H/V information and avoids choosing the tension coefficient at will. Secondly, the variance essence of the Vs structure as a regional v
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Ariga, Katsuhiko. "2D Materials Nanoarchitectonics for 3D Structures/Functions." Materials 17, no. 4 (2024): 936. http://dx.doi.org/10.3390/ma17040936.

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It has become clear that superior material functions are derived from precisely controlled nanostructures. This has been greatly accelerated by the development of nanotechnology. The next step is to assemble materials with knowledge of their nano-level structures. This task is assigned to the post-nanotechnology concept of nanoarchitectonics. However, nanoarchitectonics, which creates intricate three-dimensional functional structures, is not always easy. Two-dimensional nanoarchitectonics based on reactions and arrangements at the surface may be an easier target to tackle. A better methodology
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