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167 results for “Twist”
Data for: Terahertz orbital angular momentum modes with flexible twisted hollow core antiresonant fiber
<p>Supporting data for the published work on "Terahertz orbital angular momentum modes with flexible twisted hollow core antiresonant fiber". The data here reported are all the necessary data to reproduce the figures in the paper both measurements an simulations (except for the analytical results, which are obtained directly from the formulas included in the paper). The Info file describes each file, how they have been obtained and what they have been used for. </p>
Twist Whole-Exome Sequencing Dataset - High Coverage - WGGC SIG4 Benchmarking
<p>GIAB Reference Genome for Benchmarking Initiatives in the West German Genome Center (WGGC) - SIG4. </p> <p>Twist Whole-Exome Sequencing Dataset - High Coverage - 200M Reads.</p> <p> </p> <p> </p>
Data on Quasi-1D Moiré superlattices in self-twisted two-allotropic antimonene heterostructures
<p><span> 1. LEED patterns collected for α-Sb and β-Sb phases deposited on W(110) substrate. The diffraction pattern acquired for a clean W(110) substrate with an electron energy of 46 eV and the μLEED patterns collected for α-Sb and β-Sb phases with electron energies of 43 eV and 23 eV, res</span></p> <p><span>E 2. LEEM images collected during deposition of Sb on W(110) substrate at 130 °<span>C. </span>All LEEM images were collected with an electron energy of 6.75 eV and <span>FOV = 10 μm</span>.</span></p> <p><span><span>3 3. </span></span><span>The set of micro LEED images showing isotropic character of the orientation of β-Sb inclusions on α-Sb layer in β-Sb/ α-Sb heterostructure.</span></p> <p><span><span>4 4. </span></span><span>μLEED patterns recorded for the α‑Sb phase and the β-Sb/α‑Sb heterostructure collected with electron energies of 43 eV and <a name="_Hlk160621262"></a>26 eV, respectively.</span></p>
Tibial apophysis slightly curved outward as seen from below (F1); embolus twisted with deep indentation, appearing bifid (F2) in An of Zelotibia (Araneae, Gnaphosidae), a spider genus with a species swarm in the Albertine Rift
Tibial apophysis slightly curved outward as seen from below (F1); embolus twisted with deep indentation, appearing bifid (F2)
Figure 4. Iporangaia pustulosa male twisting the right tarsus IV in Mode of use of sexually dimorphic glands in a Neotropical harvestman (Arachnida: Opiliones) with paternal care
Figure 4. Iporangaia pustulosa male twisting the right tarsus IV, rubbing it against the substrate (seta).
Images for "Nano-scale magnetic skyrmions in metallic films and multilayers: a new twist for spintronics"
<p>Magnetic skyrmions are chiral quasiparticles that show promise for the transportation and storage of information. On a fundamental level, skyrmions are model systems for topologically protected spin textures and can be considered as the counterpart of topologically protected electronic states, emphasizing the role of topology in the classification of complex states of condensed matter. Recent impressive demonstrations of control of individual nanometer-scale skyrmions—including their creation, detection, manipulation and deletion—have raised expectations for their use in future spintronic devices, including magnetic memories and logic gates. From a materials perspective, it is remarkable that skyrmions can be stabilized in ultrathin transition metal films, such as Fe—one of the most abundant elements on earth—if these are in contact with materials that exhibit high spin-orbit coupling. At present, research in this field is focused on the development of transition-metal-based magnetic multilayer structures that support skyrmionic states at room temperature and allow for precise control of skyrmions by spin-polarized currents and external fields.</p>
Twisted epitaxy of gold nanodiscs grown between twisted substrate layers of molybdenum disulfide
<p>We expand the concept of epitaxy to a regime of "twisted epitaxy" with the epilayer crystal orientation between two substrates influenced by their relative orientation. We annealed nanometer-thick gold (Au) nanoparticles between two substrates of exfoliated hexagonal molybdenum disulfide (MoS<sub>2</sub>) with varying orientation of their basal planes with a mutual twist angle from 0° to 60°. Transmission electron microscopy studies show that the Au alignment is midway between that of the top and bottom MoS<sub>2</sub> when the twist angle of the bilayer is small (< ~7°). For larger twist angles, Au has only a small misorientation with the bottom MoS<sub>2</sub> that varies approximately sinusoidally with the twist angle of the bilayer MoS<sub>2</sub>. Four-dimensional scanning transmission electron microscopy analysis further reveals a periodic strain variation (< |±0.5%|) in the Au nanodiscs associated with the twisted epitaxy, consistent with the Moiré registry of the two MoS<sub>2</sub> twisted layers.</p>
Topological superconductivity in twisted bilayer WSe2: single band t-J model
<p>Dataset of results related with the theoretical analysis of topological unconventional superconducting state within the t-J model as applied to the description of the twisted bilayer WSe2. The code in c++ which was used to produce the data is also provided. This data set is a result of research which was founded by National Science Centre, Poland (NCN) according to decision 2021/42/E/ST3/00128. </p>
Infrared Spectroscopy for Diagnosing Superlattice Minibands in Magic-angle Twisted Bilayer Graphene
Open the record for dataset details and reuse information.
Dataset of the publication: Multistep magnetization switching in orthogonally twisted ferromagnetic monolayers
<p>Dataset of the publication: Multistep magnetization switching in orthogonally twisted ferromagnetic monolayers</p> <p>DOI: <span>10.1038/s41563-023-01735-6</span></p> <p>Boix-Constant, C; Jenkins, S; Rama-Eiroa, R; Santos, EJG; Mañas-Valero, S; Coronado, E</p> <p>Nat. Mater. 23, 212–218 (2024)</p>
Experimental data for "Electric field drives Chern transition in Hofstadter bands of twisted double bilayer graphene"
<p>This experimental dataset was used in our study of "Electric field drives Chern transition in Hofstadter bands of twisted double bilayer graphene".</p>
Data from: Twist and chew: three dimensional tongue kinematics during chewing in macaque primates
<p>Three-dimensional (3D) tongue movements are central to performance of feeding functions by mammals and other tetrapods, but 3D tongue kinematics during feeding are poorly understood. Tongue kinematics were recorded during grape chewing by macaque primates using biplanar videoradiography. Complex shape changes in the tongue during chewing are dominated by a combination of flexion in the tongue's sagittal planes and roll about its long axis. As hypothesized for humans, in macaques during tongue retraction the middle (molar region) of the tongue rolls to the chewing (working) side simultaneous with sagittal flexion, while the tongue tip flexes to the other (balancing) side. Twisting and flexion reach their maxima early in the fast close phase of chewing cycles, positioning the food bolus between the approaching teeth prior to the power stroke. Although 3D tongue kinematics undoubtedly vary with food type, the mechanical role of this movement—placing the food bolus on the post-canine teeth for breakdown—is likely to be a powerful constraint on tongue kinematics during this phase of the chewing cycle. The muscular drivers of these movements are likely to include a combination of intrinsic and extrinsic tongue muscles.</p>
CO co-feeding effect in CH3Cl coupling over ZSM-5 zeolite: pressure twists the plot
<p>Dataset supporting the article 'CO co-feeding effect in CH3Cl coupling over ZSM-5 zeolite: pressure twists the plot', by Z. Zhang, M. Vanni, X. Wu, P. Hemberger, A. Bodi, S. Mitchell, and J. Pérez-Ramírez.</p>
Dataset: Twist Bioscience Corporation (TWST) Stock Performance
This dataset provides historical stock market performance data for specific companies. It enables users to analyze and understand the past trends and fluctuations in stock prices over time. This information can be utilized for various purposes such as investment analysis, financial research, and market trend forecasting.
Figure data for Dynamical Correlations and Order in Magic-Angle Twisted Bilayer Graphene
<p>This repository contains the data corresponding to all figures in the main text of the 2024 (to appear) Phys. Rev. X article <em>Dynamical Correlations and Order in Magic-Angle Twisted Bilayer Graphene</em>. See README for notes on how to access. </p> <p>The simulation code used to generate this data is available on github.<br>w2dynamics simulations: <a href="https://github.com/lcrippa/w2dynamics-matbg-symmetric">https://github.com/lcrippa/w2dynamics-matbg-symmetric</a><br>TRIQS simulations: <a href="https://github.com/gautamra/TBLG_ordered">https://github.com/gautamra/TBLG_ordered</a></p>
Transport effects of twist-angle disorder in mesoscopic twisted bilayer graphene
<p>Magic-angle twisted bilayer graphene is a tunable material with remarkably flat energy bands near the Fermi level, leading to fascinating transport properties and correlated states at low temperatures. However, grown pristine samples of this material tend to break up into landscapes of twist-angle domains, strongly influencing the physical properties of each individual sample. This poses a significant problem to the interpretation and comparison between measurements obtained from different samples. In this work, we study numerically the effects of twist-angle disorder on quantum electron transport in mesoscopic samples of magic-angle twisted bilayer graphene. We find a significant property of twist-angle disorder that distinguishes it from onsite-energy disorder: it leads to an asymmetric broadening of the energy-resolved conductance. The magnitude of the twist-angle variation has a strong effect on conductance, while the number of twist-angle domains is of much lesser significance. We further establish a relationship between the asymmetric broadening and the asymmetric density of states of twisted bilayer graphene at angles smaller than the first magic angle. Our results show that the qualitative differences between the types of disorder in the energy-resolved conductance of twisted bilayer graphene samples can be used to characterize them at temperatures above the critical temperatures of the correlated phases, enabling systematic experimental studies of the effects of the different types of disorders also on the other properties such as the competition of the different types of correlated states appearing at lower temperatures.</p> <p>The provided repository contains all data and scripts to reproduce the figures of the manuscript. </p>
Text-fig. 6. Scanning electron microscope (SEM) images of megaspores (a–c) and attached microspores (c, d) with possible affinities to Salviniales; Torres Vedras locality, Portugal. a) Lateral view of Molaspora sp. megaspore showing almost spherical body with a relatively long apical acrolamella; b) Apical view of Molaspora sp. megaspore showing almost spherical body with slightly twisted apical acrolamella; c, d) Lateral view of Arcellites punctatus megaspore showing coarsely rugulate body and apical acrolamella with attached microspores (d). Specimens, TV39-S174616 (a), TV38-S170224 (b), TV43-S170169 (c, d). Scale bars 100 Μm (a–c), 25 Μm (d). in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 6. Scanning electron microscope (SEM) images of megaspores (a–c) and attached microspores (c, d) with possible affinities to Salviniales; Torres Vedras locality, Portugal. a) Lateral view of Molaspora sp. megaspore showing almost spherical body with a relatively long apical acrolamella; b) Apical view of Molaspora sp. megaspore showing almost spherical body with slightly twisted apical acrolamella; c, d) Lateral view of Arcellites punctatus megaspore showing coarsely rugulate body and apical acrolamella with attached microspores (d). Specimens, TV39-S174616 (a), TV38-S170224 (b), TV43-S170169 (c, d). Scale bars 100 Μm (a–c), 25 Μm (d).
Source: Photos courtesy of M.M. Le Roux (a–d) and K.S. Mashego (e–f) FIGURE 1: Morphological characters of Thesium confine (a, d, e) and T. durum (b, c, f) showing (a) the scale-like leaves found in both species; (b) involucral bracts that are invariably present in T. durum; (c) longitudinal section of a flower showing the dense hairs on the perianth lobes, stigma opposite the anthers and the twisted placental column; the habit of (d) T. confine and typical herbarium specimens of (e) T. confine and (f) T. durum. in A taxonomic evaluation of the Thesium confine species complex (Santalaceae)
Source: Photos courtesy of M.M. Le Roux (a–d) and K.S. Mashego (e–f) FIGURE 1: Morphological characters of Thesium confine (a, d, e) and T. durum (b, c, f) showing (a) the scale-like leaves found in both species; (b) involucral bracts that are invariably present in T. durum; (c) longitudinal section of a flower showing the dense hairs on the perianth lobes, stigma opposite the anthers and the twisted placental column; the habit of (d) T. confine and typical herbarium specimens of (e) T. confine and (f) T. durum.
Data for the central values of L-functions of elliptic curves twisted by Dirichlet characters and their algebraic and integer values
<p>The data set contains the source codes for two command line programs to compute the numerical values of the central L-values of the L-functions of elliptic curves twisted by primitive Dirichlet characters and their related arithmetic values.</p> <p>twists-main.zip contains two command line programs: twists_clve and twists_ailve. They can be used to calculate the values of the dataset.</p> <p>twists_clve_data.zip contains the E_k_X_central_l_values.npz files including the arithmetic values of those central L-values. </p> <p>twists_ailve_data.zip contains the E_k_X_alg_int_l_values.zip files including the arithmetic values of their algebraic and integer values.</p> <p>One can unzip them on your local system and read the data directly with twists_ailve on SageMath. For more detailed and updated information regarding the dataset, consult the author's GitHub repository or personal website.</p> <p>Author's personal website: <a href="http://jbnam.github.io/">https://jbnam.github.io/</a><br> GitHub repository: <a href="http://github.com/jbnam/twists/">https://github.com/jbnam/twists/</a></p>
Transport signatures of Van Hove singularities in mesoscopic twisted bilayer graphene
<p>Magic-angle twisted bilayer graphene exhibits quasi-flat low-energy bands with Van Hove singularities close to the Fermi level. These singularities play an important role in the exotic phenomena observed in this material, such as superconductivity and magnetism, by amplifying electronic correlation effects. In this work, we study the correspondence of four-terminal conductance and the Fermi surface topology as a function of the twist angle, pressure, and energy in mesoscopic, ballistic samples of small-angle twisted bilayer graphene. We establish a correspondence between features in the wide-junction conductance and the presence of van Hove singularities in the density of states. Moreover, we identify additional transport features, such as a large, pressure-tunable minimal conductance, conductance peaks coinciding with non-singular band crossings, and unusually large conductance oscillations as a function of the system size. Our results suggest that twisted bilayer graphene close the magic angle is a unique system featuring simultaneously large conductance due to the quasi-flat bands, strong quantum non-linearity due to the Van Hove singularities and high sensitivity to external parameters, which could be utilized in high-frequency device applications and sensitive detectors.</p> <p>The provided repository contains all data and scripts to reproduce the figures of the manuscript. In the new version of the repository we also provide scripts to create finite samples for conductance calculations and to create periodic samples for band structure calculations.</p>
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