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Search for "image" in Full Text gives 1512 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Facile synthesis of platinated DNA nanoparticles with radiosensitizing potential

  • Leo Sala,
  • Tomas Perecko,
  • Antonín Kaňa and
  • Jaroslav Kočišek

Beilstein J. Nanotechnol. 2026, 17, 1117–1127, doi:10.3762/bjnano.17.76

Graphical Abstract
  • height value was set to zero, and the color scale was stretched to a range of 0–6 nm to enhance the contrast between the particles and the background. The processed images were then saved and analyzed in ImageJ for particle detection and area measurement. Each image was first converted to an 8-bit
  • grayscale image, after which image segmentation was performed by adjusting the threshold to 70–255. Particles were automatically identified using the “Analyze Particles” function with the circularity parameter set to 0–1, while excluding particles that intersected the image edges. A binary mask was also
  • generated to verify that all particles had been correctly detected. This procedure produced a table containing the projected area of each particle, calibrated in square nanometers according to the image resolution. The equivalent particle diameters were then estimated from the measured projected areas by
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Published 13 Aug 2026

Synthesis of carbon dot-mediated gold nanostructures: experimental and quantum chemical insights into turn-on fluorescence sensing of N-acetylcysteine

  • Thuy-Huong Nguyen,
  • Van-Nghia Nguyen,
  • Ha Thi Thu Nguyen,
  • Ha Ngoc Nguyen,
  • Anh Duc Nguyen,
  • Tuyen Viet Nguyen and
  • Truong Xuan Nguyen

Beilstein J. Nanotechnol. 2026, 17, 1103–1116, doi:10.3762/bjnano.17.75

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  • line). Raman spectra of NCDs and Au@NCDs. TEM images of (a) NCDs and (b) Au@NCDs and (c) DLS size distribution analysis of Au@NCDs. (a) EDX spectrum with elemental weight percentages, (b) SEM image, and elemental mapping of (c) Au and (d) C in Au@NCDs. (a) EDX spectrum with elemental weight percentages
  • , (b) SEM image, and elemental mapping of (c) Au, (d) C, (e) S, and (f) N in Au@NCDs-NAC. (a) Absorption and (b) photoluminescence spectra of NCDs and Au@NCDs (λex = 355 nm). (a) Schematic illustration of the NAC detection mechanism of the Au@NCDs probe, (b, c) spatial distributions of the HOMO and
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Published 12 Aug 2026

Electrochemical sensing of sildenafil in pharmaceutical formulations using an (S,N)-doped reduced graphene oxide-modified electrode

  • Nguyen Quang Man,
  • Ngo Thi Thanh Xuan,
  • Vo Thi Khanh Ly,
  • Le Van Thanh Son,
  • Le Duc Anh,
  • Le Thi Hong Phong,
  • Nguyen Hai Phong,
  • Pham Khac Lieu,
  • Le Lam Son and
  • Dinh Quang Khieu

Beilstein J. Nanotechnol. 2026, 17, 1087–1102, doi:10.3762/bjnano.17.74

Graphical Abstract
  • , while the oxygen signal indicates that a small amount of residual oxygen-containing functional groups remains after the reduction process. Notably, although the quantitative EDX analysis shows an extremely low nitrogen content (close to 0 atom %), the elemental mapping image still exhibits detectable N
  • fall below the reliable quantitative detection threshold, particularly in carbon-rich materials such as graphene derivatives [28][29]. Nevertheless, the mapping image qualitatively suggests the presence of trace nitrogen species distributed over the graphene surface. However, owing to the limited
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Published 11 Aug 2026

Nanoglasses: a trail towards uncharted regions of vitreous materials and their properties?

  • Gerhard Wilde and
  • Horst Hahn

Beilstein J. Nanotechnol. 2026, 17, 1047–1062, doi:10.3762/bjnano.17.72

Graphical Abstract
  • . Further confirmation of these distinct phases is provided by the cross-sectional high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) image in Figure 3c, which differentiates the glass grains and the glass–glass interface regions based on contrasting dark and bright areas
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Published 07 Aug 2026

Vibration-induced dynamic structural superlubricity on MoS2/Au(111) under ultrahigh vacuum

  • Shuyu Huang,
  • Yiming Song,
  • Antoine Hinaut,
  • Gema Navarro-Marín,
  • Antonio Cammarata,
  • Ernst Meyer and
  • Thilo Glatzel

Beilstein J. Nanotechnol. 2026, 17, 1039–1046, doi:10.3762/bjnano.17.71

Graphical Abstract
  • ) with actuation at 554 kHz. Inset: friction loop extracted along the central line of the corresponding friction map. Effect of mechanical actuation on friction. (a) Friction force image measured as a function of actuation frequency in the range of 0 to 625 kHz. Scan parameters: 1024 × 1024 pixels, 0.2
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Published 06 Aug 2026

Synthesis and characterization of RF-sputtered ZnTe/Cu2−xTe thin films for solar cell applications

  • Gerardo Arreola Jardón,
  • Susana Meraz Dávila,
  • Claudia Elena Pérez García,
  • Aime Margarita Gutiérrez Peralta and
  • Sergio Joaquín Jiménez Sandoval

Beilstein J. Nanotechnol. 2026, 17, 1016–1027, doi:10.3762/bjnano.17.69

Graphical Abstract
  • . Vibrational and structural surface properties Figure 4 shows Raman spectra and a scanning electron microscopy (SEM) image of the CuZnTeO film grown at 300 °C with a nominal Cu and O concentration of 3 atom %. The SEM image reveals an irregular surface morphology characterized by agglomerate formation with non
  • activity [28]. In contrast, the darker regions in the SEM image exhibit strong LO and 2LO Raman modes, indicating that these areas are predominantly composed of ZnTe. The spatial variation in Raman intensity supports the structural segregation observed by XRD, confirming the coexistence of ZnTe and Cu2−xTe
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Published 31 Jul 2026

Materials challenges in solid-state sensors for continuous monitoring of ions in water

  • Maryam Darestani-Farahani and
  • Peter Kruse

Beilstein J. Nanotechnol. 2026, 17, 935–973, doi:10.3762/bjnano.17.66

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Published 27 Jul 2026

Nanoparticle delivery systems for HIV pre-exposure prophylaxis (PrEP): advances and challenges

  • Sonia Zahara and
  • Björn M. Reinhard

Beilstein J. Nanotechnol. 2026, 17, 839–853, doi:10.3762/bjnano.17.60

Graphical Abstract
  • brain remains challenging due to the restrictive nature of the BBB. To address this significant challenge, Tomitaka et al. developed magneto-plasmonic liposomes (MPLs), a hybrid nanoparticle system combining magneto-plasmonic nanoparticles and liposomes loaded with TDF for a triple-modality image-guided
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Published 07 Jul 2026

Sustainable fabrication of 2D-based devices through reuse of substrates with microfabricated electrodes

  • Ying Zhang,
  • Yigit Sozen,
  • Esteban Zamora-Amo,
  • Thomas Pucher,
  • Nuria Jiménez-Arévalo,
  • Zdenek Sofer,
  • Yong Xie and
  • Andres Castellanos-Gomez

Beilstein J. Nanotechnol. 2026, 17, 818–827, doi:10.3762/bjnano.17.58

Graphical Abstract
  • distribution. All image analysis was carried out using the open-source Gwyddion software. Cleaning process The fabricated FET devices were immersed in 10 mL of N-methyl-2-pyrrolidone (Sigma-Aldrich) and ultrasonicated at 50 °C for 15 min or in repeated cycles of 15 min using an ultrasonic cleaner (from RS PRO
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Published 18 Jun 2026

Tuning the electronic properties of defect-rich MoS2

  • Eric Juriatti,
  • Martina Binninger,
  • Carolin Schüle,
  • Maren Zirwick,
  • Katarina Margetic,
  • Erika Giangrisostomi,
  • Marcus Scheele and
  • Heiko Peisert

Beilstein J. Nanotechnol. 2026, 17, 796–805, doi:10.3762/bjnano.17.56

Graphical Abstract
  • Unifit software (Unifit Scientific Software GmbH, Leipzig, Germany). The Voigt profile as a convolution of Gaussian and Lorentzian line shapes and a Shirley background was chosen. The ARPES data were processed using IGOR Pro software, subtracting a detector image for intensity correction. The 2D images
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Published 16 Jun 2026

Restorative potential of laser-synthesized silver nanoparticles with Salvia officinalis for periodontal disease treatment: an in vitro study

  • Jelena Filipović Tričković,
  • Sanja Živković,
  • Bojana Ilić,
  • Miloš Tošić,
  • Jelena Marinković,
  • Ana Valenta Šobot and
  • Miloš Momčilović

Beilstein J. Nanotechnol. 2026, 17, 781–795, doi:10.3762/bjnano.17.55

Graphical Abstract
  • distribution was measured manually, measuring at least 1000 nanoparticles using the image capture software (SemAfore, Version 5.21, Finland). Following the AgNP characterization, antibacterial testing, as well as the assessment of their effects on human GFCs was performed. Experimental design and treatments
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Published 15 Jun 2026

Substrate-dependent pore formation in molybdenum disulfide monolayers under ion irradiation

  • Yossarian Liebsch,
  • Umair Javed,
  • Lucia Skopinski,
  • Leon Daniel,
  • Franziska Appel,
  • Radia Rahali,
  • Clara Grygiel,
  • Henning Lebius,
  • Carolin Frank,
  • Lars Breuer,
  • Leon Kirsch,
  • Frieder Koch,
  • Jani Kotakoski and
  • Marika Schleberger

Beilstein J. Nanotechnol. 2026, 17, 769–780, doi:10.3762/bjnano.17.54

Graphical Abstract
  • high enough to image them efficiently in the STEM, while it is low enough to avoid frequent occurrence of overlapping pores (see Supporting Information File 1). Irradiation was performed at three different kinetic energies (20, 180, and 260 keV) in order to evaluate the influence of the kinetic energy
  • variations can make purely threshold-based edge detection unreliable. To ensure comparability with the suspended-layer reference data, which originate from our previous work, the same general procedure regarding sample preparation, STEM imaging, and image analysis was applied. Raman and PL spectroscopy Raman
  • ) compared to monolayer on SiO2 (1L). (c) In trilayer MoS2, pores are predominantly non-perforating. STEM ADF images of SHI-irradiated (a) and HCI-irradiated (b) MoS2 reveal similar pore dimensions in 1L, but, as expected, vastly different perforation behavior. Schematics below each image illustrate
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Published 12 Jun 2026

Interface-engineered Caco-2 cell culture on a collagen-coated liquid–liquid interface in a microfluidic device

  • Satoru Kuriu and
  • Soo Hyeon Kim

Beilstein J. Nanotechnol. 2026, 17, 760–768, doi:10.3762/bjnano.17.53

Graphical Abstract
  • (Figure S10vii). The samples were then incubated at room temperature for 3 h in a solution containing collagen antibody (5 μg/mL) (Figure S10ix). In the negative control experiment without collagen coating, the procedure was carried out in the same manner, except for the step shown in Figure S10ii. Image
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Published 11 Jun 2026

Tailoring Ag–Pt nanoalloys through solid-state dewetting: structural and optical insights

  • Marcin Łapiński,
  • Piotr Okoczuk,
  • Blaž Grobiša,
  • Ewa Pawlikowska,
  • Amelia Rozwadowska,
  • Wojciech Sadowski and
  • Barbara Kościelska

Beilstein J. Nanotechnol. 2026, 17, 748–759, doi:10.3762/bjnano.17.52

Graphical Abstract
  • a region with a lower film thickness at grain boundaries, which is well visible on the linear AFM profile in Figure 1 [45][46][47]. Figure 2a presents an exemplary scanning electron microscopy (SEM) image of nanostructures formed as a result of annealing of a silver–platinum bilayer with a thickness
  • were studied using UV–vis spectroscopy with a Thermo Fisher Scientific Evolution 220 double-beam spectrophotometer in transmittance mode over the range of 200–1000 nm. AFM image and profile of the as-deposited 4 nm Ag and 4 nm Pt bilayer. a) SEM image of nanostructures obtained by annealing at 650 °C
  • systems was 8 nm. All samples were subsequently annealed at 650 °C for 15 min. HR-TEM image of a cross-section of a nanoisland obtained by annealing at 650 °C for 15 min, bilayers with a thickness of: a) 4 nm Ag/4 nm Pt and b) 7 nm Ag/1 nm Pt. Detailed EDS analysis of the cross-section of the nanoisland
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Published 10 Jun 2026

Oxidative atmosphere-driven formation of single-phase spinel CuRh2O4 nanofibers for alkaline water oxidation

  • Namhee Kim,
  • Sumin Ko,
  • Sohyeon Choi,
  • Seoyoon Jang,
  • Myung Hwa Kim and
  • Dasol Jin

Beilstein J. Nanotechnol. 2026, 17, 737–743, doi:10.3762/bjnano.17.50

Graphical Abstract
  • as-prepared nanomaterials synthesized under different O2 concentrations. Peaks marked with • indicate the presence of secondary copper oxide phases (Cu2O). Deconvoluted AR-XPS spectra of Cu–Rh bimetallic oxides in the (a) Cu 2p and (b) Rh 3d regions. (a) Raman characterization and (b) HRTEM image of
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Published 27 May 2026

Molecular engineering of individual dye-based nanoparticle photostability for ultrabright two-photon fluorescence

  • Eleonore Kurek,
  • Sasha Cooper,
  • Alexandre Clausolles,
  • Karen Perronet,
  • Jonathan Daniel,
  • Mireille Blanchard-Desce and
  • François Marquier

Beilstein J. Nanotechnol. 2026, 17, 688–696, doi:10.3762/bjnano.17.48

Graphical Abstract
  • cross sections for one dye 1 (green) or dye 2 (red) molecule, measured as dFONs molecular subunits of respectively dFONs(1) and dFONs(2) [11]. The beaker image in Figure 1b was reproduced from “Beaker” icon, Copyright 2019 by CHARIE Tristan from thenounproject.com, distributed under the terms of the
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Published 22 May 2026

Decontamination from water pollutants and pathogens by electrospun nanofibers doped with heavy-atom-free borafluorene-BODIPY photosensitizers

  • Angelika Zaszczyńska,
  • Paulina H. Marek-Urban,
  • Karolina Wrochna,
  • Agnieszka E. Kuklewska,
  • Kacper Kręgielewski,
  • Marta Grodzik,
  • Dawid R. Natkowski,
  • Jolanta Mierzejewska,
  • Ewa Iwanek,
  • Agata Blacha-Grzechnik,
  • Paweł Sajkiewicz and
  • Krzysztof Durka

Beilstein J. Nanotechnol. 2026, 17, 668–682, doi:10.3762/bjnano.17.46

Graphical Abstract
  • (1.00 wt %)@PCL in (a) EDX measurements (SEM image and elemental maps of C, O, N, and B) and (b) ToF SIMS measurements (total ion count and m/z = 11 ion map). Emission spectrum of singlet oxygen for 1(0.50 wt %)@PCL excited at λex = 520 nm. The emission spectrum of singlet oxygen for PCL@1(1.00 wt %) is
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Published 20 May 2026

afspm: A framework for manufacturer-agnostic automation in scanning probe microscopy

  • Nicholas J. Sullivan,
  • Julio J. Valdés,
  • Kirk H. Bevan and
  • Peter Grutter

Beilstein J. Nanotechnol. 2026, 17, 653–667, doi:10.3762/bjnano.17.45

Graphical Abstract
  • the method “find_positions” invoking a pre-trained machine learning classifier, or predefined image processing logic. The determined positions are sent over IPC to the experiment script (“[experiment]” in Figure 7c), which, upon receipt, stores them in an internal data structure for later use. This
  • (AM-AFM) or frequency-modulated atomic force microscopy (FM-AFM)) and spectroscopic mode (e.g., IV curves or force spectroscopy), which we believe is justifiable as part of the experimental setup. This base set of operations gives the user a reasonable degree of flexibility: One could design an image
  • instruments’ communication interfaces, and may benefit from similar frameworks. We particularly highlight optical and electron microscopy as these instruments share common experimental workflows (e.g., searching a wider region to determine where to image) and may benefit from direct repurposing of automation
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Published 18 May 2026

Two-step laser synthesis of Ag@TiO2 nanomaterials for the photocatalytic degradation of rhodamine B

  • Marija Kovačević,
  • Miloš Tošić,
  • Rafaela Radičić,
  • Vladimir Rajić,
  • Nikša Krstulović,
  • Miloš Momčilović and
  • Sanja Živković

Beilstein J. Nanotechnol. 2026, 17, 622–634, doi:10.3762/bjnano.17.43

Graphical Abstract
  • the titanium plate are given in Figure 2a and Figure 3a alongside the distribution of titanium (pink) and oxygen (blue), and silver (yellow) according to the elemental mapping obtained from the EDS analysis. SEM-SE images generated using a focused electron beam to image sample surfaces at high
  • photocatalyst (Ag@TiO2 200p or Ag@TiO2 2000p) was deposited onto a carbon-coated copper grid and left to dry under ambient conditions. ImageJ software, version 1.54 g, was used for image analysis and interplanar distance computations. Measurements of particle size distribution, zeta potential, and
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Published 11 May 2026

Probing tribological evolution in atomically thin MoS2 at different scales

  • Xingzhong Zeng and
  • Miao Zhang

Beilstein J. Nanotechnol. 2026, 17, 586–597, doi:10.3762/bjnano.17.40

Graphical Abstract
  • MoS2 on the rough substrate is determined by combining the cross-sectional height profile and the Raman spectra. The height profiles in topographic image are carefully located in the fluctuation direction of rough substrate. Thus, the thicknesses of MoS2 on the rough substrate along the black and red
  • height profiles are about 0.7 and 1.8 nm, respectively. Figure 1a shows an experimentally obtained typical AFM topographic image of atomically thin MoS2 on the SiO2/Si substrate, with cross-sectional height profiles measured from the same sample in the insets. The rough substrate (Ra = 0.605 ± 0.079 nm
  • -friction coatings, high-efficiency lubricants, and durable MEMS/NEMS. (a) AFM topographic image of atomically thin MoS2 along with the cross-sectional height profiles in the insets. (b) AFM phase image corresponding to the topographic image along with the cross-sectional profiles in the insets. (c, d
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Published 06 May 2026

Impacts of annealing on structural and photophysical properties of zinc phthalocyanine adsorbed on graphene

  • Gautier Creutzer,
  • Quentin Fernez,
  • Nataliya Kalashnyk,
  • Zohreh Safarzadeh,
  • Lydia Sosa Vargas,
  • Céline Fiorini-Debuisschert,
  • Nicolas Fabre and
  • Fabrice Charra

Beilstein J. Nanotechnol. 2026, 17, 576–585, doi:10.3762/bjnano.17.39

Graphical Abstract
  • , showing that the annealing produces a replacement of one peak by the other rather than a continuous spectral shift of the peak. One can notice a small shoulder at 711 nm already present before any annealing (Figure 1a, blue curve). The hyperspectral 1D image (Figure 1b) shows that at optical spatial
  • substrate) the ZnPc STM image recenters on the central Zn atom and the visibility of the TSB35-C12 conjugated cores, relative to ZnPc, is improved. Such a better resolution (i.e., a smaller spot size produced by the central Zn atom) is also characteristic of reduced fluctuations through a tighter anchoring
  • ) as the input illumination. The reference was acquired on a clean glass cover plate. The transmitted signal was collected through the objective lens and sent to the detection chain to construct a 1D hyperspectral image reported either in dark-background-corrected absorption (100 × (1 − T/Treference
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Published 05 May 2026

Electrochemical determination of ciprofloxacin using a MIL-101/reduced graphene oxide-modified electrode

  • Nguyen Quang Man,
  • Nguyen Ngoc Nghia,
  • Nguyen Vinh Phu,
  • Vo Thi Khanh Ly,
  • Le Lam Son,
  • Pham Khac Lieu,
  • Le Thi Hong Phong,
  • Nguyen Dinh Luyen and
  • Dinh Quang Khieu

Beilstein J. Nanotechnol. 2026, 17, 541–554, doi:10.3762/bjnano.17.35

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  • -101/rGO with various mass ratios, (c) Raman spectra of GO, rGO and MIL-101, and (d) Raman spectra of MIL-101/rGO with various mass ratios. EDX elemental mapping and elemental composition of MIL-101/rGO (3.3), (a) EDX spectrum, (b) electron image, (c) chromium element mapping, (d) oxygen element
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Published 21 Apr 2026

Defects and defect-mediated engineering of two-dimensional materials: challenges and open questions

  • Arkady V. Krasheninnikov,
  • Matthias Batzill,
  • Anouar-Akacha Delenda,
  • Marija Drndić,
  • Chris Ewels,
  • Katharina J. Franke,
  • Mahdi Ghorbani-Asl,
  • Alexander Holleitner,
  • Ado Jorio,
  • Ute Kaiser,
  • Daria Kieczka,
  • Hannu-Pekka Komsa,
  • Jani Kotakoski,
  • Manuel Längle,
  • David Lamprecht,
  • Yun Liu,
  • Steven G. Louie,
  • Janina Maultzsch,
  • Thomas Michely,
  • Katherine Milton,
  • Anna Niggas,
  • Hanako Okuno,
  • Joshua A. Robinson,
  • Marika Schleberger,
  • Bruno Schuler,
  • Alexander Shluger,
  • Kazu Suenaga,
  • Kristian S. Thygesen,
  • Richard A. Wilhelm,
  • E. Harriet Åhlgren and
  • Carla Bittencourt

Beilstein J. Nanotechnol. 2026, 17, 454–488, doi:10.3762/bjnano.17.31

Graphical Abstract
  • phase diagram based on the D/G ratio and the G band linewidth to disentangle and quantify the amount of point and line defects in graphene (Figure 6) [114]. We have not achieved, so far, the capability to image the atomic structure of the defects with Raman spectroscopy. Even nano-Raman still lacks
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Published 31 Mar 2026

Beam shaping techniques for pulsed laser ablation in liquids: Unlocking tunable control of nanoparticle synthesis in liquids

  • Sergio Molina-Prados,
  • Nadezhda M. Bulgakova,
  • Alexander V. Bulgakov,
  • Jesus Lancis,
  • Gladys Mínguez Vega and
  • Carlos Doñate-Buendia

Beilstein J. Nanotechnol. 2026, 17, 309–342, doi:10.3762/bjnano.17.22

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Published 16 Feb 2026

Calculation of the dynamic stiffness of a cantilever under torsional oscillation

  • Keita Nishida,
  • Yuuki Yasui and
  • Yoshiaki Sugimoto

Beilstein J. Nanotechnol. 2026, 17, 303–308, doi:10.3762/bjnano.17.21

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  • -dimensional force maps obtained using vertical oscillation. (a) Schematic image of a model cantilever. (b) Side view of the cantilever. A tip with a moment of inertia μI is at x = l. (c) Displacement in the torsional direction for the static deformation (blue) and the dynamic deformation in fundamental mode
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Published 13 Feb 2026
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