Quantitative wear evaluation of tips based on sharp structures

• Ke Xu and
• Houwen Leng

Beilstein J. Nanotechnol. 2024, 15, 230–241, doi:10.3762/bjnano.15.22

• ) Reconstructed 3D model of the tip and (b) reconstructed probe contour map. Changes of the ETD determined with AFM and SEM. Wear test procedure. (a) 3D reconstruction of the tip topography with the TipCheck sample before scanning, (b) wear test, and (c) 3D reconstruction of the tip topography with the TipCheck

A new method for obtaining the magnetic shape anisotropy directly from electron tomography images

• Cristian Radu,
• Ioana D. Vlaicu and
• Andrei C. Kuncser

Beilstein J. Nanotechnol. 2022, 13, 590–598, doi:10.3762/bjnano.13.51

• diffractometer. MAUD software has been used for Rietveld refinement. Software Description Magn3t is using as main input data a previously 3D reconstructed volume of voxels. There is a wide range of solutions for 3D reconstruction of image series provided either for micro tomography or electron tomography (Avizo

• better 3D reconstruction. The filtering utility can be used independently from the Magn3t software on any aligned experimental tilt series in the common mrc format. Results and Discussion In order to demonstrate both capabilities and limits of the software, two examples are considered, that is, (i) an

• utility for filtering images from a tilt series prior to 3D reconstruction has been shown to improve the quality of 3D reconstruction of a magnetite MNPs system. Thus, it is of potentially high interest in the field of electron tomography, where the diffraction contrast is highly undesired and, in many

Bio-imaging with the helium-ion microscope: A review

• Matthias Schmidt,
• James M. Byrne and
• Ilari J. Maasilta

Beilstein J. Nanotechnol. 2021, 12, 1–23, doi:10.3762/bjnano.12.1

• Souza and Attias nicely placed HIM imaging in the context of high-resolution SEM, environmental SEM, cryo-SEM, the usage of cyto-chemistry, and 3D reconstruction with focused ion beam SEM and TEM [85]. Biofilms The large depth of field, the efficient charge compensation and the strong edge contrast make

3D superconducting hollow nanowires with tailored diameters grown by focused He⁺ beam direct writing

• Rosa Córdoba,
• Alfonso Ibarra,
• Dominique Mailly,
• Isabel Guillamón,
• Hermann Suderow and
• José María De Teresa

Beilstein J. Nanotechnol. 2020, 11, 1198–1206, doi:10.3762/bjnano.11.104

• the tilt series was ±70° with pictures taken every 1°. Image alignment and 3D reconstruction was carried out with FEI tomography acquisition software Inspect 3D after the acquisition of 140 images. The movies of the tomographic reconstruction for each hollow NW were performed using Amira 3D software

Luminescent gold nanoclusters for bioimaging applications

• Nonappa

Beilstein J. Nanotechnol. 2020, 11, 533–546, doi:10.3762/bjnano.11.42

• fluorescence imaging at time intervals of 1, 5 and 24 h after intravenous injection of AuZwMe2. (E) (a) LIBS measurement of kidney slices 30 min, 1 h, and 24 h post-injection of AuZwMe2 NCs. LIBS measurement of (b) spleen and (c) liver slices 30 min and 24 h post-injection of AuZwMe2. (d) False-color 3D

• reconstruction of 600 μm thickness of a mouse liver 5 h post-injection of AuZwMe2 by means of X-ray phase-contrast tomography imaging. F) In vivo whole-body fluorescence imaging 5 and 24 h after intravenous injection of AuZwMe2 or Au25GSH18. G) Ex vivo fluorescence imaging of the tumor (top) and muscle (bottom

Multilayer capsules made of weak polyelectrolytes: a review on the preparation, functionalization and applications in drug delivery

• Varsha Sharma and
• Anandhakumar Sundaramurthy

Beilstein J. Nanotechnol. 2020, 11, 508–532, doi:10.3762/bjnano.11.41

Highly ordered mesoporous silica film nanocomposites containing gold nanoparticles for the catalytic reduction of 4-nitrophenol

• Mohamad Azani Jalani,
• Leny Yuliati,
• Siew Ling Lee and
• Hendrik O. Lintang

Beilstein J. Nanotechnol. 2019, 10, 1368–1379, doi:10.3762/bjnano.10.135

• 200 kV. For the TEM tomography, the sample was visualized using a Hitachi HT7700 instrument for high-resolution imaging at low accelerating voltage (80 kV) where the 3D reconstruction was performed using a Hitachi EMIP tomography acquisition. Thermogravimetric analysis (TGA) was performed using a

Absence of free carriers in silicon nanocrystals grown from phosphorus- and boron-doped silicon-rich oxide and oxynitride

• Daniel Hiller,
• Julian López-Vidrier,
• Keita Nomoto,
• Michael Wahl,
• Wolfgang Bock,
• Tomáš Chlouba,
• František Trojánek,
• Sebastian Gutsch,
• Margit Zacharias,
• Dirk König,
• Petr Malý and
• Michael Kopnarski

Beilstein J. Nanotechnol. 2018, 9, 1501–1511, doi:10.3762/bjnano.9.141

• method to reveal structural details of impurity elements in Si NCs [20][21]. In order to determine the incorporation of P-atoms into Si NCs, APT was measured for samples with SRO:P-0.59 atom % (for an image of a typical 3D-reconstruction see Figure 2a) and SRON:P-0.71 atom %. The mass spectra can be

Towards 3D crystal orientation reconstruction using automated crystal orientation mapping transmission electron microscopy (ACOM-TEM)

• Aaron Kobler and
• Christian Kübel

Beilstein J. Nanotechnol. 2018, 9, 602–607, doi:10.3762/bjnano.9.56

• ), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany 10.3762/bjnano.9.56 Abstract To relate the internal structure of a volume (crystallite and phase boundaries) to properties (electrical, magnetic, mechanical, thermal), a full 3D reconstruction in combination with in situ testing is

• the help of a dedicated TEM tomography sample holder is an accurate 3D reconstruction of the TEM lamella currently possible. 2D crystal orientation mapping has become a standard method for crystal orientation and phase determination while 3D crystal orientation mapping have been reported only a few

• typically required tilt series for 3D reconstruction enables not only faster in situ tests but also opens the possibility for more stable and more accurate in situ mechanical testing. The approach laid out here should serve as an inspiration for further research and does not make a claim to be complete

Periodic structures on liquid-phase smectic A, nematic and isotropic free surfaces

• Anna N. Bagdinova,
• Evgeny I. Demikhov,
• Nataliya G. Borisenko,
• Sergei M. Tolokonnikov,
• Gennadii V. Mishakov and
• Andrei V. Sharkov

Beilstein J. Nanotechnol. 2018, 9, 342–352, doi:10.3762/bjnano.9.34

• substrate a) without a material; b) a 3D reconstruction of the display with a very thin LC film. Schematic diagram of the CryoSNOM produced by CDP System Corp. (http://www.cdpsystems.com/moscan.html). SEM photo of the SNOM probe in the topographical regime, where the scales represent Al metallization

Nanoprofilometry study of focal conic domain structures in a liquid crystalline free surface

• Anna N. Bagdinova,
• Evgeny I. Demikhov,
• Nataliya G. Borisenko and
• Sergei M. Tolokonnikov

Beilstein J. Nanotechnol. 2017, 8, 2544–2551, doi:10.3762/bjnano.8.254

• different sizes and depths. A 3D reconstruction of the surface is represented in the Figure 2b and its top view in Figure 2c. The range of the depth from the lowest to the highest part (peak-to-valley) is 408 nm. Figure 2d shows a line profile along the line in Figure 2c, where the depth of the biggest

• gives us the thickness of the object. The results of the experiment are displayed the computer interface, as demonstrated in Figure 6. In the right-bottom panel of Figure 6, an interference pattern of the LC film before the calculations is shown in real time. The software enables the 3D reconstruction

• substrate. Interferometric surface structure analyzer (ISSA) study of the liquid crystal (LC) 8CB free surface in smectic-A phase at T = 30 °C on the LC display substrate. The maximal thickness of the droplet in the top is 53 μm. (a) demonstrates a real view of the surface structure, (b) is a 3D

Self-assembly of silicon nanowires studied by advanced transmission electron microscopy

• Marta Agati,
• Guillaume Amiard,
• Vincent Le Borgne,
• Paola Castrucci,
• Richard Dolbec,
• Maurizio De Crescenzi,
• My Alì El Khakani and
• Simona Boninelli

Beilstein J. Nanotechnol. 2017, 8, 440–445, doi:10.3762/bjnano.8.47

• TEM sample holder. However, to achieve an accurate 3D reconstruction, all the images of the series should obey the “projection requirement”, which states that the intensity of each micrograph must be a monotonic function of the physical property of the object [9]. It is well known that conventional

• yellow, the two SiNWs in green, the two nanoparticles in darkish red and the carbon support layer in blue in Figure 3. From this 3D reconstruction, we can conclude that the nanoparticles are located on the top of the SiNWs, and are not embedded inside of them, as it could be misleadingly inferred by a

Possibilities and limitations of advanced transmission electron microscopy for carbon-based nanomaterials

• Xiaoxing Ke,
• Carla Bittencourt and
• Gustaaf Van Tendeloo

Beilstein J. Nanotechnol. 2015, 6, 1541–1557, doi:10.3762/bjnano.6.158

• -based nanomaterials are then reviewed, including structural imaging at atomic resolution and in three-dimensional (3D) reconstruction, spectroscopy of the chemistry at defects and interfaces, and in situ TEM under external stimuli along with dynamic TEM. 2 Basics of TEM: Lower the voltage 2.1 Aberration

• review paper on 3D electron tomography published by P. Midgley in 2003 [80]. Detailed discussions on data acquisition [80][81] and the reconstruction algorithm [82] can be found elsewhere. The result of the 3D reconstruction of a Pd–CNT interface is in parts presented in Figure 5i–l [83]. It has been

• straightforward manner. Following the large improvement in the spatial resolution of 2D imaging, atomically resolved 3D reconstruction has been achieved and demonstrated on Au nanorods [84]. Encouragingly, only a few projections are required for the reconstruction thanks to an improvement of the reconstruction

Tattoo ink nanoparticles in skin tissue and fibroblasts

• Colin A. Grant,
• Peter C. Twigg,
• Richard Baker and
• Desmond J. Tobin

Beilstein J. Nanotechnol. 2015, 6, 1183–1191, doi:10.3762/bjnano.6.120

• . 3D reconstruction of AFM image on non-tattoo portion of the skin tissue under aqueous conditions (UHQ water). Light microscopy view of stained adult human tattooed arm skin. (a) Large deposits of dark ink particles distributed in a clumped manner in the dermis; scale bar 75 μm. (b) A deep dermal

High sensitivity and high resolution element 3D analysis by a combined SIMS–SPM instrument

• Yves Fleming and
• Tom Wirtz

Beilstein J. Nanotechnol. 2015, 6, 1091–1099, doi:10.3762/bjnano.6.110

• reconstruction of the sputtered volume. Figure 5 shows the NanoSIMS 2D mapping of the 24Mg16O− secondary ion signal summed over 60 layers (a), the traditional (b) and the combined SIMS–SPM (d) 3D reconstruction of the SIMS sputtered volume as well as the sample topography image after sputtering (c) of a polymer

• nanoparticles over most of the sample analysis depth (60 frames) is due to the lack of topography information in the traditional NanoSIMS 3D reconstruction. From Figure 5d it can be deduced, that due to the variation in sputtering rate between the embedded nanoparticles and the polymer matrix, the initially

• biological samples or polymer matrices are mapped. Hence, the example of the Mg nanoclusters embedded inside a polymer matrix nicely illustrates that the 3D reconstruction combining the chemical information from SIMS and the topography information from AFM is more accurate than the traditional SIMS 3D

The influence of molecular mobility on the properties of networks of gold nanoparticles and organic ligands

• Edwin J. Devid,
• Paulo N. Martinho,
• M. Venkata Kamalakar,
• Úna Prendergast,
• Christian Kübel,
• Tibebe Lemma,
• Jean-François Dayen,
• Tia. E. Keyes,
• Bernard Doudin,
• Mario Ruben and
• Sense Jan van der Molen

Beilstein J. Nanotechnol. 2014, 5, 1664–1674, doi:10.3762/bjnano.5.177

• ). From a 3D reconstruction of a multilayered Au-NP–S-BPP network, we find indeed that the S-BPP functionalized gold nanoparticles not only form a packed array separated by organic S-BPP molecules in 2D, but also enable sterically driven ordering of gold nanoparticles layers in a partial multi-stack

Precise quantification of silica and ceria nanoparticle uptake revealed by 3D fluorescence microscopy

• Adriano A. Torrano and
• Christoph Bräuchle

Beilstein J. Nanotechnol. 2014, 5, 1616–1624, doi:10.3762/bjnano.5.173

• images are loaded, it will execute a series of ImageJ commands to accomplish its goals. The initial part (files selection, input of analysis parameters and 3D reconstruction of the cell) are user-assisted. After these preliminary steps, automatic processing takes place (Figure 1). Particle_in_Cell-3D

• quenching experiments. It was shown that the typical width of the membrane region is about 1.4 µm and that our method is able to create a 3D reconstruction of the cell. As regards the accuracy, the counting strategy of Particle_in_Cell-3D is based on the fluorescence intensity of the nanoparticles. The mean

• 3D location of an intracellular particle is marked by the crossing yellow lines. (c) A smoothing filter is applied and the image of the cell is transformed into a white mask. The image stack of masks is further processed to deliver a 3D reconstruction of the cell boundaries. Intracellular and

Low-dose patterning of platinum nanoclusters on carbon nanotubes by focused-electron-beam-induced deposition as studied by TEM

• Xiaoxing Ke,
• Carla Bittencourt,
• Sara Bals and
• Gustaaf Van Tendeloo

Beilstein J. Nanotechnol. 2013, 4, 77–86, doi:10.3762/bjnano.4.9

• well-dispersed across the whole surface of the CNT. Further 3D reconstruction of a tilt series of images (tilt range of ±70° with a 2° tilt interval, see Experimental section) confirms that the deposition has occurred all around the CNT resulting in a well-dispersed coverage. An orthoslice taken

• through the 3D reconstruction is presented in Figure 1c, illustrating the cross section of the as-deposited CNT. The dispersion of the Pt nanoclusters over the complete CNT surface verifies that the Pt nanoclusters are present on the entire surface of the CNT. A movie of the 3D reconstruction can be found

• been carried out based on the 3D reconstruction. As shown in Figure 1d, the distribution of nanoclusters has been quantified as a function of the angle α between the electron beam and the tangent plane of the CNT circumference. It can be seen from Figure 1d that the nanocluster distribution can fit