Characterization of ZnO nanoparticles synthesized using probiotic Lactiplantibacillus plantarum GP258

• Prashantkumar Siddappa Chakra,
• Aishwarya Banakar,
• Shriram Narayan Puranik,
• Vishwas Kaveeshwar,
• C. R. Ravikumar and
• Devaraja Gayathri

Beilstein J. Nanotechnol. 2025, 16, 78–89, doi:10.3762/bjnano.16.8

• nanoparticles (ZnO NPs), utilizing lactic acid bacteria isolated from curd as the key biological agent. Bacteria function as agents for both reduction and capping processes, which aids the synthesis of ZnO NPs. Various characterization techniques including XRD, FTIR, UV–vis, TEM, SEM-EDX, and zeta potential

• produce hydroxyl radicals (•OH−). These radicals degrade the dye molecules into harmless substances; the degradation is shown in Figure 2d. TEM analysis The size of the ZnO NPs, which was determined from TEM using Image J software, varied from 7 to 98 nm, with an average size of 10 nm. The SAED pattern of

• . Microscopic examination via TEM and SEM offered details about nanoparticle size and shape. Our study reported a size range from 7 to 98 nm, with an average size of 10 nm. Suba et al. [22] reported an average size of 32 nm, while Mohd Yusof et al. [23] synthesized ZnO NPs with a size of 291 nm (flower-like

A nanocarrier containing carboxylic and histamine groups with dual action: acetylcholine hydrolysis and antidote atropine delivery

• Elina E. Mansurova,
• Andrey A. Maslennikov,
• Anna P. Lyubina,
• Alexandra D. Voloshina,
• Irek R. Nizameev,
• Marsil K. Kadirov,
• Anzhela A. Mikhailova,
• Polina V. Mikshina,
• Albina Y. Ziganshina and
• Igor S. Antipin

Beilstein J. Nanotechnol. 2025, 16, 11–24, doi:10.3762/bjnano.16.2

• through dialysis for 1.5 h using a 12000 Da pore dialysis bag. The size of p(Hist-CA) is approximately 12 ± 3 nm according to TEM, and it forms aggregates ranging in size from 80 to 150 nm (Figure 1a,b). The molecular weight of p(Hist-CA) was determined using gel permeation chromatography (GPC). The GPC

• electron microscopy (TEM) images were taken with a Libra 120 EFTEM (A Carl Zeiss SMT AG Company, Oberkochen, Carl Zeiss, Germany) at 100 kV. Samples were spread on a 300 mesh copper grid with a carbon/formvar support film. 1H and 13C NMR spectra were obtained using a Bruker Avance 600 spectrometer with an

• dilution was tested in two parallel wells. The samples were then incubated for 1 h at 37 °C, followed by hemagglutination observation with the naked eye (Figure 3) [39]. Images of the samples were captured using a Nikon Eclipse Ci-S microscope (Nikon, Japan) (Figure 4). Data for p(Hist-CA): (a, b) TEM

Attempts to preserve and visualize protein corona on the surface of biological nanoparticles in blood serum using photomodification

• Julia E. Poletaeva,
• Anastasiya V. Tupitsyna,
• Alina E. Grigor’eva,
• Ilya S. Dovydenko and
• Elena I. Ryabchikova

Beilstein J. Nanotechnol. 2024, 15, 1654–1666, doi:10.3762/bjnano.15.130

• that, in addition to EVs, other “natural” NPs are present in the blood, namely, lipoproteins (LPs), which are not vesicles. The content of LPs in blood is incomparably higher than that of EVs [5][16]. Previously, we detected LPs using transmission electron microscopy (TEM) in various biological fluids

• prevent the corona loss, we fixed it on the surface of the bio-NPs by the photomodification method. We developed this method recently for fixing a full protein corona on model NPs with lipid envelope. One of the proofs of protein corona formation on the particle surface was its visualization using TEM [23

• -NPs from FBS and NBS. Results and Discussion Isolation of bio-NPs by ultracentrifugation To obtain samples of intact bio-NPs, we used single or double ultracentrifugation (UC) of 10% FBS, and the resulting samples were negatively stained and examined in TEM. The largest share of bio-NPs observed in

Fabrication of hafnium-based nanoparticles and nanostructures using picosecond laser ablation

• Abhishek Das,
• Mangababu Akkanaboina,
• Jagannath Rathod,
• R. Sai Prasad Goud,
• Kanaka Ravi Kumar,
• Raghu C. Reddy,
• Ratheesh Ravendran,
• Katia Vutova,
• S. V. S. Nageswara Rao and
• Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1639–1653, doi:10.3762/bjnano.15.129

• techniques The synthesised NPs were drop-cast on carbon-coated copper grids to record transmission electron microscopy (TEM) images and selected area electron diffraction (SAED) patterns using a FEI Tecnai G2 S-Twin operating at 200 kV. Further, these NPs were drop-cast on cleaned Si substrates, and their

• Horiba LabRAM HR Evolution (Excitation: 325 nm, Lens: 40×, spot size: 1 μm) was used. Image J software was used to extract spatial periodicities and to generate 2D fast Fourier transform images (2D FFT) of the Hf surface structures. Results and Discussion Nanoparticles Figure 3 shows TEM images, the

• corresponding particle size distributions, and the SAED patterns of NPs obtained in DW (Figure 3a–c), toluene (Figure 3d–f), and anisole (Figure 3g–i). The TEM image corresponding to HfNPs in DW shows the formation of nanofibres of diameters ranging from 5 to 65 nm along with spherical NPs (marked with red

Natural nanofibers embedded in the seed mucilage envelope: composite hydrogels with specific adhesive and frictional properties

• Agnieszka Kreitschitz and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2024, 15, 1603–1618, doi:10.3762/bjnano.15.126

• atomic force microscopy (AFM), transmission electron microscopy (TEM), SEM, or cryo-SEM [45][57][63][64][65][66]. Very often, the procedures for preparing mucilage envelope samples can destroy and/or influence the organisation of polysaccharides, making the analysis of spatial structure of the mucilage

• structure. This technique is very effective for sample imagining in TEM and SEM [7][41][67][68]. CPD minimises the negative pressure differences during drying. The comparison of CPD and air-drying techniques of plant material, for example, parenchymatic cells [69] and the mucilage envelope [7][13], clearly

• in Ocimum basilicum [7]. TEM and SEM [45][65][78][79] showed the size of cellulose microfibrils in a range of 3–50 nm, depending on cell wall type. This wide range of size can be also a result of bundles formed by cellulose fibrils (Figure 4h) [80]. The results of our research [7][13] confirmed the

Liver-targeting iron oxide nanoparticles and their complexes with plant extracts for biocompatibility

• Shushanik A. Kazaryan,
• Seda A. Oganian,
• Gayane S. Vardanyan,
• Anatolie S. Sidorenko and
• Ashkhen A. Hovhannisyan

Beilstein J. Nanotechnol. 2024, 15, 1593–1602, doi:10.3762/bjnano.15.125

• Sonic-150W, MRC, Israel) at 80% power with an on/off cycle of 5/4 s. During the synthesis of the nanoparticles, a black precipitate with paramagnetic properties formed. Nature and morphology of this precipitate were determined using electron diffraction and transmission electron microscopy (TEM, LEO-912

Facile synthesis of size-tunable L-carnosine-capped silver nanoparticles and their role in metal ion sensing and catalytic degradation of p-nitrophenol

• Akash Kumar,
• Ridhima Chadha,
• Abhishek Das,
• Nandita Maiti and
• Rayavarapu Raja Gopal

Beilstein J. Nanotechnol. 2024, 15, 1576–1592, doi:10.3762/bjnano.15.124

• ʟ-carnosine in synthesizing tunable plasmonic silver nanoparticles (ʟ-car-AgNPs). The formation of ʟ-car-AgNPs was confirmed via UV–vis optical absorption spectroscopy, showing single and double plasmonic peaks, depending on the synthesis conditions. Physicochemical characterization using TEM, FTIR

• (Nano ZS, Malvern, UK). The hydrodynamic size of ʟ-car-AgNPs was measured by placing them in 1 mL disposable cuvettes (DTS0012), while the zeta potential was measured using zeta cuvettes (ZEN1020). The ʟ-car-AgNPs samples were observed under a transmission electron microscope (TEM, 120 kV, FEI Tecnai

• towards the positively charged surfaces of silver. The morphology and size of silver nanoparticles capped with ʟ-carnosine were measured using TEM (Figure 3b–f). The TEM micrograph of ʟ-car-AgNP1 (Figure 3b) indicates the formation of spherical particles with high monodispersity and is consistent with the

Ultrablack color in velvet ant cuticle

• Vinicius Marques Lopez,
• Wencke Krings,
• Juliana Reis Machado,
• Stanislav Gorb and
• Rhainer Guillermo-Ferreira

Beilstein J. Nanotechnol. 2024, 15, 1554–1565, doi:10.3762/bjnano.15.122

• of the ultrablack cuticle in Traumatomutilla bifurca, an enigmatic and visually striking species of velvet ants (Hymenoptera, Mutillidae). Using a combination of scanning electron microscopy (SEM), transmission electron microscopy (TEM), confocal laser scanning microscopy (CLSM), and optical

• spectroscopy, we conducted a comprehensive analysis of the cuticle to elucidate its unique optical properties. SEM imaging provided a detailed surface morphology, while TEM provided insights into the internal structure. CLSM showed that the cuticle exhibits no autofluorescence. Our findings reveal a highly

• different magnifications, starting at 15,000× and adjusted as needed. Transmission electron microscopy (TEM) TEM was utilized to examine the internal cuticle morphology at high resolution at a nanometer scale. The apparatus was configured to operate at 50 kV with a minimum vacuum column pressure of 5.10

Electrochemical nanostructured CuBTC/FeBTC MOF composite sensor for enrofloxacin detection

• Thi Kim Ngan Nguyen,
• Tien Dat Doan,
• Huy Hieu Luu,
• Hoang Anh Nguyen,
• Thi Thu Ha Vu,
• Quang Hai Tran,
• Ha Tran Nguyen,
• Thanh Binh Dang,
• Thi Hai Yen Pham and
• Mai Ha Hoang

Beilstein J. Nanotechnol. 2024, 15, 1522–1535, doi:10.3762/bjnano.15.120

•  2e), the binding energy peak of Cu 2p3/2 (934.9 eV) can be attributed to Cu2+. Characterization of (Cu)(Fe)BTC@CPE Morphology The TEM image of the (Cu)(Fe)BTC sample shows unevenly distributed particles with different particle sizes fluctuating in the range of 40 to 100 nm (Figure 3). After mixing

• room temperature (25 ± 1 °C). (a) XRD pattern and (b) N2 adsorption/desorption isotherms of the (Cu)(Fe)BTC sample. Full-scan (a) and high-resolution C 1s (b), O 1s (c), Fe 2p (d), and Cu 2p (e) XPS spectra of the (Cu)(Fe)BTC sample. TEM image of (Cu)(Fe)BTC sample. SEM images of (Cu)(Fe)BTC@CPE (a

Strain-induced bandgap engineering in 2D ψ-graphene materials: a first-principles study

• Kamal Kumar,
• Nora H. de Leeuw,
• Jost Adam and
• Abhishek Kumar Mishra

Beilstein J. Nanotechnol. 2024, 15, 1440–1452, doi:10.3762/bjnano.15.116

• ), and density functional theory (DFT) study suggests that the hydrogenation of graphene with atomic hydrogen leads to the formation of graphone [8]. The full hydrogenation of graphene (graphane) was experimentally obtained by Elias et al., and their TEM and Raman spectroscopy results evidence the

Lithium niobate on insulator: an emerging nanophotonic crystal for optimized light control

• Midhun Murali,
• Amit Banerjee and
• Tanmoy Basu

Beilstein J. Nanotechnol. 2024, 15, 1415–1426, doi:10.3762/bjnano.15.114

• refractive contrast, respectively. The normal incidence of TEM polarised plane electromagnetic wave on PhC (the incident wave hits the left side of the structure) is considered by defining the required boundary conditions in the ‘COMSOL physics/study’ interface. The iterative simulation defining the boundary

Green synthesis of carbon dot structures from Rheum Ribes and Schottky diode fabrication

• Muhammed Taha Durmus and
• Ebru Bozkurt

Beilstein J. Nanotechnol. 2024, 15, 1369–1375, doi:10.3762/bjnano.15.110

• synthesis, which is commonly used in the literature. TEM and zeta potential measurements were used to determine morphology and sizes of the CDs, and XRD, XPS, and FTIR and micro-Raman spectroscopy were used for structural characterization. Optical characterization of the CDs was done by absorption and

• TALOS F200S TEM 200 kV, Malvern Zetasizer Nano ZSP, PANalytical X-ray diffractometer, Bruker VERTEX 70v, Specs‐Flex with a standard Al X‐ray source, WITech alpha 300R, VAKSIS PVD Handy, Zeiss Sigma 300, KEITLEY 2400 picoammeter/voltage source, Shimadzu UV-1800 spectrophotometer, and Agilent Technologies

• Cary Eclipse fluorescence spectrophotometer were used for transmission electron microscopy (TEM), zeta potential measurements, X-ray diffractometry (XRD), Fourier-transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), micro-Raman spectroscopy, PVD thermal evaporation, scanning

Nanoarchitectonics with cetrimonium bromide on metal nanoparticles for linker-free detection of toxic metal ions and catalytic degradation of 4-nitrophenol

• Akash Kumar and
• Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 1312–1332, doi:10.3762/bjnano.15.106

• anisotropic metal nanoparticles using zeta cuvettes (DTS0012). The precise size and morphology of CTAB-AgNS, CTAB-AuNS, CTAB-AuNR1, and CTAB-AuNR2 were observed under a transmission electron microscope (TEM, 120 kV; FEI Tecnai). The nanoparticles were placed onto 200-mesh carbon-coated copper grids. The

• TEM analyses Physicochemical characterization was performed using optical spectroscopy, DLS, FTIR, XRD, and TEM analyses. Figure 2a shows the synthesized isotropic silver and gold nanospheres with plasmon bands at 410 nm (AgNS) and 525 nm (AuNS). The anisotropic tunable gold nanorods with longitudinal

• microscopy (TEM) enables precise nanoparticle size and shape measurements. TEM images show that AuNR1 and AuNR2 have a rod-like shape with different sizes, whereas AuNS and AgNS are spherical (Figure 3a–d). The mean sizes of CTAB-AgNS and CTAB-AuNS are 27.4 ± 4.6 and 21.1 ± 3.6 nm, respectively (Figure 3e

Enhanced catalytic reduction through in situ synthesized gold nanoparticles embedded in glucosamine/alginate nanocomposites

• Chi-Hien Dang,
• Le-Kim-Thuy Nguyen,
• Minh-Trong Tran,
• Van-Dung Le,
• Nguyen Minh Ty,
• T. Ngoc Han Pham,
• Hieu Vu-Quang,
• Tran Thi Kim Chi,
• Tran Thi Huong Giang,
• Nguyen Thi Thanh Tu and
• Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1227–1237, doi:10.3762/bjnano.15.99

• synthesizing gold nanoparticles (AuNPs) within a glucosamine/alginate (GluN/Alg) nanocomposite via an ionotropic gelation mechanism in aqueous environment. The resulting nanocomposite, AuNPs@GluN/Alg, underwent thorough characterization using UV–vis, EDX, FTIR, SEM, TEM, SAED, and XRD analyses. The spherical

• microscopy (TEM) and selected area electron diffraction (SAED) were carried out using a JEOL JEM-2100 instrument. Crystal structure characterizations of AuNPs were carried out via XRD diffraction. Zeta potential and dynamic light scattering (DLS) measurements were carried out on gel solutions (1.0 mg·mL−1

• the initial mass), suggesting the presence of inorganic components within the nanocomposite. SEM and TEM analyses were performed to determine the morphology, and XRD and SAED patterns were used to evaluate the crystalline structure of AuNPs@GluN/Alg, as illustrated in Figure 4. The SEM images show

A low-kiloelectronvolt focused ion beam strategy for processing low-thermal-conductance materials with nanoampere currents

• Annalena Wolff,
• Nico Klingner,
• William Thompson,
• Yinghong Zhou,
• Jinying Lin and
• Yin Xiao

Beilstein J. Nanotechnol. 2024, 15, 1197–1207, doi:10.3762/bjnano.15.97

• cross sections and TEM lamellae of biological samples as well as of other thermally low conductive materials such as polymers [1][2][3][4][5][6][7][8][9][10][11][12][13]. The easily induced heat damage is increasingly being reported [3][6][14][15][16][17]. Despite the importance of this topic, there is

• by milling a TEM lamella and assessing the ion beam-induced heat damage in collagen. Purified collagen was selected as the experimental test material for two main reasons. First, it is the principal component of skin, for which well-documented literature values are readily available [21]. Second

• unfeasibly large area. To further verify that no heat damage occurs, a TEM lamella was prepared using the lower-ion-energy approach (5 keV, nanoampere beam currents). The result is shown in Figure 6. Collagen fibers can be observed for the lower-energy approach, indicating that heat damage was minimized. The

Direct electron beam writing of silver using a β-diketonate precursor: first insights

• Katja Höflich,
• Krzysztof Maćkosz,
• Chinmai S. Jureddy,
• Aleksei Tsarapkin and
• Ivo Utke

Beilstein J. Nanotechnol. 2024, 15, 1117–1124, doi:10.3762/bjnano.15.90

• microstructure of the deposits was investigated using a ThermoFischer Themis 200 G3 aberration-corrected transmission electron microscope (TEM) operating at 200 kV. Cross-sectional TEM lamellas were prepared by a standard sample preparation protocol using a Tescan Lyra3 FIB-SEM system. The TEM overview image was

• ligands instead of their further dissociation and co-deposition into the deposit. To further investigate the microstructure of the deposit, a thin lamella along the dashed white line in Figure 1a was prepared and studied by TEM. The TEM overview image is depicted in Figure 1c, its alignment and

• ). As this growth rate was only about two times larger than that of the thermal emitter, a precursor-limited growth regime and, thus, enhanced co-dissociation of the ligands is expected. For later TEM investigations, the deposition was carried out directly on a TEM grid. The STEM image in Figure 3 shows

Unveiling the potential of alginate-based nanomaterials in sensing technology and smart delivery applications

• Shakhzodjon Uzokboev,
• Khojimukhammad Akhmadbekov,
• Ra’no Nuritdinova,
• Salah M. Tawfik and
• Yong-Ill Lee

Beilstein J. Nanotechnol. 2024, 15, 1077–1104, doi:10.3762/bjnano.15.88

• scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The shape and size of the nanoparticles can be determined by these two methods [59]. TEM is extensively utilized and can differentiate between nanocapsules and nanospheres, as well as measure the thickness of the nanocapsule

• [61]. Nanoparticle size: The nanoparticle size can be determined using a variety of methods including dynamic (DLS) and static (SLS) light scattering; TEM, SEM, and AFM are also widely employed [62][63]. DLS and SLS can detect particle size by determining changes in distribution of particle size

• , while TEM and SEM yield images of separated particles [61]. Surface area: The reactivity of nanoparticles and their ability to interact with ligands highly depend on their surface area. This property of the nanoparticles can be detected directly by adsorbing an inert gas under various pressures to form

Effect of wavelength and liquid on formation of Ag, Au, Ag/Au nanoparticles via picosecond laser ablation and SERS-based detection of DMMP

• Sree Satya Bharati Moram,
• Chandu Byram and
• Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1054–1069, doi:10.3762/bjnano.15.86

• (TEM) was performed with a JEM-2100F (JEOL, Japan). TEM grids were prepared by drop casting 2 µL of NPs onto the grids. Raman/SERS spectra were collected using a portable Raman spectrometer (B&W Tek) with an excitation wavelength of 785 nm, 10 mW of laser power, 5 s of collection time, and three

• studies of as-synthesized nanoparticles Transmission electron microscopy analysis was implemented to study the size and shape of laser-fabricated NPs. Figure 2 shows the TEM images of Ag NPs synthesized in DW at different laser wavelengths: (a) 355, (b) 532, and (c) 1064 nm. It should be noted that the

• during the ablation. He et al. [58] demonstrated that at higher NaCl (10 mM) concentrations, ZnO NPs exhibited coalescence, increasing NPs size in comparison to those obtained in DW. In Figure 3, TEM images depicting as-synthesized Au NPs under different incident laser wavelengths (i.e., (a) 355, (b) 532

Bolometric IR photoresponse based on a 3D micro-nano integrated CNT architecture

• Yasameen Al-Mafrachi,
• Sandeep Yadav,
• Sascha Preu,
• Jörg J. Schneider and
• Oktay Yilmazoglu

Beilstein J. Nanotechnol. 2024, 15, 1030–1040, doi:10.3762/bjnano.15.84

• stability, retaining reliability at temperatures reaching up to 200 °C. This exceptional thermal resilience makes it ideally suited for demanding high-temperature applications, showing its potential across various industries. Transmission electron microscopy (TEM) and Raman characterizations of the VACNTs

• from similar CNT growth conditions have been published in previous works [7][15]. It was shown that more than 90% of the CNTs grown on the Si wafer were double-walled carbon nanotubes (DWCNTs). The new TEM micrograph in Figure 3a shows the DWCNTs. Diameter and chirality of the carbon nanotubes are

• . (a) Scanning electron microscopy image and (b) 3D close-up of the pixel-based CNT microbolometer. (a) TEM image showing DWCNTs and (b) Raman spectrum of the VACNTs. Schematic of the device under test (DUT) and measurement setups to characterize the CNT-based microbolometer. (a) Sample 1 with metal

Water-assisted purification during electron beam-induced deposition of platinum and gold

• Cristiano Glessi,
• Fabian A. Polman and
• Cornelis W. Hagen

Beilstein J. Nanotechnol. 2024, 15, 884–896, doi:10.3762/bjnano.15.73

• –2.70 nA. In addition, a longer deposition experiment was performed for better EDX quantification at 0.54 nA (1a). Additional experiments include a Pt-only deposit for reference (1f) and a sample prepared for TEM analysis (1g). Except for 1f, all deposits were obtained at a deposition pressure of (4.6

• % ratio correction can be found in Supporting Information File 1 (pp S3–S5). TEM A TEM lamella was prepared in a TFS Helios dual-beam system. A PtCx layer was deposited from MeCpPtMe3 as a protection layer. Transmission electron microscopy (TEM) and STEM-EDX analysis were performed in an FEI Titan Cubed

• Cs-corrected TEM at 300 keV. STEM-EDX was performed with a Thermo Fisher Scientific EDX super-X detector in the ChemiSTEM configuration. For EDX mapping, three-pixel averaging was used. Results and Discussion Water-assisted purification of gold deposits In order to validate the compatibility of the

A review on the structural characterization of nanomaterials for nano-QSAR models

• Salvador Moncho,
• Eva Serrano-Candelas,
• Jesús Vicente de Julián-Ortiz and
• Rafael Gozalbes

Beilstein J. Nanotechnol. 2024, 15, 854–866, doi:10.3762/bjnano.15.71

• ]. At the other extreme, there are studies where the only difference among the nanoforms used (without considering endpoint-related descriptors such as dose or time) is the size [58][59]. The size of nanoparticles is commonly measured by transmission electron microscopy (TEM). TEM images can provide

• nominal values found in the vendor's documentation. Some authors have reported the TEM diameter as primary size, but included also values for the hydrodynamic diameter measured by DLS [23][62][63], even in some cases in different media such as ultrapure water and a different medium (i.e. buffered [64] or

Intermixing of MoS₂ and WS₂ photocatalysts toward methylene blue photodegradation

• Maryam Al Qaydi,
• Nitul S. Rajput,
• Michael Lejeune,
• Abdellatif Bouchalkha,
• Mimoun El Marssi,
• Steevy Cordette,
• Chaouki Kasmi and
• Mustapha Jouiad

Beilstein J. Nanotechnol. 2024, 15, 817–829, doi:10.3762/bjnano.15.68

• considered samples. The specimens were prepared by drop casting a solution of the exfoliated samples on lacey carbon transmission electron microscopy (TEM) grids. Additionally, agglomeration of the flakes can be usually observed as well, which could be due to the effect of the solvent used for drop casting

• process. However, the distinct features of the flakes were overall conserved. Figure 5 depicts TEM images carried out on the samples. Low- and high-resolution images captured from MoS2, WS2, and MoS2/WS2 composite samples are shown in Figure 5a–f. The low-magnification TEM image indicates that the size of

• Figure 5f represent the MoS2/WS2 composite sample. Typical shapes and sizes corresponding to grown MoS2 and WS2 structures are also observed. High-resolution images indicate different planes corresponding to the composite sample with a corresponding d-spacing. Further, scanning TEM (STEM) images along

Synthesis of silver–palladium Janus nanoparticles using co-sputtering of independent sources: experimental and theorical study

• Maria J. Martínez-Carreón,
• Francisco Solís-Pomar,
• Abel Fundora,
• Claudio D. Gutiérrez-Lazos,
• Sergio Mejía-Rosales,
• Hector N. Fernández-Escamilla,
• Jonathan Guerrero-Sánchez,
• Manuel F. Meléndrez and
• Eduardo Pérez-Tijerina

Beilstein J. Nanotechnol. 2024, 15, 808–816, doi:10.3762/bjnano.15.67

• promote the synthesis of bimetallic Janus nanoparticles. The structural properties of the resulting nanoparticles were investigated by transmission electron microscopy (TEM), and the chemical composition was analyzed by TEM energy dispersive spectroscopy (TEM-EDS), which, together with structural analysis

• , confirmed the presence of Janus-type nanostructures. Results of molecular dynamics and TEM simulations show that the differences between the crystalline structures of the Pd and Ag regions observed in the TEM micrographs can be explained by small mismatches in the orientations of the two regions of the

• carried out by molecular dynamics and TEM simulations to investigate the atomic ordering and orientation of the crystal lattice, while a detailed description of the atomic arrangement at the interface between the two metals was obtained using density functional theory (DFT). Experimental In this work, the

Electron-induced ligand loss from iron tetracarbonyl methyl acrylate

• Hlib Lyshchuk,
• Atul Chaudhary,
• Thomas F. M. Luxford,
• Miloš Ranković,
• Jaroslav Kočišek,
• Juraj Fedor,
• Lisa McElwee-White and
• Pamir Nag

Beilstein J. Nanotechnol. 2024, 15, 797–807, doi:10.3762/bjnano.15.66

• much higher mass resolution, while the second one, the trochoidal electron monochromator quadrupole mass spectrometer (TEM-QMS), has a higher energy resolution of the incident electron beam. The CLUB setup The CLUB experimental setup has been described in detail in previous papers [22][23] and recently

• calibrated by measuring and fitting the 4.4 and 8.2 eV DEA resonance peaks of O− anions produced from CO2 molecules. TEM-QMS setup The TEM-QMS setup was originally constructed and operated at the University of Fribourg, Switzerland [28], and was later moved to Prague and modified [29]. A continuous electron

• . These spectra were recorded on the TEM-QMS setup, which has a higher energy resolution and more reliable performance at low electron energies than the CLUB setup (as will be demonstrated below). The arrows in Figure 4 denote positions of the calculated thresholds, which are tabulated in Table 2. The two

Level set simulation of focused ion beam sputtering of a multilayer substrate

• Alexander V. Rumyantsev,
• Nikolai I. Borgardt,
• Roman L. Volkov and
• Yuri A. Chaplygin

Beilstein J. Nanotechnol. 2024, 15, 733–742, doi:10.3762/bjnano.15.61

• other. Fabrication and TEM studies of test structures To verify the simulation results, two sets of test structures of different complexity were fabricated. The first set consisted of three narrow trenches formed in a thin 250 nm SiO2 layer by adopting one-dimensional beam scanning along the y axis with