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Search for "microstructure" in Full Text gives 248 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Tailoring of physical properties of RF-sputtered ZnTe films: role of substrate temperature

  • Kafi Devi,
  • Usha Rani,
  • Arun Kumar,
  • Divya Gupta and
  • Sanjeev Aggarwal

Beilstein J. Nanotechnol. 2025, 16, 333–348, doi:10.3762/bjnano.16.25

Graphical Abstract
  • microstructure of ZnTe films deposited at different substrate temperatures has been studied using FESEM. The FESEM micrographs are presented in Figure 4a–e, along with the EDS results (Figure 4a1–e1). The films consist of spherical well-connected particles that are uniformly distributed over the entire surface
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Published 05 Mar 2025

Enhancing mechanical properties of chitosan/PVA electrospun nanofibers: a comprehensive review

  • Nur Areisman Mohd Salleh,
  • Amalina Muhammad Afifi,
  • Fathiah Mohamed Zuki and
  • Hanna Sofia SalehHudin

Beilstein J. Nanotechnol. 2025, 16, 286–307, doi:10.3762/bjnano.16.22

Graphical Abstract
  • microscopy has been used to investigate morphology as well as the nanomechanical properties of individual fibers, including magnetization, friction, and mechanical strength [147]. These imaging techniques are critical for linking the mechanical behavior to the microstructure of the fibers. Based on fiber
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Published 26 Feb 2025

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

Graphical Abstract
  • microstructure forming cross-linking sheets, and the presence of water [94]. The authors observed that a thin layer of basil mucilage was adsorbed at the glass surface because of the abundant OH groups. This layer prevented the mucilage from the direct contact with the glass, which finally resulted in ultralow
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Published 13 Dec 2024

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

Graphical Abstract
  • absorption due to complex arrangements of microstructures at the cuticle surface above absorptive lamellae. The surface microstructure of the ultrablack cuticle (setae and microsculpturing) bear some structural resemblance to the ultrablack surfaces in other animals [10][13]. Moreover, there are lamellae
  • their feathers, yielding a similar effect [13]. West African Gaboon vipers exhibit dorsal patches of black scales with microscale leaf-like elevations and nanoscale ridges that result in ultrablack colors [14][15]. These examples suggest that microstructure-assisted ultrablack colors are naturally
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Published 02 Dec 2024

Integrating high-performance computing, machine learning, data management workflows, and infrastructures for multiscale simulations and nanomaterials technologies

  • Fabio Le Piane,
  • Mario Vozza,
  • Matteo Baldoni and
  • Francesco Mercuri

Beilstein J. Nanotechnol. 2024, 15, 1498–1521, doi:10.3762/bjnano.15.119

Graphical Abstract
  • candidates for specific applications [10]. In addition to materials design, digital technologies can enhance the characterization and understanding of materials. Advanced imaging techniques, coupled with computational analysis, enable researchers to examine the microstructure and behavior of materials at
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Perspective
Published 27 Nov 2024

Effect of radiation-induced vacancy saturation on the first-order phase transformation in nanoparticles: insights from a model

  • Aram Shirinyan and
  • Yuriy Bilogorodskyy

Beilstein J. Nanotechnol. 2024, 15, 1453–1472, doi:10.3762/bjnano.15.117

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  • literature review reveals that the stability of materials under irradiation is influenced by numerous factors. Some of these characteristic factors include the elemental composition and chemical structure, the microstructure of the material (including grain boundaries, defects, dislocations, and interfaces
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Published 21 Nov 2024

Mn-doped ZnO nanopowders prepared by sol–gel and microwave-assisted sol–gel methods and their photocatalytic properties

  • Cristina Maria Vlăduț,
  • Crina Anastasescu,
  • Silviu Preda,
  • Oana Catalina Mocioiu,
  • Simona Petrescu,
  • Jeanina Pandele-Cusu,
  • Dana Culita,
  • Veronica Bratan,
  • Ioan Balint and
  • Maria Zaharescu

Beilstein J. Nanotechnol. 2024, 15, 1283–1296, doi:10.3762/bjnano.15.104

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  • previous studies, the authors demonstrated that Mn-doped ZnO films exhibit superior optical and piezoelectric properties compared to undoped ZnO, with a more compact microstructure and reduced surface roughness [41]. Building on this foundation, the current article aims to focus on the methods of
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Published 28 Oct 2024

The role of a tantalum interlayer in enhancing the properties of Fe3O4 thin films

  • Hai Dang Ngo,
  • Vo Doan Thanh Truong,
  • Van Qui Le,
  • Hoai Phuong Pham and
  • Thi Kim Hang Pham

Beilstein J. Nanotechnol. 2024, 15, 1253–1259, doi:10.3762/bjnano.15.101

Graphical Abstract
  • for MgO with Ta buffer layer. The microstructural properties are summarized in Table 2. To characterize the effect of microstructure and morphology on the magnetic properties of Fe3O4 thin films, VSM measurements were conducted in an external field from −10 kOe to 10 kOe at room temperature. Figure 3
  • samples are summarized in Table 3. Morphology, microstructure, and anisotropy mechanisms significantly impact the magnetic properties of ferrite materials [38]. It is known that antiphase boundaries (APBs) and grain size in Fe3O4 thin films, which are strongly influenced by substrate or buffer layer, can
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Published 14 Oct 2024

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

Graphical Abstract
  • different process variables involved (such as spatial and temporal electron beam exposure and precursor flux), the composition and microstructure of the deposits can be tuned for obtaining desired nanocrystalline materials [10][11][12]. A direct writing technique is especially interesting for the
  • 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
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Published 26 Aug 2024

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

Graphical Abstract
  • detection of DMMP (1.2 ppm V) in the vapor phase using Glass_Ag_Au NPs, 3D fractal microstructure substrates developed by corner lithography and anisotropic wet etching of silicon using the 785 nm as the Raman excitation. When UV excitation was utilized during the measurements, the Raman peak intensities
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Published 19 Aug 2024

The effect of age on the attachment ability of stick insects (Phasmatodea)

  • Marie Grote,
  • Stanislav N. Gorb and
  • Thies H. Büscher

Beilstein J. Nanotechnol. 2024, 15, 867–883, doi:10.3762/bjnano.15.72

Graphical Abstract
  • Hennemann, 2023 and elucidate the age effects on the material and microstructure of the attachment apparatus. Attachment performance (adhesion and friction forces) on substrates with different roughnesses was compared between two different age groups, and the change of attachment performance was monitored
  • the pads often caused furrows on the surface of arolia (Figure 7A). While the original condition (Figure 7D) of the euplantula exhibits a bilobed inflated pad without major markings, except for the central grove and the nubby attachment microstructure, different wear marks were observed on the
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Published 15 Jul 2024

Investigation on drag reduction on rotating blade surfaces with microtextures

  • Qinsong Zhu,
  • Chen Zhang,
  • Fuhang Yu and
  • Yan Xu

Beilstein J. Nanotechnol. 2024, 15, 833–853, doi:10.3762/bjnano.15.70

Graphical Abstract
  • ]. Wu et al. [22] investigated the effect of different sizes of triangular grooves on the drag of NACA 0012 airfoils, finding an optimal DRR of 9.65% when the microstructure dimensions were s = h = d = 0.1 mm. Liang et al. [23] arranged various sizes of triangular microstructures on rotating disks and
  • flow field on the smooth blade surface and provide references for the placement of microtextures. (2) The influence of microstructure size on drag reduction of blade surfaces was analyzed to determine the optimal parameters for microstructures. The drag reduction mechanism of the microstructures was
  • Cf. Therefore, after comprehensive analysis of Figure 12, Figure 13, and Table 6, the triangular microstructure was chosen to be machined in the blade surface. The range of h has been discussed in the Methods section. In order to determine the ranges of w and s, different values of w and s of the
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Published 10 Jul 2024

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

Graphical Abstract
  • binding energies). This means there is no chemical shift in the compounds, implying that the intermixing of Mo and W did not disturb the chemical environment, and the elements retained a stable chemical bond. Microstructure analysis Figure 4 shows scanning electron microscopy (SEM) images of all
  • Cu radiation source at a 1.54 Å wavelength and a micro-Raman spectrometer (Renishaw) equipped with a green laser excitation of 532 nm. The microstructure of the specimen was analyzed using a scanning electron microscope (Thermo Fisher Scientific, Waltham, MA, USA), and a transmission electron
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Published 05 Jul 2024

Comparative analysis of the ultrastructure and adhesive secretion pathways of different smooth attachment pads of the stick insect Medauroidea extradentata (Phasmatodea)

  • Julian Thomas,
  • Stanislav N. Gorb and
  • Thies H. Büscher

Beilstein J. Nanotechnol. 2024, 15, 612–630, doi:10.3762/bjnano.15.52

Graphical Abstract
  • et al. [44] in the smooth euplantulae of Tettigonia viridissima (L., 1758) and Locusta migratoria (L., 1758). Differences in the layering and the details of microstructure likely evolved due to variations in their ecological lifestyle. Several insects possess hairy attachment organs, which
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Published 29 May 2024

Classification and application of metal-based nanoantioxidants in medicine and healthcare

  • Nguyen Nhat Nam,
  • Nguyen Khoi Song Tran,
  • Tan Tai Nguyen,
  • Nguyen Ngoc Trai,
  • Nguyen Phuong Thuy,
  • Hoang Dang Khoa Do,
  • Nhu Hoa Thi Tran and
  • Kieu The Loan Trinh

Beilstein J. Nanotechnol. 2024, 15, 396–415, doi:10.3762/bjnano.15.36

Graphical Abstract
  • apolipoprotein A-I and facilitates atherosclerosis [190]. Si nanoparticles were reported for their ability to invade the cytoplasm, modify the intracellular microstructure, and promote inflammatory reactions through activating NLRP3 inflammasomes [191]. Also, in an animal experiment, SiO2 nanoparticles induce
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Published 12 Apr 2024

On the mechanism of piezoresistance in nanocrystalline graphite

  • Sandeep Kumar,
  • Simone Dehm and
  • Ralph Krupke

Beilstein J. Nanotechnol. 2024, 15, 376–384, doi:10.3762/bjnano.15.34

Graphical Abstract
  • can be considered as a matrix of grains and grain boundaries (GBs), where the grains are separated by the GBs and have different resistivities [31]. Hence, the tunneling + destruction model might indeed be an appropriate physical representation of the nano/microstructure of NCG. The model explains
  • microstructure of the film [37]. After the plateau (strain > 1.6%), the resistance once again increases, and a new set of nanocracks start to form at different GBs. The second cycle of the resistance vs strain measurement (Figure 2a, red curve) starts from a resistance value that is equivalent to the resistance
  • grains start to move apart, which is visible as an increase in resistance values between 0% and 0.3% strain [24], also confirmed by Raman measurements under strain (Figure 3b–d). At 0.3% to 0.7% strain, grain rotation and irreversible changes in the microstructure occur. This is seen by a sharper
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Published 08 Apr 2024

Controllable physicochemical properties of WOx thin films grown under glancing angle

  • Rupam Mandal,
  • Aparajita Mandal,
  • Alapan Dutta,
  • Rengasamy Sivakumar,
  • Sanjeev Kumar Srivastava and
  • Tapobrata Som

Beilstein J. Nanotechnol. 2024, 15, 350–359, doi:10.3762/bjnano.15.31

Graphical Abstract
  • , bandgap, and electrical conductivity, to a large extent by controlling the cationic oxidation state and the film stoichiometry [2]. As a matter of fact, adjustments in the film stoichiometry and microstructure are experimentally viable by the choice of a suitable growth technique [9][10][11]. As a result
  • identified using X-ray photoelectron spectroscopy (XPS) measurements (PHI 5000 VersaProbeII, ULVAC – PHI, INC) with a monochromatic Al Kα source (hν = 1486.6 eV), and a microfocus (100 µm, 15 kV, 25 W) arrangement along with a multichannel detector and a hemispherical analyser. The microstructure of the WOx
  • range of tunability in structural, optical, and electrical properties of NS-WOx thin films through controlling microstructure and film thickness. This will be useful for optoelectronic applications in photovoltaics where such films are used as a carrier-selective contact. AFM height images of (a–d) as
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Published 02 Apr 2024

Ultrasensitive and ultrastretchable metal crack strain sensor based on helical polydimethylsiloxane

  • Shangbi Chen,
  • Dewen Liu,
  • Weiwei Chen,
  • Huajiang Chen,
  • Jiawei Li and
  • Jinfang Wang

Beilstein J. Nanotechnol. 2024, 15, 270–278, doi:10.3762/bjnano.15.25

Graphical Abstract
  • microstructure grants the strain sensor exceptional stretchability, a wide sensing range (reaching up to 82% strain), and remarkable sensitivity (with a gauge factor (GF) ranging from 16.2 to 150). In a similar vein, Cai et al. developed strain sensors utilizing a weaving architecture that integrated two
  • the elastomer during stretching and play a vital role in the functionality of the strain sensor. Based on its helical microstructure, the sensor demonstrates an ultrahigh gauge factor of 107, along with a wide strain range of 300%, a rapid response time of 158 ms, minimal hysteresis, and remarkable
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Published 01 Mar 2024

Graphene removal by water-assisted focused electron-beam-induced etching – unveiling the dose and dwell time impact on the etch profile and topographical changes in SiO2 substrates

  • Aleksandra Szkudlarek,
  • Jan M. Michalik,
  • Inés Serrano-Esparza,
  • Zdeněk Nováček,
  • Veronika Novotná,
  • Piotr Ozga,
  • Czesław Kapusta and
  • José María De Teresa

Beilstein J. Nanotechnol. 2024, 15, 190–198, doi:10.3762/bjnano.15.18

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  • , whereas at higher electron doses the resolution deteriorates and the number of defects significantly increases. Additionally, the etching process is accompanied by morphological changes in the microstructure of the substrate – likely occurring during exposure to the the ambient air and pressure
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Published 07 Feb 2024

In situ optical sub-wavelength thickness control of porous anodic aluminum oxide

  • Aleksandrs Dutovs,
  • Raimonds Popļausks,
  • Oskars Putāns,
  • Vladislavs Perkanuks,
  • Aušrinė Jurkevičiūtė,
  • Tomas Tamulevičius,
  • Uldis Malinovskis,
  • Iryna Olyshevets,
  • Donats Erts and
  • Juris Prikulis

Beilstein J. Nanotechnol. 2024, 15, 126–133, doi:10.3762/bjnano.15.12

Graphical Abstract
  • hPAAO is an integrated (effective) value obtained by collecting spectra from a surface area significantly larger than the microstructure of PAAO, including pores, pore walls, skeleton, and the interstitial rods [32], which have tens of nanometers difference in length. Figure 2 shows typical recorded
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Published 31 Jan 2024

Influence of conductive carbon and MnCo2O4 on morphological and electrical properties of hydrogels for electrochemical energy conversion

  • Sylwia Pawłowska,
  • Karolina Cysewska,
  • Yasamin Ziai,
  • Jakub Karczewski,
  • Piotr Jasiński and
  • Sebastian Molin

Beilstein J. Nanotechnol. 2024, 15, 57–70, doi:10.3762/bjnano.15.6

Graphical Abstract
  • . The phenomenon in which hydrogels swell in water while not dissolving in it is due to hydrophilic functional groups attached to the polymer backbone and cross-links between the network chains. High water content makes hydrogel materials similar in terms of microstructure and flexibility to living
  • large as possible. The porous microstructure of the hydrogel matrix is capable of swelling and thus accommodating significant amounts of ionic liquids. Such a structure provides constant access of the electrolyte molecules/ions to the catalyst particles surrounding it, increasing the speed and
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Published 11 Jan 2024

Determination of the radii of coated and uncoated silicon AFM sharp tips using a height calibration standard grating and a nonlinear regression function

  • Perawat Boonpuek and
  • Jonathan R. Felts

Beilstein J. Nanotechnol. 2023, 14, 1200–1207, doi:10.3762/bjnano.14.99

Graphical Abstract
  • tips (silicon nitride, silicon, and high-aspect-ratio tips) were scanned over the calibration pattern. Simultaneously, the AFM measurement signal showed the tip path profile as the real geometry of a fabricated microstructure. The tip radius was obtained from the curvature radius of the curve profile
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Published 15 Dec 2023

Exploring internal structures and properties of terpolymer fibers via real-space characterizations

  • Michael R. Roenbeck and
  • Kenneth E. Strawhecker

Beilstein J. Nanotechnol. 2023, 14, 1004–1017, doi:10.3762/bjnano.14.83

Graphical Abstract
  • ®, both the topography and stiffness maps (Figure 2) revealed a consistent microstructure across the fiber diameter at this length scale. Complementing topography and stiffness maps, lateral line profiles (e.g., dashed line, Figure 2a) quantified both topography and stiffness variations across the
  • were not observed elsewhere in the fiber. Topography and stiffness maps also reveal constituents throughout the microstructure that preferentially align with the main fiber axis, as parallel longitudinal lines on topography and stiffness maps can be traced from the top to the bottom of each map. No
  • apparent skin–core differentiation in the microstructure (e.g., as in Kevlar®) is observed [11][13][14][15][16]. The lack of evidence for a skin–core structure in Technora® was referenced in an earlier study by Derombise et al. [17], but to our knowledge, this is the first time this has been directly shown
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Published 05 Oct 2023

A wearable nanoscale heart sound sensor based on P(VDF-TrFE)/ZnO/GR and its application in cardiac disease detection

  • Yi Luo,
  • Jian Liu,
  • Jiachang Zhang,
  • Yu Xiao,
  • Ying Wu and
  • Zhidong Zhao

Beilstein J. Nanotechnol. 2023, 14, 819–833, doi:10.3762/bjnano.14.67

Graphical Abstract
  • is in agreement with the XRD findings. The thickness of the piezoelectric film was determined to be approximately 120 μm using a Vernier caliper with a precision of 0.02 mm. The SEM images in Figure 8 reveal that the microstructure of the nanofilms consists of fibrous filaments at the micro/nanoscale
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Published 31 Jul 2023

ZnO-decorated SiC@C hybrids with strong electromagnetic absorption

  • Liqun Duan,
  • Zhiqian Yang,
  • Yilu Xia,
  • Xiaoqing Dai,
  • Jian’an Wu and
  • Minqian Sun

Beilstein J. Nanotechnol. 2023, 14, 565–573, doi:10.3762/bjnano.14.47

Graphical Abstract
  • of SiC nanomaterials through surface carbonization of SiC nanowires and hydrolysis. SiC@C-ZnO composites were synthesized with different dosages of ZnNO3·6H2O. Composition, microstructure, and electromagnetic properties of the composites were characterized and analyzed. Results from TEM and XRD show
  • , which has been rarely investigated before. Herein, we describe a new strategy for preparing ternary hybrids (SiC@C-ZnO, SCZ) by growing ZnO particles on carbon surfaces derived from SiC nanowires. The influence of ZnO precursor (ZnNO3·6H2O) dosage on composition, microstructure and electromagnetic
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Published 04 May 2023
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