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Investigation of the solubility of protoporphyrin IX in aqueous and hydroalcoholic solvent systems

  • Michelly de Sá Matsuoka,
  • Giovanna Carla Cadini Ruiz,
  • Marcos Luciano Bruschi and
  • Jéssica Bassi da Silva

Beilstein J. Nanotechnol. 2025, 16, 1209–1215, doi:10.3762/bjnano.16.89

Graphical Abstract
  • , at a specific wavelength, PpIX absorbs energy and transfers it to molecular oxygen, generating reactive oxygen species (ROS). These ROS are highly toxic to cells, inducing oxidative damage in various biomolecules such as lipids, proteins and DNA, leading to cell death [6][7]. However, PpIX and other
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Published 29 Jul 2025

Chitosan nanocomposite containing rotenoids: an alternative bioinsecticidal approach for the management of Aedes aegypti

  • Maria A. A. Bertonceli,
  • Vitor D. C. Cristo,
  • Ivo J. Vieira,
  • Francisco J. A. Lemos,
  • Arnoldo R. Façanha,
  • Raimundo Braz-Filho,
  • Gustavo V. T. Batista,
  • Luis G. M. Basso,
  • Sérgio H. Seabra,
  • Thalya S. R. Nogueira,
  • Felipe F. Moreira,
  • Arícia L. E. M. Assis,
  • Antônia E. A. Oliveira and
  • Kátia V. S. Fernandes

Beilstein J. Nanotechnol. 2025, 16, 1197–1208, doi:10.3762/bjnano.16.88

Graphical Abstract
  • dengue vaccine approved for use in individuals aged 9–45 years or 9–60 years, depending on country-specific regulatory guidelines. Due to the requirement for pre-vaccination screening, the widespread use of this vaccine has been limited. The use of TAK-003 is recommended for children aged 6 to 16 years
  • in regions with high dengue transmission intensity. However, its use is not currently recommended for children under 6 years of age or adults aged 60 years and older, due to the lower effectiveness of the vaccine in these age groups [3]. While these vaccines represent significant advancements in
  • becomes crucial to overcome these obstacles in vector control in a smarter way [5][6][7][8]. Bioactive compounds from plants have demonstrated great potential as bioinsecticidal agents. Derived from renewable sources, these compounds possess complex chemical compositions, diverse modes of action, and
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Published 28 Jul 2025

Electronic and optical properties of chloropicrin adsorbed ZnS nanotubes: first principle analysis

  • Prakash Yadav,
  • Boddepalli SanthiBhushan and
  • Anurag Srivastava

Beilstein J. Nanotechnol. 2025, 16, 1184–1196, doi:10.3762/bjnano.16.87

Graphical Abstract
  • hours of exposure, with studies reporting that 99% of individuals exposed to CP experience ocular symptoms, including inflammation, corneal edema, tissue damage, and potential visual impairment [6][7][8]. Developing portable, sensitive, rapid-response, and reliable sensors for detecting chemical warfare
  • using the following Equation 6: where Eg1 and Eg2 are the bandgaps of the pristine ZnS NT and CP-adsorbed ZnS NT, respectively. The recovery time [5][62][63] is influenced by the adsorption energy, as calculated by Equation 7: where T is the Temperature (= 300 °C), KB is the Boltzmann constant (8.617
  • sensitivity and specificity. The optical conductivity spectra illustrated in Figure 6 of pristine ZnS NTs and CP-adsorbed ZnS N at orientations A, B, C, and D reveal significant orientation-dependent variations due to CP adsorption. Pristine ZnS NTs exhibit a dominant peak in the real part (σ1(ω)) at ≈395 nm
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Published 25 Jul 2025

Mechanical stability of individual bacterial cells under different osmotic pressure conditions: a nanoindentation study of Pseudomonas aeruginosa

  • Lizeth García-Torres,
  • Idania De Alba Montero,
  • Eleazar Samuel Kolosovas-Machuca,
  • Facundo Ruiz,
  • Sumati Bhatia,
  • Jose Luis Cuellar Camacho and
  • Jaime Ruiz-García

Beilstein J. Nanotechnol. 2025, 16, 1171–1183, doi:10.3762/bjnano.16.86

Graphical Abstract
  • patients [6][7][8]. As a Gram-negative bacterium, PA is characterized by a distinctive cell wall structure constituted by a thin peptidoglycan layer enclosed by an outer membrane which contains lipopolysaccharides (LPS) [9][10][11]. The outer membrane also contains numerous proteins, lipoproteins, and
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Published 21 Jul 2025

Transfer function of an asymmetric superconducting Gauss neuron

  • Fedor A. Razorenov,
  • Aleksander S. Ionin,
  • Nikita S. Shuravin,
  • Liubov N. Karelina,
  • Mikhail S. Sidel’nikov,
  • Sergey V. Egorov and
  • Vitaly V. Bol’ginov

Beilstein J. Nanotechnol. 2025, 16, 1160–1170, doi:10.3762/bjnano.16.85

Graphical Abstract
  • , prediction, pattern recognition, and image and video generation. The increasing number of tasks and the growing volume of processed information highlight the relevance of using superconducting elements, which offer the advantages of high clock frequency and energy efficiency [1][2]. Studies [3][4][5][6
  • and Equation 8, respectively. Equation 11 is obtained by substituting Equation 10 into Equation 6 to eliminate the output signal ϕout. By using the common method of introducing half-sum and half-difference of phases [1][8][9][12][14], φ+ = (φA + φB)/2, φ− = (φB − φA)/2, the system of Equation 10 and
  • “symmetric” system (Equation 6–Equation 8) only by the different values of inductances lA and lB in Equation 35 and Equation 36. By adding and subtracting Equation 35 and Equation 36, we obtain the system of equations in the following form: A transition to phases φ+ and φ− is hindered by the fact that the
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Published 21 Jul 2025

Crystalline and amorphous structure selectivity of ignoble high-entropy alloy nanoparticles during laser ablation in organic liquids is set by pulse duration

  • Robert Stuckert,
  • Felix Pohl,
  • Oleg Prymak,
  • Ulrich Schürmann,
  • Christoph Rehbock,
  • Lorenz Kienle and
  • Stephan Barcikowski

Beilstein J. Nanotechnol. 2025, 16, 1141–1159, doi:10.3762/bjnano.16.84

Graphical Abstract
  • nanomaterials, usually consisting of single-phase solid solutions made of five or more elements, forming relatively simple face-centered cubic [6][7][8] (fcc) or body-centered cubic [9][10] (bcc) crystal structures, stabilized by the configurational part of Gibbs-free energy. It is worth noting that high
  • , the emerging liquid nanoparticles (Figure 5 (5)) are in a liquid state for a longer time. Thus, active carbon species can diffuse more significantly into the molten metal core of the nanoparticles (Figure 5 (6)), although a part of that can also stay on the outside of the particle (Figure 5 (7
  • analytical techniques, we can prove that carbon incorporation into HEA NPs via ns-LAL is observable as seen in Figure 6. We prepared a cross-section sample of an amorphous HEA NP from ns-LAL synthesis via focused ion beam (FIB) preparation and compared EELS signals originating from both the core and shell
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Published 17 Jul 2025

Deep learning for enhancement of low-resolution and noisy scanning probe microscopy images

  • Samuel Gelman,
  • Irit Rosenhek-Goldian,
  • Nir Kampf,
  • Marek Patočka,
  • Maricarmen Rios,
  • Marcos Penedo,
  • Georg Fantner,
  • Amir Beker,
  • Sidney R. Cohen and
  • Ido Azuri

Beilstein J. Nanotechnol. 2025, 16, 1129–1140, doi:10.3762/bjnano.16.83

Graphical Abstract
  • interactions. Scanning distortions due to non-linearities in the scan are also trickier to correct and harder to avoid in fast scanning. Some of these artifacts can be eliminated or attenuated by image processing techniques [4][5][6][7][8][9][10][11][12]. Another resolution-limiting factor in AFM is the tip
  • scores ranging between 1 (for low image fidelity and quality) and 6 (for high image fidelity and quality). The results agree with the other quantitative metrics in that the quality of the deep learning models ranked significantly higher than that of the traditional methods. Importantly, while there was
  • was shown to the AFM experts. The AFM experts did not have the key and, therefore, did not know which of the algorithms corresponded to which of the labeled images for every set. The experts were asked to rank the SR image fidelity and quality from a discrete scale of 1 (lowest) to 6 (highest
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Published 16 Jul 2025

Towards a quantitative theory for transmission X-ray microscopy

  • James G. McNally,
  • Christoph Pratsch,
  • Stephan Werner,
  • Stefan Rehbein,
  • Andrew Gibbs,
  • Jihao Wang,
  • Thomas Lunkenbein,
  • Peter Guttmann and
  • Gerd Schneider

Beilstein J. Nanotechnol. 2025, 16, 1113–1128, doi:10.3762/bjnano.16.82

Graphical Abstract
  • nm, from which quantitative data are often extracted. For example, in materials science applications, nanoscale spectromicroscopy [5][6][7][8] is used to examine a sample around its absorption edges, which provides insights into its electronic structure. In biomedical applications [9][10][11][12
  • constant and moves outside of the integral of Equation 15. The remaining exponential term in the integral reflects the accumulated absorption at different depths in the nanosphere defined by Beer’s law (Equation 6), which is then convolved with the point-spread function h(r, z) of a lens (whose NA equals
  • nearly identical to Beer’s law (Figure 6). However, consistent with the radial profiles in Figure 5, we found that the measured absorption from each nanosphere was always significantly less than that predicted by either the model or Beer’s law. This discrepancy between Beer’s law and the measured data
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Published 15 Jul 2025

Influence of ion beam current on the structural, optical, and mechanical properties of TiO2 coatings: ion beam-assisted vs conventional electron beam evaporation

  • Agata Obstarczyk and
  • Urszula Wawrzaszek

Beilstein J. Nanotechnol. 2025, 16, 1097–1112, doi:10.3762/bjnano.16.81

Graphical Abstract
  • advantages including low manufacturing cost, high deposition rate, and the possibility to coat large surface areas [3][5][6]. However, the quality of the deposited coatings is relatively poor compared to, for example, magnetron sputtering, which guarantees the production of thin films with good coating
  • with Iibg = 4 A revealed the formation of a bilayer, indicating the separation of grains into two distinct rows or layers. The width of the elongated grains in this case ranged from 90 to 115 nm. Yang et al. [6] mentioned that compared to conventional electron beam evaporation, ion bombardment provides
  • slightly decreased to 3.83, 3.80, and 3.79 eV, respectively. These results are also in fair agreement with those reported by Yang et al. [6], who observed Egopt values ranging from 3.81 to 3.92 eV for TiO2 films deposited by IBAD. Hasan et al. [49] reported an indirect optical bandgap of 3.39 eV for as
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Published 14 Jul 2025

Fabrication of metal complex phthalocyanine and porphyrin nanoparticle aqueous colloids by pulsed laser fragmentation in liquid and their potential application to a photosensitizer for photodynamic therapy

  • Taisei Himeda,
  • Risako Kunitomi,
  • Ryosuke Nabeya,
  • Tamotsu Zako and
  • Tsuyoshi Asahi

Beilstein J. Nanotechnol. 2025, 16, 1088–1096, doi:10.3762/bjnano.16.80

Graphical Abstract
  • nanoparticles and nanomicelle encapsulation have been used to disperse them in water [2][3][4][5][6][7]. For example, AlClPc has been loaded into nanoemulsions using castor oil and Cremophor ELP® [5]. ZnPc was dispersed in unilamellar liposomes by a solvent exchange method [7][8], and its photocytotoxicity
  • cuvette (1 × 1 × 4 cm3) and irradiated with nanosecond laser pulses (532 nm wavelength, 6 ns full-width at half-maximum, 10 Hz repetition rate, fluence = 140 mJ·cm−2 per pulse) under stirring with a magnetic stirrer. The nanoparticle generation was examined by measuring the absorption spectrum with a USB
  • MPcs and PtOEP with high efficiency. The role of F-127 in the formation of small nanoparticles having high dispersion stability is schematically illustrated in Figure 6. The cellular phototoxicity of the AlClPc, ZnPc, and PtOEP nanoparticles prepared in 0.1 wt % F-127 aqueous solution was examined by
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Published 11 Jul 2025

Single-layer graphene oxide film grown on α-Al2O3(0001) for use as an adsorbent

  • Shiro Entani,
  • Mitsunori Honda,
  • Masaru Takizawa and
  • Makoto Kohda

Beilstein J. Nanotechnol. 2025, 16, 1082–1087, doi:10.3762/bjnano.16.79

Graphical Abstract
  • has a high level of water affinity. Consequently, GO can be expected to have a wide range of applications, such as primers, thermally conductive materials, transparent electrodes, and adsorbent materials [3][4][5][6][7][8][9][10][11][12][13]. GO is typically synthesized by oxidizing graphite. Several
  • was annealed at 900 °C in open air in order to obtain an atomically flat surface. Then, the substrate was introduced into a vacuum furnace. The base pressure of the furnace was 6 × 10−6 Pa. After evacuating, the substrate was annealed up to 1000 °C for 1 h. For the graphene growth, a methanol vapor
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Published 10 Jul 2025

Piezoelectricity of hexagonal boron nitrides improves bone tissue generation as tested on osteoblasts

  • Sevin Adiguzel,
  • Nilay Cicek,
  • Zehra Cobandede,
  • Feray B. Misirlioglu,
  • Hulya Yilmaz and
  • Mustafa Culha

Beilstein J. Nanotechnol. 2025, 16, 1068–1081, doi:10.3762/bjnano.16.78

Graphical Abstract
  • undergoes continuous remodeling, where old bone is replaced with new tissue, a process that becomes particularly prominent once bones reach peak mass and continues through adulthood, replacing most of the skeleton approximately every decade [1]. Hydroxyapatite crystals (Ca10(PO4)6(OH)2) form through the
  • , osteoclasts, osteoblasts, and osteocytes, which coordinate bone resorption and deposition. Bone lining cells cover bone surfaces and play a key role in osteoclast differentiation [4][5]. Osteoclasts are large, multinucleated cells responsible for bone resorption through lysosomal enzymes and acid secretion [6
  • µL pipet tip, and then washed with PBS to remove the unattached cells. Afterward, the cells were treated with NMs, suspended in serum-free media with increasing concentration values (1, 5, and 10 µg/mL), and left for incubation for 24 h. Images of the cells were taken at 0, 6, and 24 h using an
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Published 07 Jul 2025

Soft materials nanoarchitectonics: liquid crystals, polymers, gels, biomaterials, and others

  • Katsuhiko Ariga

Beilstein J. Nanotechnol. 2025, 16, 1025–1067, doi:10.3762/bjnano.16.77

Graphical Abstract
  • exhibit diverse responses to external stimuli is on the rise [6][7][8][9][10]. The field of materials chemistry is undergoing a transition from a focus on hard, robust materials to a greater emphasis on softer, more mouldable substances. This shift is actually reasonable as observed in the evolution of
  • (Figure 6) [241]. The presence of two salts and two surfactants ensures the stability of the lyotropic liquid crystal mesophase even at elevated salt concentrations. The calcium and iron salts act as eutectic solvents, facilitating the assembly of surfactants into the lyotropic liquid crystal phase
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Published 04 Jul 2025

Multifunctional properties of bio-poly(butylene succinate) reinforced with multiwalled carbon nanotubes

  • Volodymyr Krasinskyi,
  • Krzysztof Bajer,
  • Ludmila Dulebova,
  • Nickolas Polychronopoulos,
  • Oksana Krasinska and
  • Daniel Kaczor

Beilstein J. Nanotechnol. 2025, 16, 1014–1024, doi:10.3762/bjnano.16.76

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  • in microbial environments is primarily attributed to its high degree of crystallinity [6][7][8]. A well-established approach to improving polymer properties involves the incorporation of nanofillers, particularly carbon nanotubes (CNTs). Even at low concentrations, CNTs can significantly affect the
  • in the PBS/CNT_0.5 nanocomposite was verified, with TGA data indicating a content of approximately 0.6 wt %. Differential scanning calorimetry (DSC) analysis was conducted to assess the effect of CNTs on the thermal properties and crystallinity of PBS. The DSC thermograms (Figure 5 and Figure 6
  • (Figure 5, black curve). In contrast, the PBS/CNT_0.5 nanocomposite showed a cold crystallization peak at 99.0 °C and a melting peak at 114.1 °C (Figure 6, black curve). During the cooling process from 300 to 0 °C, crystallization peaks were observed in the thermograms at 72.6 °C for neat PBS (Figure 5
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Published 03 Jul 2025

A calix[4]arene-based supramolecular nanoassembly targeting cancer cells and triggering the release of nitric oxide with green light

  • Cristina Parisi,
  • Loredana Ferreri,
  • Tassia J. Martins,
  • Francesca Laneri,
  • Samantha Sollima,
  • Antonina Azzolina,
  • Antonella Cusimano,
  • Nicola D’Antona,
  • Grazia M. L. Consoli and
  • Salvatore Sortino

Beilstein J. Nanotechnol. 2025, 16, 1003–1013, doi:10.3762/bjnano.16.75

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  • immunogenicity and paving the way for a variety of applications in the biomedical field [1][6][7][8][9]. Due to their amphiphilic character, calix[n]arene derivatives can self-assemble in water medium, leading to nanoaggregates exhibiting much better hosting performances than the single monomers [10]. Aggregates
  • observed upon exposure of an air-equilibrated NOPD 2 (100 µM) solution at λexc = 420 nm after 0, 6, 11, 20, 30, 40, 60, 80, 100, 130, and 160 min. (A) Absorption spectrum of the supramolecular complex 1·2 in water; [1] = 50 µM; [2] = 40 µM. The inset shows the size distribution of the same solution of 1·2
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Published 03 Jul 2025

Time-resolved probing of laser-induced nanostructuring processes in liquids

  • Maximilian Spellauge,
  • David Redka,
  • Mianzhen Mo,
  • Changyong Song,
  • Heinz Paul Huber and
  • Anton Plech

Beilstein J. Nanotechnol. 2025, 16, 968–1002, doi:10.3762/bjnano.16.74

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  • exchanging energy and material with the excited loci. LSPC commonly encompasses laser ablation in liquid (LAL), which allows for producing NPs from a surface of virtually any solid [6][7][8][9], laser fragmentation in liquid (LFL) to further reduce dimensions of particles down to few-atom clusters [10][11
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Published 02 Jul 2025

Shape, membrane morphology, and morphodynamic response of metabolically active human mitochondria revealed by scanning ion conductance microscopy

  • Eric Lieberwirth,
  • Anja Schaeper,
  • Regina Lange,
  • Ingo Barke,
  • Simone Baltrusch and
  • Sylvia Speller

Beilstein J. Nanotechnol. 2025, 16, 951–967, doi:10.3762/bjnano.16.73

Graphical Abstract
  • [6][7][8][9]. These processes are integral to maintaining cellular homeostasis [10], and disruptions in mitochondrial function are implicated in numerous diseases, including Parkinson’s disease [11][12][13], cardiovascular diseases [14][15][16], Alzheimer’s disease [12][17][18], obesity [19], and
  • . One of these effects appears to be associated to the dynamics of the mitochondria’s morphology (in the following referred to as morphodynamics, cf. [6]) and their contact with the measurement environment. Finally, we propose hypotheses to explain the observed effects. Results Viability of the
  • data set is depicted in Figure 3e,f. Figure 3e shows the false-colour topography of a mitochondrion with a initial diameter of 1.96 μm and a maximum apparent height of 2.15 μm. After an elapsed time of 6 hours and 17 minutes, the same mitochondrion (Figure 3f) exhibits a slightly increased diameter of
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Published 30 Jun 2025

Tendency in tip polarity changes in non-contact atomic force microscopy imaging on a fluorite surface

  • Bob Kyeyune,
  • Philipp Rahe and
  • Michael Reichling

Beilstein J. Nanotechnol. 2025, 16, 944–950, doi:10.3762/bjnano.16.72

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  • insulator materials in real space with unprecedented spatial resolution [2][3][4][5][6]. Besides high-resolution imaging of molecular structures [7], NC-AFM has demonstrated its ability to identify sublattices of atomic surfaces [8][9][10]. In these studies, the knowledge of the tip’s atomic structure plays
  • a vital role as the tip-terminating cluster uniquely interacts with the different surface atoms. At cryogenic temperatures, the use of functionalized tips such as as CO-terminated tips [6][11], Xe-terminated tips [12][13][14] and O-terminated Cu tips [15][16][17] has become the state-of-the-art for
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Published 26 Jun 2025

Synthesis of biowaste-derived carbon-dot-mediated silver nanoparticles and the evaluation of electrochemical properties for supercapacitor electrodes

  • Navya Kumari Tenkayala,
  • Chandan Kumar Maity,
  • Md Moniruzzaman and
  • Subramani Devaraju

Beilstein J. Nanotechnol. 2025, 16, 933–943, doi:10.3762/bjnano.16.71

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  • supercapacitors involves two different kinds of charge-storing mechanisms: pseudocapacitance and electric double-layer capacitance (EDLC) [5]. The reversible redox processes are the primary charge-storage mechanism for pseudocapacitors [6]. Even though the capacitance value of pseudocapacitors is theoretically
  • reported that the difference between the two peaks was around 6 eV, which indicates that silver was present in the PG-CDs-AgNPs in the form of nanoparticles of zero-valent silver [33]. Therefore, the XPS results proved that the PG-CDs-AgNPs were successfully synthesized. Additionally, CDs triggered the
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Published 24 Jun 2025

Structural and magnetic properties of microwave-synthesized reduced graphene oxide/VO2/Fe2O3 nanocomposite

  • Sumanta Sahoo,
  • Ankur Sood and
  • Sung Soo Han

Beilstein J. Nanotechnol. 2025, 16, 921–932, doi:10.3762/bjnano.16.70

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  • , including their derivatives, are broadly explored for miscellaneous applications, such as energy storage/conversion, EMI shielding, biosensing, optoelectronics, robotics, flexible electronics, paint industries, textile industries, biomedical devices [5][6][7]. To be specific, the innovation of graphene
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Published 20 Jun 2025

Focused ion beam-induced platinum deposition with a low-temperature cesium ion source

  • Thomas Henning Loeber,
  • Bert Laegel,
  • Meltem Sezen,
  • Feray Bakan Misirlioglu,
  • Edgar J. D. Vredenbregt and
  • Yang Li

Beilstein J. Nanotechnol. 2025, 16, 910–920, doi:10.3762/bjnano.16.69

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  • magnetic or superconductive structures can be created [1][2][3][4]. Also, specific mechanical structures on atomic force microscopy (AFM) cantilevers can be made [5][6]. In the literature, four mechanisms are used to explain the complex process of focused ion beam-induced deposition (FIBID) [5][7]; the
  • nozzle kept about 100 μm above the sample surface. The chamber pressure of the Cs+ and the Ga+ FIB was about 5 × 10−7 mbar before deposition and 8 × 10−6 mbar during deposition. For Pt deposition, a beam step size of −150% of the beam diameter was used with an upper limit of 200 nm for the Cs FIBID to
  • density of 6 pA·μm−2 . Before deposition, a small part of the Si substrate was gently milled with the Cs+ FIB at 16 kV, such that any native oxide and other contaminations were completely removed at this location. With that, the influence of oxygen molecules on the deposited layer can be excluded. The
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Published 16 Jun 2025

Characterization of ion track-etched conical nanopores in thermal and PECVD SiO2 using small angle X-ray scattering

  • Shankar Dutt,
  • Rudradeep Chakraborty,
  • Christian Notthoff,
  • Pablo Mota-Santiago,
  • Christina Trautmann and
  • Patrick Kluth

Beilstein J. Nanotechnol. 2025, 16, 899–909, doi:10.3762/bjnano.16.68

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  • attracted significant attention in the past decade because of their broad applicability in a variety of areas including biosensing, micro/ultrafiltration, desalination, ion and molecular separation, dialysis, battery technologies, blue energy generation, and nanofluidics [1][2][3][4][5][6][7][8][9][10][11
  • , including selectivity, throughput, and molecular capture. Small-angle X-ray scattering (SAXS) has proven to be an invaluable tool for characterizing nanopore membranes, offering nondestructive analytical capabilities that yield statistical information of more than 106 pores [6][13][29][40]. With a beam size
  • measured pore radii, we estimate track etch rates of 69 ± 3 nm/min for thermal and 90 ± 6 nm/min for PECVD SiO2, respectively. While the scanning electron microscopy images reveal the variation in nanopore size for PECVD SiO2 compared to thermal SiO2, as well as differences in nanopore morphology, these
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Published 12 Jun 2025

Heat-induced transformation of nickel-coated polycrystalline diamond film studied in situ by XPS and NEXAFS

  • Olga V. Sedelnikova,
  • Yuliya V. Fedoseeva,
  • Dmitriy V. Gorodetskiy,
  • Yuri N. Palyanov,
  • Elena V. Shlyakhova,
  • Eugene A. Maksimovskiy,
  • Anna A. Makarova,
  • Lyubov G. Bulusheva and
  • Aleksandr V. Okotrub

Beilstein J. Nanotechnol. 2025, 16, 887–898, doi:10.3762/bjnano.16.67

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  • producing hybrid materials which combine these two forms of carbon [1][2][3]. In particular, such graphene-on-diamond heterostructures have been shown to be attractive for power electronics [4][5], microelectronic devices [6][7], and detectors [7][8]. At room temperature and atmospheric pressure, carbon in
  • PCD. Next, we annealed it and conducted angle-dependent TEY NEXAFS measurements at the C K-edge. Figure 6 compares the C K-edge spectra of the bare polished (110) face of SCD (Figure 6a) and the Ni-coated (110) face of SCD (Figure 6b) after annealing and subsequent cooling to room temperature. The
  • subtraction of a Shirley’s background. The morphology of the clean and Ni-coated PCD film after annealing in high vacuum at 1100 °C was studied using SEM with a JEOL 6700F microscope (accelerating voltage of 5 kV, JEOL Ltd., Tokyo, Japan). EDX spectroscopy analysis was carried out on a Bruker XFlash 6
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Published 12 Jun 2025

Ar+ implantation-induced tailoring of RF-sputtered ZnO films: structural, morphological, and optical properties

  • Manu Bura,
  • Divya Gupta,
  • Arun Kumar and
  • Sanjeev Aggarwal

Beilstein J. Nanotechnol. 2025, 16, 872–886, doi:10.3762/bjnano.16.66

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  • displays [5], solar cells [6], and light-emitting diodes [7]. There are numerous methods for synthesizing ZnO films, including pulsed laser deposition, spray pyrolysis, radio frequency (RF) sputtering, and sol–gel techniques. Here RF sputtering is preferred over other methods because it provides high
  • cleaned using acetone and, finally, isopropyl alcohol before the experiment. The sputtering chamber is pumped to a base pressure of 1.2 × 10−6 Torr; then a mixture of nitrogen and argon gas is introduced into the sputtering chamber with flows of 1.8 and 10.0 sccm, respectively. When the pressure inside
  • appropriate physical model is designed and fitted using different ellipsometry parameters to obtain the least root mean square error. The thickness of the as-grown ZnO films was found to be around 296 ± 6 nm. Moreover, the thickness of ZnO films calculated using cross-sectional FESEM images was of the same
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Published 11 Jun 2025

Insights into the electronic and atomic structures of cerium oxide-based ultrathin films and nanostructures using high-brilliance light sources

  • Paola Luches and
  • Federico Boscherini

Beilstein J. Nanotechnol. 2025, 16, 860–871, doi:10.3762/bjnano.16.65

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  • ]. Additionally, because of their often high efficiency at harnessing solar energy, they find application in photocatalysis and photovoltaics [5][6]. Optimizing these applications requires unravelling the often complex processes that influence functionality through an atomic-level description. To this end
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Published 10 Jun 2025
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