Synthesis and magnetic transitions of rare-earth-free Fe–Mn–Ni–Si-based compositionally complex alloys at bulk and nanoscale

• Shabbir Tahir,
• Tatiana Smoliarova,
• Carlos Doñate-Buendía,
• Michael Farle,
• Natalia Shkodich and
• Bilal Gökce

Beilstein J. Nanotechnol. 2025, 16, 823–836, doi:10.3762/bjnano.16.62

• diameter = 10 mm and uniaxially compressed at 50 MPa. SPS was carried out at 1073 K with a dwelling time of 10 min and a heating rate of 100 K·min−1. The temperature was measured by a K-type thermocouple placed in a radial hole inside the die. The SPS-processed disks had a thickness of d = 3–4 mm and a

• increasing temperature reflects the greater impact of thermal fluctuations on nanoscale materials. The magnetic response of the Al-based CCA NPs exhibited a behavior (Figure 7c,d) similar to that of the Ge-based CCA NPs. The magnetization increases with temperature, reaching a peak at superparamagnetic

• chamber. (a, c) SEM (SE) and EDX elemental maps of Mn, Fe, Ni, Ge, and Si obtained for bulk the Ge-based CCA and Mn, Fe, Ni, Al, and Si, obtained for bulk Ge-based CCA. (b, d) X-ray diffraction (XRD) patterns of the bulk Ge-based CCA and the bulk Al-based CCA, showing the presence of side phases. Particle

Supramolecular hydration structure of graphene-based hydrogels: density functional theory, green chemistry and interface application

• Hon Nhien Le,
• Duy Khanh Nguyen,
• Minh Triet Dang,
• Huyen Trinh Nguyen,
• Thi Bang Tam Dao,
• Trung Do Nguyen,
• Chi Nhan Ha Thuc and
• Van Hieu Le

Beilstein J. Nanotechnol. 2025, 16, 806–822, doi:10.3762/bjnano.16.61

• coated with nanosilica. The nanosilica-coated films were denoted as SG/PLA. Materials characterization Materials weight and moisture values were measured using a laboratory balance (Ohaus Pioneer, 220 g/0.0001 g) and a moisture analyzer (A&D Weighing MX-50, 51 g/0.001 g), respectively. Scanning electron

• Brillouin zone (d). (a) Illustration of supramolecular self-assembly of a graphene-based hydrogel. (b) Depiction of a natural assembly of biological cells stabilized by hydration structures (water molecules on cell wall membranes are highlighted with blue color). (c) Drawing of a synthetic graphene-based

• nanosheet (GO-SG-ZH) covered by a hydration shell. (d) Presentation of a graphene-based coating (antibacterial GO-SG-ZH) that adheres to a substrate (PLA film). SEM images of GO nanosheets (a), SG nanoparticles (b), and SG-ZH nanoparticles (c). (d) Photograph of graphene oxide–nanosilica–zinc hydroxide

Morphology and properties of pyrite nanoparticles obtained by pulsed laser ablation in liquid and thin films for photodetection

• Akshana Parameswaran Sreekala,
• Bindu Krishnan,
• Rene Fabian Cienfuegos Pelaes,
• David Avellaneda Avellaneda,
• Josué Amílcar Aguilar-Martínez and
• Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 785–805, doi:10.3762/bjnano.16.60

• ), (210), (200) planes with d-spacing values of 2.31, 2.42, and 2.73 Å for pyrite; and (1110) plane at 2.44 Å for FeS are identified and marked in the images. From SAED, a calculated interplanar distance of 1.62 Å can be attributed to (311) or (2018) planes of pyrite or FeS respectively, and 2.7 Å

• corresponds to (200) plane of FeS2. The (206) plane of FeS at 2.65 Å is also identified. In the case of TEM and STEM images of NPs in DMF (Figure 3a,d–f), the majority of the analyzed regions resemble agglomerated ultrafine powders. This agglomeration may be attributed to the higher boiling point of DMF (153

• acetone, well-defined and much bigger spherical particles are formed. The TEM and SEM images are given in Figures 4, 5, and 6 respectively. In all these cases, the HRTEM, SAED, and STEM images are also analyzed. The (220) plane of FeS2 at a d-spacing value of 1.9 Å is identified from SAED patterns in all

Changes of structural, magnetic and spectroscopic properties of microencapsulated iron sucrose nanoparticles in saline

• Sabina Lewińska,
• Pavlo Aleshkevych,
• Roman Minikayev,
• Anna Bajorek,
• Mateusz Dulski,
• Krystian Prusik,
• Tomasz Wojciechowski and
• Anna Ślawska-Waniewska

Beilstein J. Nanotechnol. 2025, 16, 762–784, doi:10.3762/bjnano.16.59

• was as follows: where μ is the magnetic moment of a single nanoparticle and depends on its dimension, f(D) is a log-normal distribution of the nanoparticle diameters and it was the same in each fit, and MS is the saturation magnetization of the sample [32]. The χ·B term in Equation 2 describes the

• total linear component of the magnetization curves which expresses the possible antiferromagnetic susceptibility of the nanoparticles [35][36][37], and paramagnetic and diamagnetic contributions from the additives and from the sample holder (if any). It should be noted that μ, f(D), MS, and χ were the

• fitting parameters. One of the start values in the fitting procedure was the median of D, named <D>, and its standard deviation σ, which were difficult to estimate as the distribution of nanoparticle diameters f(D) was not known. Following the literature values for iron sucrose nanoparticles in other

Thickness dependent oxidation in CrCl₃: a scanning X-ray photoemission and Kelvin probe microscopies study

• Shafaq Kazim,
• Rahul Parmar,
• Maryam Azizinia,
• Matteo Amati,
• Muhammad Rauf,
• Andrea Di Cicco,
• Seyed Javid Rezvani,
• Dario Mastrippolito,
• Luca Ottaviano,
• Tomasz Klimczuk,
• Luca Gregoratti and
• Roberto Gunnella

Beilstein J. Nanotechnol. 2025, 16, 749–761, doi:10.3762/bjnano.16.58

• thicker flakes, which show alteration patterns similar to those observed in bulk-cleaved samples (Kazim, S.; Mastrippolito, D.; Moras, P.; Jugovac, M.; Klimczuk, T.; Ali, M.; Ottaviano, L.; Gunnella, R. Phys. Chem. Chem. Phys.2023, 25, 3806–3814. doi:10.1039/D2CP04586A). This preliminary study

• Figure 1a and Figure 2a, we report a series of CrCl3 flakes of different thicknesses based on optical determination, and in Figure 1b and Figure 2c,d, we present the related AFM images to evaluate the thickness. Profile 3 in Figure 1b shows the minimum observable flake thickness of CrCl3, which yields a

• on the SiO2 substrate. The average thicknesses of L and T CrCl3 flakes on the SiO2 substrate are about 5.3 and 76.5 nm, respectively. Figure 8b,d shows the Kelvin potential maps and the corresponding potential profiles. An obvious variation in the Kelvin potential of the flakes (VKP), that is, the

Serum heat inactivation diminishes ApoE-mediated uptake of D-Lin-MC3-DMA lipid nanoparticles

• Demian van Straten,
• Luuk van de Schepop,
• Rowan Frunt,
• Pieter Vader and
• Raymond M. Schiffelers

Beilstein J. Nanotechnol. 2025, 16, 740–748, doi:10.3762/bjnano.16.57

• performed to prevent complement system activation. However, the effect of this process on protein corona formation and, in turn, LNP functionality is unclear. Here, we investigated the effects of serum heat inactivation on protein corona formation on LNPs containing D-lin-MC3-DMA (MC3) or C12-200 (C12

• subsequent cell-nanoparticle interactions remains unclear. Here, the effect of FCS heat inactivation on the in vitro behavior of the clinically applied and most studied D-Lin-MC3-DMA (MC3) LNPs was investigated and compared to LNPs containing a different ionizable lipid, C12-200 (C12). Moreover, mechanisms

• at Sigma-Aldrich. D-Lin-MC3-DMA and C12-200 were obtained from GKV Bio. 1,2-Dimyristoyl-rac-glycero-3-methoxypolyethylene glycol-2000 (DMG-PEG(2000)), 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) and 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[biotinyl(polyethylene glycol)-2000] (DSPE-PEG

Synthesis of a multicomponent cellulose-based adsorbent for tetracycline removal from aquaculture water

• Uyen Bao Tran,
• Ngoc Thanh Vo-Tran,
• Khai The Truong,
• Dat Anh Nguyen,
• Quang Nhat Tran,
• Huu-Quang Nguyen,
• Jaebeom Lee and
• Hai Son Truong-Lam

Beilstein J. Nanotechnol. 2025, 16, 728–739, doi:10.3762/bjnano.16.56

• equilibrium toward the β-keto enolate form, leading to the deprotonation of TC molecules and complex formation with Ca2+. Experimental results indicate that a 1:3 Ca2+/TC complex is favored at pH 6.8 (Figure 6a) [29]. The adsorption mechanism of TC onto PGC is illustrated in Figure 6b,c,d. This mechanism

• efficiency of the synthesis. (a‒c) FE-SEM images of commercial CMC, (d‒f) FE-SEM images of PGC, and (g) FTIR spectra of commercial CMC and PGC. (a, b) EDX spectra and elemental compositions of commercial CMC and PGC, respectively; (c) morphology image of CMC; (d–f) elemental mapping images of commercial CMC

• PGC. (d) Effect of initial concentration on the adsorption capacity of PGC. (a) Langmuir adsorption isotherms. (b) Freundlich adsorption isotherms. (c) Variation of the equilibrium constant RL as a function of initial concentration. (a) Structure of the Ca2+‒TC complex formed at pH 6.8. Adsorption

Efficiency of single-pulse laser fragmentation of organic nutraceutical dispersions in a circular jet flow-through reactor

• Tina Friedenauer,
• Maximilian Spellauge,
• Alexander Sommereyns,
• Verena Labenski,
• Tuba Esatbeyoglu,
• Christoph Rehbock,
• Heinz P. Huber and
• Stephan Barcikowski

Beilstein J. Nanotechnol. 2025, 16, 711–727, doi:10.3762/bjnano.16.55

Nanostructured materials characterized by scanning photoelectron spectromicroscopy

• Matteo Amati,
• Alexey S. Shkvarin,
• Alexander I. Merentsov,
• Alexander N. Titov,
• María Taeño,
• David Maestre,
• Sarah R. McKibbin,
• Zygmunt Milosz,
• Ana Cremades,
• Rainer Timm and
• Luca Gregoratti

Beilstein J. Nanotechnol. 2025, 16, 700–710, doi:10.3762/bjnano.16.54

• . Cathodoluminescence measurements demonstrated the presence of a visible emission at 2.5 eV associated with Ni deficiency, whose relative intensity varies as a function of the thermal treatment and the consequent structure of defects. The NiO samples showed additional luminescence due to Ni interstitial and d–d

• and II correspond to different Se 3d5/2 states. c) Map in the Se 3d contrast plotted as II/III intensity ratio in each point, where II and III are the intensities of the Se 3d5/2 peak in the energy regions I and II (panel b)), respectively. Ti 3p and Cr 3p (d), Ti 2p (e) and Cr 2p3/2 (f) core-level

• (Au 4f, right). c) High-resolution In 4d (middle) and P 2p (right) core-level spectra obtained at n-doped (top) and p-doped (bottom) segments of the nanowire shown in b). The band structure across the p–n junction is indicated (left). d) In 3d SPEM image of the same nanowire, positions of the spectra

High-temperature epitaxial growth of tantalum nitride thin films on MgO: structural evolution and potential for SQUID applications

• Michelle Cedillo Rosillo,
• Oscar Contreras López,
• Jesús Antonio Díaz,
• Agustín Conde Gallardo and
• Harvi A. Castillo Cuero

Beilstein J. Nanotechnol. 2025, 16, 690–699, doi:10.3762/bjnano.16.53

• undergo during the ablation process. Figure 1 presents the deconvolution of high-resolution XPS peaks for Ta 4f, shown both before (Figure 1a,b) and after (Figure 1c,d) heating the substrate. The peaks were fitted using Gaussian functions. The relative atomic concentrations of Ta and N were calculated

• limited oxygen availability and the dominant role of nitrogen flow. The samples in Figure 1c,d present a stoichiometry closer to that of TaN than the smaples in Figure 1a,b; they have an atomic composition of Ta2O5, and the doublet shape is more defined. Table 2 shows the atomic composition of samples

• interplanar spacing was found to be d = 2.115 Å, while the film’s interplanar spacing was slightly larger, d = 2.176 Å. This slight mismatch is typical for epitaxial growth, where the film adapts to the lattice parameters of the substrate (Figure 6c). In regions farther from the substrate, the interplanar

The impact of tris(pentafluorophenyl)borane hole transport layer doping on interfacial charge extraction and recombination

• Konstantinos Bidinakis and
• Stefan A. L. Weber

Beilstein J. Nanotechnol. 2025, 16, 678–689, doi:10.3762/bjnano.16.52

• the cell edges under open-circuit conditions. In Supporting Information File 1, Figure S11a–d we can identify that in the case of the spiro-OMeTAD cell, there is an increase in the perovskite dark CPD, indicative of n-type doping, indirectly induced by the BCF additive. For the PTAA cell, the

• (Supporting Information File 1, Figure S10). In Figure 5a–d we again identified the charge separating junctions in each cell, as calibrated by the AFM and SEM images (Supporting Information File 1, Figure S4). In the cells that use spiro-OMeTAD as HTL, we can identify that positive charges get separated at

• reported elsewhere in the literature [53][54]. In Figure 5a–d (vertical red lines) we can see that both devices that do not include BCF exhibit this shift of the electron blocking interface (≈40 nm for the spiro-OMeTAD device, ≈45 nm for the PTAA device), which indicates the negative interaction of the

Colloidal few layered graphene–tannic acid preserves the biocompatibility of periodontal ligament cells

• Teissir Ben Ammar,
• Naji Kharouf,
• Dominique Vautier,
• Housseinou Ba,
• Nivedita Sudheer,
• Philippe Lavalle and
• Vincent Ball

Beilstein J. Nanotechnol. 2025, 16, 664–677, doi:10.3762/bjnano.16.51

• S1B, Supporting Information File 1) shows that they are spherical and that they remodel into clusters on the surface. Raman spectra recorded for the initial graphite and the synthesized FLG–TA exhibits typical D, G, and 2D vibration bands centered at 1355, 1583, and 2720 cm−1, respectively. It is

• known that the D band corresponds to structural defects, while the G band relates to the doubly degenerated phonon mode associated with the relative movement of sp2-bonded C–C atoms [21]. Figure 2A shows that the ID/IG ratio shifts from 0.54 for initial graphite to 0.16 for FLG–TA. This data indicates

• FLG–TA has a low defect content, evidenced by its weak D peak. Although the absorption of carbonyl functions in TA molecules might influence the defect ratio for FLG–TA because of the increase in the G peak (Figure S2, Supporting Information File 1, shows the Raman spectrum of TA powder), it remains

Aprepitant-loaded solid lipid nanoparticles: a novel approach to enhance oral bioavailability

• Mazhar Hussain,
• Muhammad Farooq,
• Muhammad Asad Saeed,
• Muhammad Ijaz,
• Sherjeel Adnan,
• Zeeshan Masood,
• Muhammad Waqas,
• Wafa Ishaq and
• Nabeela Ameer

Beilstein J. Nanotechnol. 2025, 16, 652–663, doi:10.3762/bjnano.16.50

• studies Fourier-transform infrared spectroscopy (FTIR) was performed using an Agilent Technologies Cary 660 apparatus to detect the physicochemical interaction between APT and β-CD and poloxamer 407. The spectra were recorded in a wave number range of 4000 to 400 cm−1. X-ray diffraction (XRD, D/MAX-2500

• -loaded SLNs in 0.1 N HCl (pH 1.2) and phosphate-buffered saline (pH 7.4). (a) Zeta Potential and (b) particle size of APT-CD-NP4. SEM photomicrographs of (a, b) APT-CD-NP4 and (c, d) APT-PX-NP8. (a) FTIR spectra and (b) X-ray diffractograms of APT, poloxamer 407, β-CD, APT-CD-NP4, and APT-PX-NP8. (a) TGA

• formulation APT-CD-NP4 after the accelerated stability studies. (a) Initial sample, (b) after one month, (c) after two months, (d) after three months, and (e) after six months. Drug content, encapsulation efficiency, particle size, zeta potential, and polydispersity index (PDI) of SLN formulations before and

Nanoscale capacitance spectroscopy based on multifrequency electrostatic force microscopy

• Pascal N. Rohrbeck,
• Lukas D. Cavar,
• Franjo Weber,
• Peter G. Reichel,
• Mara Niebling and
• Stefan A. L. Weber

Beilstein J. Nanotechnol. 2025, 16, 637–651, doi:10.3762/bjnano.16.49

• Pascal N. Rohrbeck Lukas D. Cavar Franjo Weber Peter G. Reichel Mara Niebling Stefan A. L. Weber Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany Department of Chemistry, University of Mainz, Duesbergweg 10-14, 55128 Mainz, Germany Department of Physics, University

• ″ To demonstrate the capabilities of MFH-EFM as an imaging method, we performed experiments on self-assembled nanostructures consisting of the amphiphilic molecule F14H20 (Figure 7). F14H20 exhibits a strong dipole moment of 3.1 D oriented along the chains consisting of fluorinated and hydrogenated

• under excitation at 235.579 kHz. (d) C″ image detected at ωm,2 under excitation at frequencies of 1.59 and 1.98 MHz. (e) Electric phase φel of the C″ signal detected at ωm,2 under excitation at frequencies of 1.59 and 1.98 MHz. (f) Profiles of the phase images shown in (c) and (e) with 128 pixels width

A formulation containing Cymbopogon flexuosus essential oil: improvement of biochemical parameters and oxidative stress in diabetic rats

• Ailton Santos Sena-Júnior,
• Cleverton Nascimento Santana Andrade,
• Pedro Henrique Macedo Moura,
• Jocsã Hémany Cândido dos Santos,
• Cauãn Torres Trancoso,
• Eloia Emanuelly Dias Silva,
• Deise Maria Rego Rodrigues Silva,
• Ênio Pereira Telles,
• Luiz André Santos Silva,
• Isabella Lima Dantas Teles,
• Sara Fernanda Mota de Almeida,
• Daniel Alves de Souza,
• Jileno Ferreira Santos,
• Felipe José Aidar Martins,
• Ana Mara de Oliveira e Silva,
• Sandra Lauton-Santos,
• Guilherme Rodolfo Souza de Araujo,
• Cristiane Bani Correa,
• Rogéria De Souza Nunes,
• Lysandro Pinto Borges and
• Ana Amélia Moreira Lira

Beilstein J. Nanotechnol. 2025, 16, 617–636, doi:10.3762/bjnano.16.48

• infiltrate showed signs of cell degeneration (D), but to a limited extent, suggesting a controlled inflammatory response and less aggression to the liver tissue. These findings indicate that, despite the presence of moderate lesions, the control group showed less histological impairment compared to the other

• offered food 30 min later to avoid hypoglycemia. Blood was collected by tail puncture to measure blood glucose using an Accu-Chek Go glucometer (Roche Diagnostics GmbH, D-68298, Mannheim, Germany) 72 and 96 h after induction. Only animals with fasting glucose levels equal to or greater than 150 mg/dL were

Polyurethane/silk fibroin-based electrospun membranes for wound healing and skin substitute applications

• Iqra Zainab,
• Zohra Naseem,
• Syeda Rubab Batool,
• Muhammad Waqas,
• Ahsan Nazir and
• Muhammad Anwaar Nazeer

Beilstein J. Nanotechnol. 2025, 16, 591–612, doi:10.3762/bjnano.16.46

Feasibility analysis of carbon nanofiber synthesis and morphology control using a LPG premixed flame

• Iftikhar Rahman Bishal,
• Muhammad Hilmi Ibrahim,
• Norikhwan Hamzah,
• Mohd Zamri Mohd Yusop,
• Faizuan Bin Abdullah,
• I Putu Tedy Indrayana and
• Mohd Fairus Mohd Yasin

Beilstein J. Nanotechnol. 2025, 16, 581–590, doi:10.3762/bjnano.16.45

• delivery, tissue engineering, and implants [7]. Methods of CNT/CNF synthesis include (a) chemical vapor deposition, (b) arc discharge, (c) flame synthesis, and (d) laser ablation [1]. Flame-assisted synthesis is a promising method for efficient and continuous one-step production. Various flame

• 1350 cm−1 for ID and 1592 cm−1 for IG. Generally, the formation of sp2-hybridized carbon atoms is often correlated to Raman spectra having G peaks at 1550–1600 cm−1, indicating the crystallinity. Similarly, a D peak at 1250–1450 cm−1 often correlates to defects and disorders of the sp2-hybridized

• peaks at around 1300–1400 cm−1 and 1500–1600 cm−1, respectively, for the CNFs synthesized Φ = 1.8. These peaks prove that CNFs are present in the sample. The peak of the D band is larger than that of the G band, which means that the CNFs in the sample have more defects or disorders than crystalline CNFs

Nanomaterials in targeting amyloid-β oligomers: current advances and future directions for Alzheimer's disease diagnosis and therapy

• Shiwani Randhawa,
• Trilok Chand Saini,
• Manik Bathla,
• Rahul Bhardwaj,
• Rubina Dhiman and
• Amitabha Acharya

Beilstein J. Nanotechnol. 2025, 16, 561–580, doi:10.3762/bjnano.16.44

Retrieval of B1 phase from high-pressure B2 phase for CdO nanoparticles by electronic excitations in Cd_xZn_1−xO composite thin films

• Arkaprava Das,
• Marcin Zając and
• Carla Bittencourt

Beilstein J. Nanotechnol. 2025, 16, 551–560, doi:10.3762/bjnano.16.43

• the presence of the B2 phase. In the Zn L3,2 edge (inset of Figure 4b), the B1 feature is magnified, clearly illustrating the changes in the B1 feature corresponding to the willemite Zn2SiO4 phase across all three thin films. Influence of irradiation on Zn2SiO4 phase from Si 2p XPS spectra Figure 5a–d

• . Furthermore, the Zn 2p3/2 peak in the CZ900_313Ag thin film exhibits a shift toward lower binding energy, consistent with the formation of VO defects. The presence of the Zn2SiO4 phase is further supported by the O 1s and Si 2p3/2 peaks, as shown in Figure 5c,d, respectively. The O 1s peak for the CZ900_Pris

• CZ900_Pris, CZ900_313O, and Z900_313Ag thin films. X-ray photoelectron spectra for Cd 3d5/2 (a), Zn 2p3/2 (b), O 1s (c), and Si 2p3/2 (d) edges for CZ900_Pris, CZ900_313O, and CZ900_313Ag thin films. Plot showing lattice temperature as a function of time using thermal spike code to track diameter calculation

Functionalized gold nanoflowers on carbon screen-printed electrodes: an electrochemical platform for biosensing hemagglutinin protein of influenza A H1N1 virus

• Carlos Enrique Torres-Méndez,
• Sharmilee Nandi,
• Klara Martinovic,
• Patrizia Kühne,
• Yifan Liu,
• Sam Taylor,
• Maria Lysandrou,
• Maria Ines Berrojo Romeyro Mascarenhas,
• Viktoria Langwallner,
• Javier Enrique Sebastián Alonso,
• Ivana Jovanovic,
• Maike Lüftner,
• Georgia-Vasiliki Gkountana,
• David Bern,
• Abdul-Raouf Atif,
• Ehsan Manouchehri Doulabi,
• Gemma Mestres and
• Masood Kamali-Moghaddam

Beilstein J. Nanotechnol. 2025, 16, 540–550, doi:10.3762/bjnano.16.42

• into four groups, namely, influenza A, B, C, and D viruses. The antigenic features of the hemagglutinin (HA) and neuraminidase (NA) glycoproteins on the surface of influenza A viruses are used to further classify the virus into subtypes. Influenza A comprises 18 HA subtypes and 11 NA subtypes, of which

• biosensing system and the effect on electrochemical current upon H1 protein recognition. SEM images of (A) CSPE and (B, C) AuNFs/CSPE; (D) size distribution of the gold nanoflowers on AuNFs/CSPE. CV characterization at different steps of the electrode modification, measurements performed in 0.1 M KCl

Electron beam-based direct writing of nanostructures using a palladium β-ketoesterate complex

• Chinmai Sai Jureddy,
• Krzysztof Maćkosz,
• Aleksandra Butrymowicz-Kubiak,
• Iwona B. Szymańska,
• Patrik Hoffmann and
• Ivo Utke

Beilstein J. Nanotechnol. 2025, 16, 530–539, doi:10.3762/bjnano.16.41

• profiles along vertical and horizontal directions. (c) STEM image of the FEB deposit on a carbon membrane. (d) High-resolution STEM image from the center of the deposit. (e) High-resolution STEM image from the edge of the deposit. (f) SAED pattern from the edge of the deposit. Enlarged version of the

Zeolite materials with Ni and Co: synthesis and catalytic potential in the selective hydrogenation of citral

• Inocente Rodríguez-Iznaga,
• Yailen Costa Marrero,
• Tania Farias Piñeira,
• Céline Fontaine,
• Lexane Paget,
• Beatriz Concepción Rosabal,
• Arbelio Penton Madrigal,
• Vitalii Petranovskii and
• Gwendoline Lafaye

Beilstein J. Nanotechnol. 2025, 16, 520–529, doi:10.3762/bjnano.16.40

• Andrés deposit. Some HEU crystals are indicated by a, b, and c, where a and b exhibit tabular characteristics while c has slat morphology. Mordenite crystals, marked by d, e, and f, show acicular to fibrous shapes. Elemental composition determined by X-ray fluorescence of the materials obtained by IE and

Water in nanoporous hexagonal boron nitride nanosheets: a first-principles study

• Juliana A. Gonçalves,
• Ronaldo J. C. Batista and
• Marcia C. Barbosa

Beilstein J. Nanotechnol. 2025, 16, 510–519, doi:10.3762/bjnano.16.39

• pores that were initially analyzed in this work. The rhombic and triangular pores were passivated with hydrogen atoms, as shown in Figure 2a,b and Figure 3a–d. After optimization, wrinkles were observed in both the rhombic and triangular porous structures, which were not observed in deposited pores [34

• . Triangular pores with (a) B–H and (b) N–H edges, triangular pores with (c) N–H and (d) B–H pairs at 60° vertices, and triangular pores with (e) B–OH and (f) N–H terminations. Diagram illustrating the various adsorption positions of the water molecule on h-BN nanosheets with rhombic pores, frontal view and

• molecule atoms perpendicular to the h-BN monolayer with the oxygen atom near the BH-terminated edge and the hydrogen atoms near the NH-terminated edges; and (d) the plane containing the water molecule atoms perpendicular to the h-BN monolayer, with the oxygen atom near the monolayer and hydrogen atoms

N₂⁺-implantation-induced tailoring of structural, morphological, optical, and electrical characteristics of sputtered molybdenum thin films

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

Beilstein J. Nanotechnol. 2025, 16, 495–509, doi:10.3762/bjnano.16.38

• -centered cubic Mo phase, as per JCPDS no. 01-088-2331 [29]. In Figure 2A, there is a notable reduction in peak intensity of the Mo film after N2+ implantation relative to the as-deposited Mo film. This reveals a significant alteration in structure due to the implantation process. Similarly, in Figure 2B–D

• thin films due to lattice distortions or mismatch was calculated using Wilson’s equation [31][33]: The dislocation density (δ) gives more information about the number of defects in the films; it was calculated from the relation [32]: where D is the average crystallite size. The interplanar spacing (d

• residual stress in the Mo film. The stress induced in the films is calculated using the formula [13][33][37] where Ef is the Young’s modulus, νf represents the Poisson's ratio, d0 corresponds to the bulk interplanar spacing, and d is the calculated interplanar spacing. The material parameters for Mo are Ef

Performance optimization of a microwave-coupled plasma-based ultralow-energy ECR ion source for silicon nanostructuring

• Joy Mukherjee,
• Safiul Alam Mollick,
• Tanmoy Basu and
• Tapobrata Som

Beilstein J. Nanotechnol. 2025, 16, 484–494, doi:10.3762/bjnano.16.37

• applications in nanotechnology and materials science. Block diagram of the components of the high-vacuum plasma ion source. Cross-sectional schematic view of the microwave-coupled ultralow-energy ion beam system. Variation of beam current with (a–c) gas pressure and (d–f) magnetron power for different ion

• energies. Variation of (a–c) beam current with ion extraction voltage at different ion energy; (d) beam current as function of the ion energy; (e) beam current as function of the target position. AFM image (2D and 3D) of the evolution of surface morphology after 450 eV Ar-ion bombardment at different

• incidence angles and irradiation times. The arrow indicates the ion beam direction. Variation of (a–c) surface height modulation of the nanopatterned silicon surface; (d) ripple wavelength and (e) rms roughness as function of the irradiation time. Variation of power spectral density of the nanopatterned