Wavelength-dependent correlation of LIPSS periodicity and laser penetration depth in stainless steel

• Nitin Chaudhary,
• Chavan Akash Naik,
• Shilpa Mangalassery,
• Jai Prakash Gautam and
• Sri Ram Gopal Naraharisetty

Beilstein J. Nanotechnol. 2025, 16, 1302–1315, doi:10.3762/bjnano.16.95

• density coherently oscillates, coupled to both media. Usually, LIPSS formation is a multipulse phenomenon, as pulse after pulse create a different roughness on the surface or feedback mechanism to form certain SPP modes. The interference of incoming light with scattering from the SPP modes can lead to the

• patterns. Perfect overlapping optimization becomes paramount in this process; any discrepancies in overlapping, whether excessive or insufficient, can lead to the destruction of LIPSS or incomplete patterning across the large surface area. From the correlation between wavelength and spot diameter, the spot

Enhancing the photoelectrochemical performance of BiOI-derived BiVO₄ films by controlled-intensity current electrodeposition

• Huu Phuc Dang,
• Khanh Quang Nguyen,
• Nguyen Thi Mai Tho and
• Tran Le

Beilstein J. Nanotechnol. 2025, 16, 1289–1301, doi:10.3762/bjnano.16.94

• showed that the film exhibited inhomogeneous coverage and an inconsistent PEC response, which could lead to misleading interpretations when comparing the material trends. Therefore, these samples were not included in subsequent analyses to maintain the clarity and consistency of the dataset

Functional bio-packaging enhanced with nanocellulose from rice straw and cinnamon essential oil Pickering emulsion for fruit preservation

• Tuyen B. Ly,
• Duong D. T. Nguyen,
• Hieu D. Nguyen,
• Yen T. H. Nguyen,
• Bup T. A. Bui,
• Kien A. Le and
• Phung K. Le

Beilstein J. Nanotechnol. 2025, 16, 1234–1245, doi:10.3762/bjnano.16.91

• of persimmons was maintained up to 63 days in cold storage [35]. The major challenge of using CEO is its hydrophobic nature, which prevents it from blending with the biopackaging casting solution, and its volatile and unstable structure, which can lead to significant loss of efficacy over time [36

Hydrogels and nanogels: effectiveness in dermal applications

• Jéssica da Cruz Ludwig,
• Diana Fortkamp Grigoletto,
• Daniele Fernanda Renzi,
• Wolf-Rainer Abraham,
• Daniel de Paula and
• Najeh Maissar Khalil

Beilstein J. Nanotechnol. 2025, 16, 1216–1233, doi:10.3762/bjnano.16.90

• [20][21], drug monitoring in biological fluids [22], CO2 absorption from the atmosphere [23], dye removal from industrial effluents [24], cavity-prevention in oral products [25], insect repellent coating for textiles [26], lead detection in water reservoirs [27], production of vaccines [28], and

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

• PSs have their hydrophobicity as drawback, which can lead to the formation of aggregates in aqueous solutions, compromising bioavailability and photodynamic activity [5]. The aggregation of the PS decreases its photoactive properties since, for its action, it must be in the monomeric form, in which

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

• channels contributing to its selective permeability [12][13]. Also integrated into the outer membrane, specific tension-activated channel proteins are responsible for the osmoregulation of the membrane envelope and its protection from threatening conditions such as severe osmotic downshocks, which can lead

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

• asymmetry in our model, since they are generated through a single element Lout, common to both receiving loops. Nevertheless, Lout can lead to an effective asymmetry of the input signal supply, as will be shown below. Let us try to apply the results obtained above to the experimental data presented in our

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

• lattice [20]. In addition, the synthesis of the CrMnFeCoNi system by arc-discharge plasma method also lead to the formation of fcc HEA NPs [7]. The addition of Al to the high-entropy alloy system was shown to stabilize a bcc-type structure in the synthesized HEA NPs [14][30], while amorphous FeCoNiCrMox

• amorphous. As different pulse durations (ps vs ns) may lead to fundamentally different ablation mechanisms during LAL [50][64], it is conceivable that differences in sample compositions (content and distribution of the elements Cr, Mn, Fe, Co, Ni) may be responsible for the observed pulse-duration-dependent

• remelting already occurs after the first laser pulse, continuous ablation of the same area with consecutive pulses could lead to the creation of NPs with Mn enrichment. All in all, the composition of metallic constituents in all HEA NPs analyzed agrees well with the determined composition of the bulk target

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

• determined by Beer’s law, whereas the microscope underestimates this absorption by 10–20%. This surprising observation highlights the need for future work to identify the microscope feature(s) that lead to this quantitative discrepancy. Keywords: 3D imaging; mathematical model; Mie theory; nanoparticle

• component, for example, a tilt of the incoming beam relative to the optical axis defined by the zone plate and camera (Figure 4c). In this case, the condenser will be aligned relative to the tilted incoming beam and will lead to polar angles θ of plane wave illumination that vary as a function of the

• similar significant undershoot and a slight overshoot of the pc-Mie model compared to the data (Figure 5). This significant undershoot cannot be explained by errors in estimating the diameters of the slightly oblong nanospheres by SEM, as these estimation errors lead to only small differences in the

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

• practice, additional heating of the substrates, reducing the pressure in the working chamber, applying additional electrical bias to the substrates, or using ion beam assistance are used. All of these methods lead to an increase in the total energy of the nucleating particles on the substrate. Ion beam

• such as substrate temperature, deposition rate, substrate biasing, and ion beam gun settings. Moreover, post-process annealing can lead to a reduction in thermal stress due to the difference in thermal expansion coefficients between the film and the substrate and can also affect internal stress by

• showed that the annealed film was composed of big, elongated grains with a length from 160 to 350 nm (Figure 3a). It is worth noting that the coatings had a milky color. This was probably the result of the size of grains, which could lead to a significant scattering of light. In contrast, the use of the

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

• [57]. Moreover, sonoporation, a mechanical effect of US, may lead to a temporarily perturbation of cell membrane homeostasis and disruption of the cell membrane [58]. Additionally, US exposure could cause cells to detach from the surface, potentially leading to their removal during the washing process

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

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

• electron transfer. Either reductive or oxidative pathways usually lead to NO loss and the concomitant formation of an anlinyl radical intermediate, which evolves to the stable photoproduct 2b after H transfer. In our case, such a process involves mainly the lowest singlet state of ABF. This hypothesis is

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

• to liquid) should lead to restructuring. In a simple model, the laser energy is converted into heat that will be localized in the absorbing part within the laser penetration depth. Absorption is linear as expressed by the (known) absorption cross section. In the model by Takami et al. [46], which is

• further until the evaporation threshold is reached. Evaporation again requires additional energy to overcome heat of fusion. Only evaporation can lead to expulsion of material and formation of clusters in this context via condensation of the vapor. Further processes that will be described in the laser

• of electrons (of the order of 10%) can be excited, which would lead to changes of the interatomic forces faster than electron–phonon coupling. This has been seen in semiconductors [24][112] in particular. The electron–phonon coupling will increase the temperature of the lattice, which will undergo

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

• diminish with higher acceleration voltages. This is why only 2 and 5 kV Cs+ depositions lead to surface bubbles. Because the Pt layers deposited with Cs+ ions at 2 kV are so sensitive to air exposure, the deposition rate and the resistivity measurements will mainly focus on layers deposited with

• Figure 9a, this may lead to a higher electrical resistivity. The changes in resistivity are not immediately obvious from the chemical composition of the deposits. Speculation based on the microstructure provides a probable cause for this decreasing resistivity vs beam energy. Figure 7 shows that the

• resistivity decreases despite a similar chemical composition. However, it is unclear why Cs+ FIBID-Pt would have a higher resistivity than Ga+ FIBID-Pt under similar beam conditions since the Cs+ FIBID was observed to have the lowest O%, which should lead to a smaller resistivity. So this might be a combined

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

• 450 and 650 nm, which are ascribed to the presence of defects like oxygen vacancies, oxygen interstitials, zinc vacancies, and zinc interstitials. The defects lead to the formation of sub-bandgap levels [42][43]. Further, the peak positions of these absorption peaks shift towards shorter wavelengths

• Figure 11. Generally, implanted ions lead to the production of point defects, which act as trapping centers and affect the optical absorption [47]. Thus, a progressive decrement in bandgap values with increasing fluence is ascribed to lattice disorder due to argon ion implantation. Moreover, we have

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

• solvents (e.g., acetone) allow for rapid NP formation. This can result in bimodal size distributions (with smaller nanoparticles (1–35 nm) and some larger particles (50–60 nm)) with an average size of 17.06 nm due to uneven growth conditions, which may lead to broader size distributions or agglomeration

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

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

• ]. The LFL of lipophilic drugs is of particular interest in improving their dissolution properties and oral absorption. Better dissolution properties and dissolution rates lead to a higher saturation limit, which allows one to reduce the required amount of the drug [38]. However, for sensitive active

• materials, with curcumin not only reaching higher yields but also higher product selectivity. Nevertheless, it is noticeable as a common trend for both model substances that low concentrations (0.01 wt % curcumin or 0.1 wt % CBD) lead to the best increase in fragmentation efficiency, but also result in an

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

• charge distribution, to list the most important features. If the building blocks are crystallites, any change in the structure or chemical composition may lead to the formation of incoherent or coherent interfaces among them which may influence the final properties of the material. Often the volumes of

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

• -vacuum conditions, a small residual oxygen concentration inevitably remains within the deposition chamber. At elevated temperatures, the reactivity of these residual oxygen molecules increases, facilitating their adsorption onto the growing film surface. However, an increase in N2 pressure can lead to

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

• ability of a solar cell to generate electrical current effectively. Particularly, the relative capability of the two interfaces to properly extract and block charges is critical, since issues such as energetic misalignment, trap states, and interfacial recombination may lead to an uneven extraction and

• charge transport to the terminal. Furthermore, as a strong Lewis acid, BCF passivates mobile iodide defects at the perovskite/HTL interface, which act as recombination centers, thus reducing non-radiative recombination losses and improving hole extraction efficiency. These beneficial effects lead to a

• , with an oxygen flow of 10 L/min. Then, a 1 M methylammonium lead iodide (MAPI) precursor solution was prepared (lead iodide 99.99% trace metals basis from TCI, methylammonium iodide >99.99% from Greatcell solar) with the materials dissolved in a DMF/DMSO (4:1) solvent and spin-coated using a two-step

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

• reliability of capacitors [10]. Similarly, in next-generation photovoltaic devices, the dielectric properties of absorber layers, such as lead-halide perovskites, affect carrier recombination and electric field distribution, thereby influencing power conversion efficiency [11]. At the nanoscale, the

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

• in the silk thread needs to be removed for biomedical applications because it can lead to allergic reactions [75][76]. Recently, it has been reported that sericin, when used alone, is a biocompatible material. However, combining SF and sericin compromises its biocompatibility [77]. The SF produced by

• be made of PU. However, PU in such devices may degrade when placed within the human body, which could lead to device failure [141]. Many researchers have found it difficult to explore these events because of the complexity in vivo. Hence, many studies have been conducted to learn more about the ways

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

• increases the mobility of the particle and the chances to collide and accumulate, results larger diameter of CNF. An equivalence ratio of 1.60 favors the formation of amorphous carbon, which can be attributed also to the reaction conditions. The thermal conditions at an equivalence ratio of 1.60 lead to a