Transient electronics for sustainability: Emerging technologies and future directions

• Jae-Young Bae,
• Myung-Kyun Choi and
• Seung-Kyun Kang

Beilstein J. Nanotechnol. 2025, 16, 1545–1556, doi:10.3762/bjnano.16.109

• and the presence of specific ions, such as hydrogen phosphate and chloride (HPO42− and Cl−) [43] are known to accelerate the degradation process. The biodegradation rate of silicon is also influenced by its crystallographic structure. Polycrystalline silicon degrades faster than single-crystalline

• ) [63][73]. In this process, PI is first coated onto PMMA, followed by photolithographic patterning of the inorganic electronic materials. The PMMA layer is then dissolved, allowing the patterned structure, protected by the thin PI layer, to be transferred onto a desired target substrate. Since the

• thick Mg trace for up to three weeks in PBS (pH 7.4, 37 °C). However, organic films suffer from intrinsic porosity due to their polymer chain structure, which limits their water-blocking performance compared to inorganic counterparts. In contrast, inorganic coatings, traditionally employed in the field

Influence of laser beam profile on morphology and optical properties of silicon nanoparticles formed by laser ablation in liquid

• Natalie Tarasenka,
• Vladislav Kornev,
• Alena Nevar and
• Nikolai Tarasenko

Beilstein J. Nanotechnol. 2025, 16, 1533–1544, doi:10.3762/bjnano.16.108

• Abstract In this study, silicon nanoparticles (NPs) were produced by pulsed laser ablation in a liquid, aiming to investigate the influence of a laser beam profile on the properties of the resultant NPs. Morphology, inner structure, and phase composition of the formed NPs were characterized by means of

• batteries by providing a solution to the urgent problem of large volumetric expansion known for Si during lithiation process [3]. Due to the possibility of lateral expansion in Si nanowires, the cracking of the electrodes during lithiation is minimized. In addition, the one-dimensional structure of Si

• conductivities resulted in NPs of different morphology, structure, and optical characteristics. It should be noted that, as a rule, NPs of nearly spherical morphology are formed by PLAL under typical experimental conditions. Non-spherical NPs were also reported to be produced by PLAL [13]; but this requires

Dendrimer-modified carbon nanotubes for the removal and recovery of heavy metal ions from water

• Thao Quynh Ngan Tran,
• Huu Trung Nguyen,
• Subodh Kumar and
• Xuan Thang Cao

Beilstein J. Nanotechnol. 2025, 16, 1522–1532, doi:10.3762/bjnano.16.107

• , which can be later released by altering the pH of the solution. Numerous nanomaterials have been explored and modified by introducing a high number of binding sites (functional groups) and/or generating a porous structure to enhance the adsorption of heavy metal ions [14][15]. Although such modified

• functionalization process did not alter the intrinsic structure of the materials as the peak profile of all the samples is similar to that of bare CNTs. Moreover, the absence of any extra peaks further confirms that the washing process has effectively removed the residual substrates and DES. FTIR spectroscopy has

• with increasing dendrimer functionalization. SEM images are helpful to identify the morphological changes after the functionalization of CNTs. The comparative observation of SEM images of CNTs, CNTs-G1, CNTs-G3, and CNTs-G5 clearly reveals tube shape structure for all the materials confirming no

Cross-reactivities in conjugation reactions involving iron oxide nanoparticles

• Shoronia N. Cross,
• Katalin V. Korpany,
• Hanine Zakaria and
• Amy Szuchmacher Blum

Beilstein J. Nanotechnol. 2025, 16, 1504–1521, doi:10.3762/bjnano.16.106

• should be detectable directly by UV–vis spectroscopy. Unfortunately, we could not detect binding with any of these dyes (results not shown). All three dyes showed relatively low aqueous solubility, and have their primary amine attached directly to an aromatic ring structure, which may contribute to both

• conclude that the structure of the payload molecule plays a very important role in determining the efficacy of the EDC/NHS coupling reaction, in that steric hindrance and the electronic structure of the molecule are critical parameters to take into consideration when choosing a suitable amine; thus

• , efforts should be made to include a linker, which separates the primary amine from the aromatic ring structure. Importantly, we also note that there is no cross-reactivity observed here, likely due to these same factors that prevent the dyes from binding to surface Fe via their amines, unlike with PPA

Nanomaterials for biomedical applications

• Iqra Zainab,
• Zohra Naseem,
• Syeda Rubab Batool,
• Filippo Pierini,
• Seda Kizilel and
• Muhammad Anwaar Nazeer

Beilstein J. Nanotechnol. 2025, 16, 1499–1503, doi:10.3762/bjnano.16.105

• designing nanomaterials that can bring the drug to the required place and then release it in a planned way. One of the earliest nanocarriers examined for drug delivery was liposomes. They are tiny spheres made of lipids, either naturally or synthetically, and their structure is closely similar to the cell

• can interact directly with cells at the molecular level [30]. This enables scientists to control not only the physical structure of the tissue but also the biological signals that control cell behavior. Releasing growth factors in a controlled way can be a feature of nanostructured scaffolds to

• processes [39]. Therefore, patients can benefit from faster healing, durable implants, and fewer challenges after surgery. Studies are still being conducted to ensure their long-term safety, so their use for therapeutics and tissue structure continue to expand. From cancer therapies to advanced prosthetics

Laser processing in liquids: insights into nanocolloid generation and thin film integration for energy, photonic, and sensing applications

• Akshana Parameswaran Sreekala,
• Pooja Raveendran Nair,
• Jithin Kundalam Kadavath,
• Bindu Krishnan,
• David Avellaneda Avellaneda,
• M. R. Anantharaman and
• Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 1428–1498, doi:10.3762/bjnano.16.104

• crystallographic structure. The findings suggest that smaller particle sizes are primarily achieved by increasing the number of laser pulses, though there is a limit to the number of pulses that should be applied. Furthermore, the energy output notably influenced the size distribution, with higher energy leading

• contrast, conventional PLAL methods are dominated by surface energy, resulting in a Fe core–Au shell structure. The study identifies the limitations of lower fluence, inhomogeneous heating, and insufficient particle association during laser irradiation, and clarifies the mechanism behind PLML. For single

• factors such as size, surface-to-volume ratio, crystalline structure, composition, oxidation state, shape, and defects [68]. To synthesize NPs, colloids suspended in transparent liquids are irradiated with short or ultra-short laser pulses, which result in selective absorption by the NPs. This occurs

Photochemical synthesis of silver nanoprisms via green LED irradiation and evaluation of SERS activity

• Tuan Anh Mai-Ngoc,
• Nhi Kieu Vo,
• Cong Danh Nguyen,
• Thi Kim Xuan Nguyen and
• Thanh Sinh Do

Beilstein J. Nanotechnol. 2025, 16, 1417–1427, doi:10.3762/bjnano.16.103

• broad diffraction peaks at 38.2°, 44.3°, 64.5°, and 77.7°, corresponding to the (111), (200), (220), and (311) crystal planes, respectively. These peaks are characteristic of the face-centered cubic (fcc) structure of silver nanoparticles. The diffraction intensity at the (111) crystal facets was three

• times higher than that at the (200) facets, consistent with the typical structure of AgNPrs [9][16]. Moreover, no diffraction peaks corresponding to Ag2O were detected, indicating that the photoreduction process for synthesizing AgNPrs was efficient. In summary, after 72 h of LED irradiation under the

• confirm that AgNPrs exhibited superior SERS performance, consistent with prior studies investigating the direct SERS detection of 4-MBA [18][19]. Due to their anisotropic structure, AgNPrs concentrate surface electrons and form electromagnetic “hot spots” at the edges and tip of the nanoprisms [22][24][25

The role of biochar in combating microplastic pollution: a bibliometric analysis in environmental contexts

• Tuan Minh Truong Dang,
• Thao Thu Thi Huynh,
• Guo-Ping Chang-Chien and
• Ha Manh Bui

Beilstein J. Nanotechnol. 2025, 16, 1401–1416, doi:10.3762/bjnano.16.102

• using CiteSpace has proven instrumental. CiteSpace facilitates citation network visualization, co-citation analysis and the identification of emerging research trends, providing insights into the intellectual structure of this scientific domain [26]. By uncovering key contributors and trends

• 2022, reflecting efforts to mitigate MP pollution through biochar application in terrestrial and aquatic environments. From 2022 to 2024, terms like “community structure”, “agriculture”, and “impact” suggest a shift toward investigating biochar's influence on the physicochemical properties of soil and

• and biochar concentration, underscoring biochar’s pivotal role in soil remediation and plant performance enhancement in MP-contaminated soils. Enhancement of soil physicochemical properties MPs exert significant impacts on soil physicochemical properties, altering its physical structure, chemical

Parylene-coated platinum nanowire electrodes for biomolecular sensing applications

• Chao Liu,
• Peker Milas,
• Michael G. Spencer and
• Birol Ozturk

Beilstein J. Nanotechnol. 2025, 16, 1392–1400, doi:10.3762/bjnano.16.101

• , parylene-C encapsulation, and laser-assisted nanowire tip exposure. The nanowire electrode structure and the corresponding functionality are described. Electrochemical testing results of dopamine and glucose detection are also presented. Results and Discussion After optimization of the growth parameters

Synthesis and antibacterial properties of nanosilver-modified cellulose triacetate membranes for seawater desalination

• Lei Wang,
• Shizhe Li,
• Kexin Xu,
• Wenjun Li,
• Ying Li and
• Gang Liu

Beilstein J. Nanotechnol. 2025, 16, 1380–1391, doi:10.3762/bjnano.16.100

• waterborne microorganisms because six-membered cyclic ethers in its molecular structure have β-A chains of dehydrated glucose units linked by C–O–C bonds [28]. Therefore, enhancing the antibacterial properties of CTAs is crucial from both academic and practical perspectives. In this study, we employed the

• and Discussion Structure of membrane material To verify the target structure of the synthesized material, Fourier-transform infrared spectroscopy (FTIR) and nuclear magnetic resonance spectroscopy (NMR) were conducted, with the spectra depicted in Figure 1 and Figure 2, respectively. The FTIR bands

• absorption bands in the FTIR spectrum of PCTA and Ag@PCTA. This is because the functional groups in the PDA structure including –OH, –NH2, and C=O, which have band positions at 3200–3600 cm−1, 3300–3500 cm−1, and 1660–1700 cm−1, respectively, coincided with those of CTA. Moreover, the modifying agents (PDA

Automated collection and categorisation of STM images and STS spectra with and without machine learning

• Dylan Stewart Barker and
• Adam Sweetman

Beilstein J. Nanotechnol. 2025, 16, 1367–1379, doi:10.3762/bjnano.16.99

• “flat” DOS, which is typically achieved by using a purely metallic tip. However, most tips do not demonstrate a perfectly flat local density of states (LDOS) as they have a complex electronic structure governed by the geometry of the metallic cluster at the tip apex [8][9][10][11][12]. Non-metallic

• contaminants can also strongly perturb the electronic structure of the tip. Methods of optimising the probe state for ideal STS are slow and laborious, involving indentation into a metal surface and bias pulses applied to the tip, manually checking spectra and imaging after each probe shaping attempt. The

• ” sites of the herringbone structure. An STS spectrum (differential conductance) can be obtained in practice using one of two methods. Both begin by positioning the STM tip at a desired lateral position on the surface whilst scanning in STM feedback. At this point, the feedback loop is disabled, keeping

Enhancing the therapeutical potential of metalloantibiotics using nano-based delivery systems

• Alejandro Llamedo,
• Marina Cano,
• Raquel G. Soengas and
• Francisco J. García-Alonso

Beilstein J. Nanotechnol. 2025, 16, 1350–1366, doi:10.3762/bjnano.16.98

• sparked the interest in the design of antibiotic drugs that include metal ions in their structure, the so-called metalloantibiotics [16][17]. Metal-based antibiotics offer significant advantages over purely organic drug candidates in the fight against AMR [18]. In metal complexes, the wide range of

• , significantly expanding their applications [58]. The structure of liposomes can vary, with unilamellar and multilamellar vesicles being the two main forms, offering flexibility in the types of drugs they can deliver. In addition, size, surface charge, and lipid composition of these nanoparticles can be tailored

• interface or within imperfections of the solid core [74]. Despite their advantages, SLNs face certain challenges, such as limited drug loading capacity due to the crystalline structure of the solid lipid matrix, risks of drug leakage during storage, and a relatively high water content in the formulation [73

Ferroptosis induction by engineered liposomes for enhanced tumor therapy

• Alireza Ghasempour,
• Mohammad Amin Tokallou,
• Mohammad Reza Naderi Allaf,
• Mohsen Moradi,
• Hamideh Dehghan,
• Mahsa Sedighi,
• Mohammad-Ali Shahbazi and
• Fahimeh Lavi Arab

Beilstein J. Nanotechnol. 2025, 16, 1325–1349, doi:10.3762/bjnano.16.97

• hydrophobic phospholipid bilayer and a hydrophilic core. Depending on the physicochemical properties of the drug, this type of structure allows the entrapment of both hydrophilic and hydrophobic drugs [1]. Liposomes, like other nanosystems, have many benefits, such as prolonged systemic blood circulation

• , mechanisms have been developed in the cell to neutralize these damaging agents. One of the most important pathways involves the enzyme GPX4. GPX4 has a selenoprotein structure and is controlled by the mevalonate (MVA) pathway [43]. Directly and with the help of GSH, GPX4 causes the consumption of lipid

• liposomes. Glycerophospholipids influence the biophysical properties of liposomes; longer hydrocarbon chains can lead to a denser membrane structure and improve drug retention. Lipid degradation is significantly reduced when liposomes containing sphingomyelin are exposed to acidic conditions. Cholesterol

Deep-learning recognition and tracking of individual nanotubes in low-contrast microscopy videos

• Vladimir Pimonov,
• Said Tahir and
• Vincent Jourdain

Beilstein J. Nanotechnol. 2025, 16, 1316–1324, doi:10.3762/bjnano.16.96

• . However, the widespread application of CNTs is hindered by the lack of control over their structure during growth. Therefore, developing highly selective synthesis methods is crucial for advancing CNT-based devices. This requires a deep understanding of the relationship between nanotube structure and

• adds useful information to the video. Additionally, differential videos capture other processes causing local changes in optical absorption. For instance, if the nanotube structure (also called helicity or chirality) changes during growth, this manifests as a second segment moving synchronously with

• of nanotube kinetics, which involves switches between growth, pauses, shrinkage, and structure change during growth [20]. Pauses (Figure 3c,d) cannot be efficiently traced by the Hungarian method or Kalman filter, necessitating manual verification to ensure correct assignment of newly grown segments

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

• structure with laser irradiation wavelengths ranging from 400 to 2200 nm. From this, a linear trend in LIPSS characteristics was observed up to 2000 nm, and the threshold of the LIPSS formation was determined [52]. In the present work, we extend the LIPSS over a large area, instead of a single line, using

• ladder-like structure requires adjusting the scanning speed and step size between successive scans. Figure 4 shows the LSFL perpendicular to the incident beam polarization, with the HSFL forming deep inside the grooves of the LSFL. The orientation of these embedded HSFL is perpendicular to the LSFL and

• parallel to the incident beam polarization. In all FESEM images, the incident polarization direction is represented by a violet arrow at the top left corner. High-resolution images of the embedded HSFL ladder-like structure is shown in Figure 5 for two wavelengths for better understanding. The aspect ratio

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

• monoclinic scheelite BiVO4 structure with dominant (121) and (004) peaks. FESEM imaging revealed that the different deposition conditions influenced the surface morphologies of the BiOI and BiVO4 films. Photocurrent density measurements showed that BiVO4(326) achieved 1.2 mA·cm−2 at 1.23 V vs RHE

• better control over film morphology and crystallinity under mild conditions. Kim et al. [18] reported that BiVO4 films fabricated via electrodeposition achieved a maximum photocurrent density of 1.4 mA·cm−2 at 1.23 V vs RHE. These films exhibited a three-dimensional nanoporous structure that facilitated

• in PEC performance. Our method offers a higher degree of control over both the intermediate BiOI layer and the final BiVO4 structure, thereby enabling enhanced charge separation and surface reaction kinetics. Furthermore, this approach provides a deeper understanding of the relationship between the

Better together: biomimetic nanomedicines for high performance tumor therapy

• Imran Shair Mohammad,
• Gizem Kursunluoglu,
• Anup Kumar Patel,
• Hafiz Muhammad Ishaq,
• Cansu Umran Tunc,
• Dilek Kanarya,
• Mubashar Rehman,
• Omer Aydin and
• Yin Lifang

Beilstein J. Nanotechnol. 2025, 16, 1246–1276, doi:10.3762/bjnano.16.92

• are specialized NPs, where the surface is designed with natural biocompatible biomaterials that can mimic the structure and functions of the natural cells to improve targetability, enhance biocompatibility, and increase retention time with minimum undesired immune reaction [22]. Importantly, efficient

• structure of protein, and reducible disulfide groups [78][79][80]. 1.3.2 Bovine serum albumin. Bovine serum albumin (BSA) is widely used in biomedical applications such as supplemental growth media and protein standards. BSA was used as a template for the synthesis of organic–inorganic hybrid nanoparticles

• iron transport protein and possesses a hollow cage-like structure, which offers high drug loading. Initially, ferritin was only used as a template to develop diagnostic agents [96]. Later, it was used to encapsulate a wide range of therapeutic agents. Importantly, ferritin receptors are overexpressed

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

• degradation byproducts [8][9]. One problem is that the hydrophilic structure of PVA gives it a high water-solubility, water uptake, and worse mechanical properties [10][11]. Different filler and nanomaterials including silica [12][13][14], graphene [15][16], and metals [17][18] have been added to PVA to

• reinforcing the nanofiber structure and providing better resistance to moisture-induced degradation [22]. Studies have shown that the addition of NC can significantly enhance the mechanical properties of PVA where tensile strength has been reported to increase from around 20 MPa to well over 30 MPa [23][24

• 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

• embedded in hydrophilic solvents, usually water, which can carry active materials and biomolecules [11][12][13]. After hydration in an aqueous environment, the hydrogel structure is created by hydrophilic groups or regions arranged in a polymeric network [14]. Hydrogels present interesting properties

• stimuli such as heating/cooling [45][46]. Polymer chemical cross-linking can be performed by the formation of a network structure from monomers by polymerization or post-cross-linking of linear polymers with a cross-linking agent. Examples of chemical cross-linking methods are covalent bonding between

• properties to a gel previously composed of a more rigid and brittle network, a double network gel with an IPN structure is obtained. This approach significantly contributes to improving the mechanical properties and stability of the system [43][52]. Synthetic polymers, including acrylates [53], acrylamide

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

• concentration gradients, while the micellar structure remains intact throughout the dissolution process [25]. The kinetic constant (k) was elevated for all the systems, although polymer, temperature, and the solvent properties may influence this parameter. Overall, the water + P407 system demonstrated the most

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

• region was observed (Figure 6, white arrows), which progressively intensified at higher concentrations (100 and 200 ppm). This phenomenon may be indicative of physiological stress related to the integrity of the peritrophic matrix (PM), a semi-permeable structure that lines the midgut, playing essential

• ). The same equipment was used to determine the zeta potential (ζ, in mV) of the nanoparticles under the following conditions: 25 °C operating temperature, an applied voltage of 200 V, and a total of 1,000 processed runs. Fourier-transform infrared spectroscopy The chemical structure of empty

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

• functional theory (DFT) to explore the sensing capabilities of a ZnS (3,3) nanotube (ZnS NT) for detecting chloropicrin (CP, CCl3NO2), a highly toxic gas. To elucidate the sensing mechanism, we systematically analyze the adsorption configurations, Mulliken charge transfer, band structure, density of states

• highly toxic chemical warfare agent, remains an area with untapped potential. Addressing this gap, the present work constructs an armchair ZnS NT to investigate its adsorption configurations, charge transfer, band structure, density of states, optical absorption, and optical conductivity using a density

• ZnS NT with (3,3) chirality is illustrated in Figure 2. The structural analysis reveals an average Zn–S bond length of 2.29 Å, which is slightly shorter than the bond length of bulk ZnS (2.34 Å). This reduction in bond length can be attributed to the curvature of the NT structure, which induces a

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

• 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

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

• due to, for example, defects in the thin-film structure. The third type of asymmetry may be associated with unequal signal supply into the input arms of the neuron. Below, we analyze the transformation of the TF in each of these cases and compare it with experimental results [18]. Symmetric Gauss

• lines show the baseline (see discussion in Sections Symmetric Gauss Neuron and Results (C)). The inset shows the calculated TF with t = 0.2 and ϕb = 0.3π. The dashed lines show the baseline (see discussion in Sections Symmetric Gauss Neuron and Results (C)). (b) Schematic of the structure of the studied

• sample. LA,B denote receiving arms, Lout is the output arm, JJA,B are the JJs of the neuron, JJI,II are the JJs of the measuring element (i.e.,SQUID), and Lsq is the loop of the measuring element. Different colors represent elements in different layers of the multilayer structure. Hatching indicates the

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

• , Synthesis and Real Structure, Faculty of Engineering, Christian-Albrechts University of Kiel, Kaiserstraße 2, 24143 Kiel, Germany Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitaetsstr. 7, 45141 Essen, Germany Kiel Nano, Surface and

• produces polycrystalline HEA NPs, nanosecond-pulsed laser ablation favors a metastable amorphous structure. Particle cores in all cases exhibit a homogeneous distribution of the metals Cr, Mn, Fe, Co, and Ni, while particle shells were found to vary between manganese-enriched oxide layers and thin

• graphitic carbon coatings. The discovery of the structure-directing mechanism allows one to select between crystalline or amorphous HEA NP products, simply by choice of the laser pulse duration in the same, well-scalable setup, giving access to colloidal particles that can be further downstream processed to