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

• avoid, for example, any inhomogeneous ripple structures. The dwell time was always 200 ns. For growth rate characterization, Pt layers with a length of 20 μm and a width of 1 μm were deposited on silicon (Si). The ion beam currents were changed, while the pattern size was kept constant. With the Cs+ FIB

• characterization in terms of elemental composition and structure was done with a JEOL ARM 200F (S)TEM system equipped with an Oxford EDS detector. Results and Discussion Deposit surface First, to reveal possible surface modifications, Pt layers were deposited with Cs+ ions at 16, 8, 5, and 2 kV with a current

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

• , and nanofluidic applications. The characterization of the pore morphology and size distribution, along with its dependence on the material properties and fabrication parameters, is crucial to designing nanopore systems for specific applications. Here, we present a comprehensive study of track-etched

• dioxide [29][40][30]. Amorphous silicon dioxide (SiO2) has excellent chemical stability, well-understood surface chemistry, and compatibility with semiconductor processing, opening up new applications for track-etched nanopores in this material [30]. In this study, we report the characterization of track

• with the estimates from scanning electron microscopy analysis. It is important to emphasize that SAXS analysis provides a statistically robust characterization of polydispersity, radius, and cone angle values by sampling over 106 nanopores – a population size unattainable through microscopy analysis. A

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

• sensitivity, atomic selectivity, spatial and energy resolution, synchrotron radiation-based techniques, which utilize high-brilliance photon beams, have enabled refined characterization of the electronic, structural, and morphological properties of these materials, as well as the modifications they undergo

• under operating conditions. Furthermore, free-electron lasers (FELs), with orders-of-magnitude higher peak brilliance than synchrotrons, have made it possible to achieve temporal resolution of the order of a few tens of femtoseconds, facilitating an ultrafast, element-sensitive characterization of the

• spectroscopy (XPS) has significantly advanced the characterization of low-dimensional cerium oxide structures by offering much higher sensitivity and energy resolution than conventional XPS [21][22][23][24]. In addition, the possibility to select photon energies in a broad range permits to tune the depth

Facile one-step radio frequency magnetron sputtering of Ni/NiO on stainless steel for an efficient electrode for hydrogen evolution reaction

• Ha Huu Do,
• Khac Binh Nguyen,
• Phuong N. Nguyen and
• Hoai Phuong Pham

Beilstein J. Nanotechnol. 2025, 16, 837–846, doi:10.3762/bjnano.16.63

• . Materials characterization The crystal structure of materials was confirmed by XRD using Cu Kα radiation with a wavelength of 0.154 nm on a X-ray diffractometer (D8 Advance, Bruker). The morphology of the obtained products was analyzed utilizing SEM on an S-4800 Hitachi. Chemical components and element

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

• diffractograms. EDX data was processed using AZtec software. Results and Discussion Microstructural characterization of bulk CCAs The SEM images and EDX elemental maps of the polished surface of the Ge-based CCA (Figure 2a) revealed a homogeneous microstructure, with no significant elemental segregation on the

• hexagonal (P63/mmc) structure, while a cubic (Fm−3m) structure was observed in Ni2MnAl and elemental Al. The hexagonal structure was also found in the Al-based CCA produced by Biswas and colleagues [24]. The elemental characterization by SEM/EDX from different surface positions (see Figure S2 and Table S2

• components that can be later in-situ alloyed during PLAL to generate compositionally controlled CCA NPs. CCA NP synthesis and characterization Particle size distribution The NPs synthesized by pulsed laser ablation in ethanol exhibit a log–normal particle size distribution ranging from 2 to 130 nm for both

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

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

• nanocolloid in this work. The optical properties of nanocolloids and their thin films were evaluated using UV–visible (UV–vis) spectroscopy. The nanoparticle characterization and surface morphology were studied using transmission electron microscopy (TEM), scanning electron microscopy (SEM), and the

• nanocolloids can be operated in self-powered mode. Synthesis and Characterization Synthesis of FeS2 nanoparticles The schematic representation of the methodology utilized is given in Figure 1. FeS2 nanoparticles were synthesized using pulsed laser ablation in liquid. For laser ablation, the FeS2 target (99.9

• temperatures and amounts of sulfur. Characterization The morphological analyses of pyrite NPs were recorded using the FEI Titan G2 80–300 for TEM, high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM), high-resolution TEM (HRTEM) and selected area electron diffraction (SAED). The

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

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

• nanoparticle, reviewed by [6][7][8], as well as the protein source of the corona [9][10][11]. Ultimately, the protein corona can change the uptake [12][13][14], biodistribution [15][16][17][18], immunological responses [19][20] and toxicity [6][21][22] of nanoparticles and its characterization should thus play

• Slide-A-Lyzer, MWCO 20,000, 0.5–3 mL, dark, 4 °C). LNP stocks were stored at 4 °C in the dark. LNP characterization The hydrodynamic diameter of LNPs was determined via dynamic light scattering (DLS). LNP stocks were diluted 1:20 in PBS and analyzed at 25 °C using a ZetaSizer Nano ZS 90 (Malvern

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

• concentration of 60 mg·L–1 at pH 6–7, reaching equilibrium after 12 h. The surface characteristics and structural properties of PGC were determined using various material characterization techniques, including FTIR, SEM, EDX, and BET. Verification experiments under optimal conditions confirmed that the

• ) and polyvinyl alcohol (PVA); and cationized with Ca2+ and Zn2+ for the removal of TC from aquaculture effluents. Our approach involves optimizing the material’s synthesis using the response surface methodology, and a wide range of characterization methods was performed to assess the surface

• will be applied in the synthesis of an adsorbent for TC removal from water. Material characterization FE-SEM and FTIR results Figure 2 presents comparative field-emission SEM (FE-SEM) images and FTIR spectra of commercial CMC and PGC. Notably, the FE-SEM analysis of PGC (Figure 2d–f) reveals

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

• supernatant characterization. Analogously to Figure 3, Figure 4A and Figure 4B show, the CBD educt and the corresponding fragmented sample after LP1, respectively. The SEM images post-LFL indicate the presence of SMPs <1000 nm, which were not found in the educt samples. Since the CBD educt particles are one

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

• , environmental reliability, and operando capabilities. Scanning photoelectron spectromicroscopy (SPEM) is one of the characterization tools that combine high spectral resolution X-ray photoelectron spectroscopy with submicron spatial resolution. In particular, the SPEM equipment hosted at the ESCA microscopy

• surfaces. The characterization of the building blocks is of paramount importance to deeply understand their functionalities and mutual interactions when they are part of a nanostructured body. The building blocks may differ in their atomic structure, crystallographic orientation, chemical composition, and

• devices, which include the synthesis, characterization, and processing, are part of an emerging and rapidly growing field referred to as nanotechnology. However, despite the large efforts of the scientific and industrial communities in the development of new nanostructured materials and related

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

• parameters, and KPFM procedure are reported in the Experimental Section. Results and Discussion Efficiency characterization Whilst BCF (Figure 1) has an advantageous impact on the conductivities of both spiro-OMeTAD and PTAA, when similar dopant concentrations are used, the effect on PTAA is more pronounced

• interfacial structure is not damaged and the cells remain operational. Additionally, in order to more accurately interpret interfacial measurements, a precise characterization of the positions of the different solar cell layers is required. We identified the thickness and uniformity of the layers by comparing

• avoiding shunts, which makes device characterization via SEM essential. To study the effect of different HTLs on the HTL/perovskite interfaces and how their choice affects charge extraction and recombination in our solar cells, we employed cross-sectional KPFM, more specifically our measurement protocol

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

• pipetted onto clean silicon wafer substrates. The substrates were then air-dried and mounted on aluminum pins using double-sided carbon tape. Corresponding SEM images were subsequently captured. The S/TEM characterization was performed using a JEOL2100F microscope outfitted with a probe corrector for

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

• characterization Particle size, zeta potential, and polydispersity index (PDI) of APT-NPs was analyzed through laser diffractometry (Malvern Instruments, Germany) with a measuring angle of 13° at 25 °C in triplicate [27]. Before particle size determination, APT-NPs samples were diluted with double distilled water

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

• method for nanoscale capacitance characterization at arbitrary frequencies above the second cantilever resonance. Besides a high spatial resolution, the key advantage of the multifrequency approach of MFH-EFM is that it measures the second-order capacitance gradient at almost arbitrary frequencies

• understanding of material properties, particularly at the nanoscale, where phenomena such as quantum confinement, interface effects, and defect dynamics play a critical role. Innovations in characterization techniques have enabled researchers to explore these properties with unprecedented precision, paving the

• features. Scanning probe techniques have revolutionized nanoscale material characterization. Since the invention of scanning tunneling microscopy (STM) [16] and atomic force microscopy (AFM) [17], various electric force-based methods, called electrostatic force microscopy (EFM) methods, have emerged to

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

• and one NTS were also obtained. Among the TLS, point 7 (M7-EOCF) was selected for subsequent tests, as it had the lowest amount of surfactants and the highest proportion of water in its composition. Physicochemical characterization of the selected system Some parameters are fundamental for

• exposed to different shear forces [22][23]. The parameters of rheological properties are essential in the classification and characterization of semisolids and fluids, and in the greater understanding of drug release from pharmaceutical forms [22]. Thus, the rheological behavior of M7-EOCF at two

• containing 10% EOCF were then prepared individually (Table 1), and the dispersions were evaluated macroscopically and characterized 48 h after they were obtained. Physicochemical characterization of the selected microemulsions The polydispersity index and average hydrodynamic radius of the droplets were

Focused ion and electron beams for synthesis and characterization of nanomaterials

• Aleksandra Szkudlarek

Beilstein J. Nanotechnol. 2025, 16, 613–616, doi:10.3762/bjnano.16.47

• tailored 3D architectures [4]. Focused beams not only allow the characterization of atomic structures but also enable precise local modification of material properties through ion milling and the creation of novel structures with tunable mechanical, electrical, and magnetic properties using gas-assisted

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

• deposition with nickel as the catalyst and hydrogen as the plasma source. SEM and TEM characterization showed vertically aligned CNFs. This method highlights the impact of plasma conditions and gas ratios on CNF morphology and alignment [12]. An experiment by Li et al. showed CNT growth at decomposition

• . The temperature was kept below 700 °C, and the efficiency of conversion of carbon precursors into fibers found was 70%. The diameter found was approximately 100 nm, and the TEM and SEM characterization revealed the morphology and the internal structures of the fibers [19]. Ruiz-Cornejo et al

• placed on a stand. The ideal combustion of the premixed flame was achieved by mixing LPG, oxygen, and nitrogen at 0.18, 0.65, and 1.90 slpm, respectively. The mixture produced a premixed flat flame with a secondary diffusion flame at an equivalence ratio of 1.80. Flame and CNF characterization The

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

• cell-free therapeutic strategies for AD [84]. Additionally, Deng et al. explored exosomes isolated from ultrasound-stimulated human astrocytes (US-HA-Exo). Characterization via nanoparticle tracking and proteomic analysis revealed that ultrasound treatment increased exosome release approximately five

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

• diverse characterization techniques, demonstrating the potential reversibility of the B1 to B2 phase transformation induced by ion irradiation. Keywords: irradiation; phase transformation; thermal spike; track diameter; X-ray absorption near edge spectroscopy; X-ray photoelectron spectroscopy

• of Seth (i.e., higher and lower sides). Notably, the reappearance of the B1 phase was observed with O ion irradiation, while no such retrieval occurred with Ag ion irradiation. This intriguing finding is explored in detail in this investigation. Crystallographic characterization of both pristine and

• film prior to further irradiation. The characterization of the thin films was performed using X-ray diffraction (XRD) on a Bruker high-resolution X-ray diffractometer, employing a Cu Kα beam over a 2θ range of 30–50°. Raman spectroscopic measurements were conducted at room temperature with a SENTERRA

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

• forms. Electrochemical characterization Although CSPEs have advantageous features such as low cost and wide availability, they tend to possess a characteristic high electrical resistance due to the use of inks containing organic molecules and polymeric binders during the fabrication process [32]. This

• 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

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

• . Results and Discussion Composition and characterization of the materials XRD patterns and a SEM micrograph of the starting zeolite mineral (ZSA) are shown in Figure 1 and Figure 2, respectively. The diffraction patterns are normalized and evidence the presence of mordenite and clinoptilolite–heulandite

• being mixed. After 24 h, the solid phases were separated, lightly washed with distilled water, and oven-dried at 110 °C. Characterization The elemental composition of ZSA and the modified materials from both treatments was determined using X-ray fluorescence analysis, performed with a ZETIUM PANalytical

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

• University, Kurukshetra, ensuring comprehensive and accurate characterization of the properties of Mo thin films. Results and Discussion SRIM-TRIM simulation The “Stopping & Range of Ions in Matter and Transport of Ions in Matter” (SRIM-TRIM) simulation software was used to quantitatively estimate

• CSIR, New Delhi, for providing the CSIR-JRF. The authors are also grateful to the Department of Science and Technology (DST), New Delhi, for providing funds for establishing the 200 kV ion accelerator and related characterization facilities at Kurukshetra University, Kurukshetra. The authors are also

Biomimetics and bioinspired surfaces: from nature to theory and applications

• Rhainer Guillermo Ferreira,
• Thies H. Büscher,
• Manuela Rebora,
• Poramate Manoonpong,
• Zhendong Dai and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2025, 16, 418–421, doi:10.3762/bjnano.16.32

• Journal of Nanotechnology emerged from this fruitful exchange of ideas. The symposium featured a range of topics across biomimetic and bioinspired approaches, as well as the characterization of biological surfaces with properties of technological interest. A significant deal of research focused on