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

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

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

• sp3 hybridization is a metastable material. A significant activation barrier hampers its relaxation into sp2 graphitic carbon, and this transformation occurs during vacuum heating in the temperature range of 1500–1800 °C [9]. According to molecular dynamics simulations, graphitization of nonterminated

• carbon bonded with nickel (denoted as C‒Ni in Figure 2). The amount of C‒Ni states decreases as the probing depth increases. The XPS data are consistent with the AEY NEXAFS spectrum of the annealed Ni-PCD, confirming that the Ni coating facilitates the transformation of the diamond surface upon heating

• (111) surface, indicating anisotropic diamond etching during heating. Despite these differences, the Raman spectra recorded from the different faces of the annealed microcrystallites were similar, indicating that the carbon coating consisted of graphitic multilayers with a similar structure. The (110

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

• treatment in vacuum up to 770 K. At 1020 K, a new peak, labeled B1 in Figure 5a, characteristic of Ce3+, appears. The A1 and A2 structures reappear after heating in O2, and recover a shape close to the initial one after sample cooling to RT in O2. The spectra of the 10 ML film (Figure 5b) instead show only

Synchrotron X-ray photoelectron spectroscopy study of sodium adsorption on vertically arranged MoS₂ layers coated with pyrolytic carbon

• Alexander V. Okotrub,
• Anastasiya D. Fedorenko,
• Anna A. Makarova,
• Veronica S. Sulyaeva,
• Yuliya V. Fedoseeva and
• Lyubov G. Bulusheva

Beilstein J. Nanotechnol. 2025, 16, 847–859, doi:10.3762/bjnano.16.64

• . In this work, to reveal the effect of carbon coating on the interaction of sodium with the MoS2 layers located vertically relative to the substrate, model experiments were carried out using synchrotron-radiation-induced X-ray photoelectron spectroscopy (XPS). Sodium vapor obtained by heating a sodium

• temperature of 873 K for 30 min. Heating the raw film in a hydrogen atmosphere at 1073 K removes excess sulfur and other contaminations from the film surface. In the final step, a thin PyC film synthesized by chemical vapor deposition (CVD) technique is placed on the surface of the cleaned MoS2 film using the

• ) Schematic diagram of the synthesis of MoS2 and PyC-MoS2 films. SEM images of the top view of (b) the raw MoS2 film obtained using a Mo layer sputtered for 10 s and (c) the film after heating in hydrogen. (d) Cross-sectional view of the MoS2 film obtained using a Mo layer sputtered for 90 s and (e) the top

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

• applications such as magnetic hyperthermia, where NPs are used in cancer therapy to induce localized heating when exposed to an alternating magnetic field [34]. However, producing CCAs at the nanoscale presents significant challenges. Traditional wet chemistry approaches often fail because of elemental

• immiscibility under equilibrium conditions, which leads to elemental segregation and phase separation [35]. Additionally, standard near-equilibrium heating methods are not suitable for synthesizing CCA NPs because of inherent thermodynamic limitations [36]. While high-temperature synthesis techniques have been

• segregation due to differences in precursor reduction temperatures [38]. Other techniques such as laser scanning ablation [39] and Joule heating [40] have also been employed to generate CCAs, but they often involve costly precursors and lengthy solvent screening processes. Among the various techniques

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

• performance by first fabricating amorphous iron oxide films on normal glass substrates by spray pyrolysis followed by heating in sulfur atmosphere at 350 and 400 °C [20]. For pyrite film fabrication, solvothermal or hydrothermal and chemical synthetic routes are generally adopted [21][22][23]. Henríquez et al

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

• pulse duration of 10 ps (as the acoustic relaxation time is higher, tac, 1 µm ≥ 500 ps, Equations S11 and S12, Supporting Information File 1). Depending on the optical penetration depth, the particle size influences whether homogeneous or inhomogeneous heating takes place. The heated volume leads to the

• sphere. For both material systems, the mean optical penetration depth is well above the average educt particle size and therefore leads to homogeneous heating of the educt by the laser. Overall, the nutraceutical particles are homogeneously heated during picosecond-LFL, and the criterion for

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

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

• suspension could not be determined owing to uncontrolled heating of the cell during illumination of the black suspension with laser light. FLG–TA preserves the metabolic activity of PDL cells Previous findings demonstrated that TA adheres to the surface of graphene layers, with a portion of it retaining its

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

• crystalline), whereas random globules make up the amorphous region [80]. Silk I with α-helical structure can be turned into silk II with β-sheets through shearing, spinning, heating, or by using methanol or ethanol solvents; this transition is considered irreversible [81]. Triple helices of collagen and β

• the material responsive to NIR light for controlled heating and drug release to eliminate bacteria. Furthermore, the hydrogel is highly antibacterial, with tested efficacy against Staphylococcus aureus and Escherichia coli of more than 99.9%. It also enables cell proliferation, suppresses inflammation

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

• introduced into the GIS under ambient conditions as it was tested stable. The GIS nozzle was placed 200 µm above the substrate at an angle of 30° to the substrate plane. Both GIS and substrate were heated using resistive heating wires. FEBID was carried out at an operating pressure of 2.0 × 10−6 mbar. For

• conducted with a field-emission gun and an electron energy of 1 keV. This lower electron energy increases the dissociation cross section and leads to greater heating of the deposit due to more energy deposited per unit trajectory length and, consequently, the small excitation volume where all the beam

• of a granular deposit at the upper part of the pillar. Similar observations have been reported in a detailed previous study with a dimethyl(acetylacetonate)gold precursor and were attributed to the thermal decomposition of the precursor at the pillar apex due to local heating by energy implantation

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

• reduction (TPR) analyses were performed on an AutoChem 2910 instrument (Micromeritics, USA) equipped with a thermal conductivity detector (TCD). The procedure for TPR involved heating the sample in a 1.0 vol % H2/Ar gas mixture at a flow rate of 30 mL/min, from room temperature to 600 °C, at a ramp rate of

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

• diffusion behavior within a temperature range of 330 to 580 °C. They observed the formation of a new cubic Mo2N phase. In addition, they also examined the impact of high ion fluence and temperature on nitrogen implantation in molybdenum with supplementary heating within the temperature range of 500 to 750

Size control of nanoparticles synthesized by pulsed laser ablation in liquids using donut-shaped beams

• Abdel Rahman Altakroury,
• Oleksandr Gatsa,
• Farbod Riahi,
• Zongwen Fu,
• Miroslava Flimelová,
• Andrei Samokhvalov,
• Stephan Barcikowski,
• Carlos Doñate-Buendía,
• Alexander V. Bulgakov and
• Bilal Gökce

Beilstein J. Nanotechnol. 2025, 16, 407–417, doi:10.3762/bjnano.16.31

• that occurs after absorption of the laser radiation and localized heating of the target surface. The plume interacts with the surrounding liquid. This interaction defines the cooling rate of the species present in the plasma and significantly affects NP growth (i.e., plasma quenching forms small NPs

• and have a relatively low degree of crystallinity compared to the original target (Figure S4, Supporting Information File 1). The crystalline to amorphous transition is likely due to the development of stresses induced by ultrafast heating and cooling during PLAL [53]. However, both oxidation and

• demonstrated that donut-shaped pulses provide significant advantages regarding PLAL synthesis, yielding smaller NPs with narrower size distributions and more regular shapes. The observed effects in the NP synthesis are likely due to a more uniform heating of the ablation spot by a donut-shaped pulse, affecting

ReactorAFM/STM – dynamic reactions on surfaces at elevated temperature and atmospheric pressure

• Tycho Roorda,
• Hamed Achour,
• Matthijs A. van Spronsen,
• Marta E. Cañas-Ventura,
• Sander B. Roobol,
• Willem Onderwaater,
• Mirthe Bergman,
• Peter van der Tuijn,
• Gertjan van Baarle,
• Johan W. Bakker,
• Joost W. M. Frenken and
• Irene M. N. Groot

Beilstein J. Nanotechnol. 2025, 16, 397–406, doi:10.3762/bjnano.16.30

• spectrometry data show the reaction taking place by monitoring product gases during heating and cooling of the sample under CO and H2 gas pressures of 2 bar. The monitored gases include H2O as byproduct and the hydrocarbons ethane (m/z = 30), propane (m/z = 44), and hexane (m/z = 86), which all show increases

• heating filament. The qPlus sensor is mounted to a three-contact slider and controlled by a piezotube. The piezotube is outside of the reactor volume. Figure 2b shows a schematic cross section of the AFM/STM reactor together with the sample holder. For high-pressure experiments, the reactor volume needs

• larger particle sizes. Despite not being able to image the surface during the FTS reaction at 550 K, it was possible to measure possible reaction products using QMS at higher temperatures, as shown in Figure 7. During the heating process, at around 490 K, we observe a strong increase in the counts of

Pulsed laser in liquid grafting of gold nanoparticle–carbon support composites

• Madeleine K. Wilsey,
• Teona Taseska,
• Qishen Lyu,
• Connor P. Cox and
• Astrid M. Müller

Beilstein J. Nanotechnol. 2025, 16, 349–361, doi:10.3762/bjnano.16.26

• must be integrated with macroscopic supports to function as electrodes. A major obstacle in contemporary manufacturing of nanoparticle–support composites is their laborious inefficient multistep preparation, involving chemical synthesis, heating, cooling, collection, purification, distribution, and

• methodology is more rapid and efficient than existing processes because it obviates the heating, cooling, and separation steps of traditional chemical nanoparticle syntheses. It additionally eliminates post-synthetic attachment of catalyst nanoparticles that results in wastage of unattached catalyst material

Preferential enrichment and extraction of laser-synthesized nanoparticles in organic phases

• Theo Fromme,
• Maximilian L. Spiekermann,
• Florian Lehmann,
• Stephan Barcikowski,
• Thomas Seidensticker and
• Sven Reichenberger

Beilstein J. Nanotechnol. 2025, 16, 254–263, doi:10.3762/bjnano.16.20

• with varying standard electrochemical reduction potential (Au, Ag, Cu, Fe, Al, and Ti) was performed in the TMS of 1-nonanol and propylene carbonate under monophasic state conditions (85 °C). The gained colloids were cooled to room temperature by disabling the heating plate as it was observed that

• mL batch vessel filled with a volumetric ratio of 50% of propylene carbonate and the respective alcohol. The experiments conducted for Figure 4 were performed in a batch vessel that was heated with an optimized coating to enable uniform heating of the TMS and is depicted in Supporting Information

• chosen to avoid precipitation of the nanoparticles at the phase boundaries. Heating cycles were performed in a 50 mL vessel, which was heated up to 85 °C with a temperature ramp of 5 °C/min and temperature was held for 15 min. For the cooling of the colloid to room temperature, the heating was turned off

Radiosensitizing properties of dual-functionalized carbon nanostructures loaded with temozolomide

• Radmila Milenkovska,
• Nikola Geskovski,
• Dushko Shalabalija,
• Ljubica Mihailova,
• Petre Makreski,
• Dushko Lukarski,
• Igor Stojkovski,
• Maja Simonoska Crcarevska and
• Kristina Mladenovska

Beilstein J. Nanotechnol. 2025, 16, 229–251, doi:10.3762/bjnano.16.18

Recent advances in photothermal nanomaterials for ophthalmic applications

• Jiayuan Zhuang,
• Linhui Jia,
• Chenghao Li,
• Rui Yang,
• Jiapeng Wang,
• Wen-an Wang,
• Heng Zhou and
• Xiangxia Luo

Beilstein J. Nanotechnol. 2025, 16, 195–215, doi:10.3762/bjnano.16.16

• nanometals can be swiftly heated to temperatures around 100 °C using low-energy laser pulses of specific wavelength. This rapid heating effectively evaporates a limited amount of water in the adjacent nanoscale region, forming vapor nanobubbles (VNBs) (see below in Figure 2c) [50]. The swift expansion and

• via non-radiative relaxation, resulting in localized lattice heating [76][77]. Therefore, semiconductors with narrow bandgaps typically show broad absorption spectra and high efficiency in photon trapping. In contrast, wide-bandgap semiconductors have a more limited range of light absorption and less

• to construct IOL edge photothermal rings, showing promising results in inhibiting PCO. The fixed heating removal area of the IOL edge photothermal ring, however, did not effectively inhibit LEC growth beyond the ring’s immediate vicinity. Employing black phosphorus (BP) as an IOL edge photothermal

Clays enhanced with niobium: potential in wastewater treatment and reuse as pigment with antibacterial activity

• Silvia Jaerger,
• Patricia Appelt,
• Mario Antônio Alves da Cunha,
• Fabián Ccahuana Ayma,
• Ricardo Schneider,
• Carla Bittencourt and
• Fauze Jacó Anaissi

Beilstein J. Nanotechnol. 2025, 16, 141–154, doi:10.3762/bjnano.16.13

• clay/Nb suspension was continuously stirred for 72 h at 65 °C. The color of the bentonite modified with niobium changes to light yellow (Figure 1b,c). Finally, after being cooled to room temperature, the suspensions were subjected to thermal treatment at 500 °C, with a heating rate of 5 °C/min. These

TiO₂ immobilized on 2D mordenite: effect of hydrolysis conditions on structural, textural, and optical characteristics of the nanocomposites

• Marina G. Shelyapina,
• Rosario Isidro Yocupicio-Gaxiola,
• Gleb A. Valkovsky and
• Vitalii Petranovskii

Beilstein J. Nanotechnol. 2025, 16, 128–140, doi:10.3762/bjnano.16.12

• strongly distorted shells. These amorphous nanoparticles are responsible for the formation of single-phase nanocrystalline anatase upon heating [30]. This is exactly what we observe. Figure 1c shows that, after calcination, additional large peaks appear in all samples, which can be attributed to anatase

• the mBET method. Thermal gravimetric analysis (TGA) was carried out using a Netzsch STA 449 F1 Jupiter instrument in the temperature range of 40–990 °C at a heating rate of 10 °C/min in an Ar flow of 90 mL/min. 27Al MAS NMR spectra were recorded using a Bruker Avance IIIWB 400 MHz solid-state NMR

Precursor sticking coefficient determination from indented deposits fabricated by electron beam induced deposition

• Alexander Kuprava and
• Michael Huth

Beilstein J. Nanotechnol. 2025, 16, 35–43, doi:10.3762/bjnano.16.4

• , 15, 30, 35 and 40 °C using a self-made cryo-stage made from copper and equipped with a heater. The stage was cooled via a thick strand of copper wires connected to a Meissner trap cooled with liquid nitrogen. The temperature was controlled via a heating element inserted as an interface layer between

Orientation-dependent photonic bandgaps in gold-dust weevil scales and their titania bioreplicates

• Norma Salvadores Farran,
• Limin Wang,
• Primoz Pirih and
• Bodo D. Wilts

Beilstein J. Nanotechnol. 2025, 16, 1–10, doi:10.3762/bjnano.16.1

• . The scale template was removed by acid etching, using drops of a 3:1 mixture of concentrated nitric and hydrochloric acids, followed by heating at 130 °C for 15 min. The replicas were then cleaned using deionized water. Titanium(IV) ethanolate (33–35% TiO2), tetraethyl orthosilicate (TEOS 98%), and

Green synthesis of silver nanoparticles derived from algae and their larvicidal properties to control Aedes aegypti

• Matheus Alves Siqueira de Assunção,
• Douglas Dourado,
• Daiane Rodrigues dos Santos,
• Gabriel Bezerra Faierstein,
• Mara Elga Medeiros Braga,
• Severino Alves Junior,
• Rosângela Maria Rodrigues Barbosa,
• Herminio José Cipriano de Sousa and
• Fábio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 1566–1575, doi:10.3762/bjnano.15.123

• extract filtrate with 90 mL of AgNO3 (1 mM). To increase the yield of silver nanoparticles, the sample was placed under magnetic stirring varying the heating temperatures (37–80 °C). The formation of NPs was verified from the color change in the solution to reddish brown. The possible chemical compounds

• /100 mL of purified water) by heating the mixture for 5 min and decanting for 1 h. After this process, the mixture was filtered and stored for 5 days at 15 °C. Finally, the filtered solution was treated with an aqueous solution of AgNO3 (1 mM) and incubated at room temperature. The chemical compounds

Ultrablack color in velvet ant cuticle

• Vinicius Marques Lopez,
• Wencke Krings,
• Juliana Reis Machado,
• Stanislav Gorb and
• Rhainer Guillermo-Ferreira

Beilstein J. Nanotechnol. 2024, 15, 1554–1565, doi:10.3762/bjnano.15.122

• ]. For the thermal images, a velvet ant specimen was carefully positioned on a polystyrene plate, serving as a thermal insulator, and covered with a layer of sand measuring 2 cm in thickness. Using a Fluke TiS75+ Thermal Camera, thermal images were captured before, during, and after a controlled heating

• process induced by a thermal lamp positioned 10 cm away. Prior to initiating the experiment, the female specimen was photographed, and subsequent images were taken at 1 min and 2 min intervals during the heating process. Throughout the experiment, the ambient temperature was meticulously maintained at a

• female Traumatomutilla bifurca (Hymenoptera: Mutillidae). (A) Visible spectrum image, (B) thermal image of the animal before heating, (C) thermal image after 1 min of heating, and (D) thermal image after 2 min of heating. Supporting Information Supporting Information File 28: Spectrum obtained from

Investigation of Hf/Ti bilayers for the development of transition-edge sensor microcalorimeters

• Victoria Y. Safonova,
• Anna V. Gordeeva,
• Anton V. Blagodatkin,
• Dmitry A. Pimanov,
• Anton A. Yablokov and
• Andrey L. Pankratov

Beilstein J. Nanotechnol. 2024, 15, 1353–1361, doi:10.3762/bjnano.15.108

• width of the superconducting transition, can be used to fabricate a TES microcalorimeter. Sample Fabrication The most typical geometry of a TES is a square, which is advantageous over the elongated shapes for its compactness, leading to more uniform heating during signal readout, and for reduced

• in different transition temperatures at heating and cooling. The presumed reason is the heating of the film sample C1 through the measuring pogo pin contacts made of gold-coated brass and the contact resistance between the contacts and the film. Samples A1–A4 and B1 were measured through the same

• clamp contacts as sample C1, but the measured area was further away from the contact points. This way, the current first flows through the superconducting electrodes with low thermal conductivity in the superconducting state, and only then goes to the bridge. Nevertheless, non-equilibrium heating