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

• , Darmstadt (Germany) in the frame of FAIR Phase-0. This work used the ACT node of the NCRIS-enabled Australian National Fabrication Facility (ANFF-ACT). Funding The authors acknowledge financial support from the Australian Research Council (ARC) under the ARC Discovery Project Scheme.

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

• Ni-coated NCD films, a disordered carbon was found to form on the nickel surface, which then partially transformed into a graphitic phase at higher temperatures [23]. Moreover, the spectra of the annealed Ni-PCD film demonstrate an additional peak at a low binding energy of 283.3 eV corresponding to

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

• phonon symmetry in ZnO films implanted at lower ion beam energies. Zhiguang et al. [16] have observed the appearance of a longitudinal phonon mode in 80 keV nitrogen ion-implanted ZnO films at different fluences. Kennedy et al. [17] have reported enhancement in the disordered phase and an A1 (LO) mode in

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

• associated to the formation of a Ce–Pt alloyed interfacial phase exhibiting a (2 × 2) periodicity [47]. The influence of the substrate on the stability and reactivity of supported ceria nanoislands has also been investigated by Ce M5 XANES in the case of Au(111) [48]. A loss of redox activity accompanied by

• in selected areas with sub-micrometer spatial resolution [55]. In addition, the morphology of zirconia–ceria mixed oxides supported on Rh(111) and the oxidation states of the two oxides, individually and in the mixed phase, were determined [39]. Studies at ambient pressure The identification of

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

• spacing of 0.62 nm and weak van der Waals interactions between them. At a sodium ion intercalation potential of about 1.4 V vs Na/Na+, the thermodynamically preferred 2H-MoS2 phase transforms into the metastable 1T-MoS2 phase [3][4]. With further increase in the intercalated sodium concentration

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

• . In this study, Ni/NiO nanolayers were prepared on stainless steel (SS) via a facile one-step radio frequency magnetron sputtering with various O2 flow rates. The O2 flow rate not only changed the crystal phase but also affected the morphology and atomic ratio of materials, leading to optimized HER

• potential regarding industrial application. Results and Discussion Crystal structure and phase of the as-synthesized electrodes were verified by X-ray diffraction (XRD) measurements with 2θ ranging from 20° to 80°. Figure 1 displays the XRD patterns of SS, Ni/NiO/SS-5, Ni/NiO/SS-10, Ni/NiO/SS-15, and Ni/NiO

• /SS-20 electrodes. Regarding the commercial 304 SS sample, the typical peaks at 43.64°, 50.68°, and 74.56° were indexed to the (111), (200), and (220) crystal planes of the cubic γ-Ni–Cr–Fe phase [27][28][29][30][31][32][33]. At a low O2 flow rate (5 sccm), a Ni metal phase appeared, visible by the

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

• ), University of Duisburg-Essen, Lotharstr. 1, 47057 Duisburg, Germany GROC·UJI, Institute of New Imaging Technologies, Universitat Jaume I, Av. De Vicent Sos Baynat s/n, 12071 Castellón, Spain 10.3762/bjnano.16.62 Abstract Magnetic phase transitions at the Curie temperature are essential for applications like

• comprehensive synthesis approach for rare-earth-free compositionally complex alloys (CCAs) with magnetic phase transitions, spanning from bulk materials to nanoparticles. Specifically, we investigate Mn22.3Fe22.2Ni22.2Ge16.65Si16.65 (Ge-based CCA) and Mn0.5Fe0.5NiSi0.93Al0.07 (Al-based CCA). The bulk materials

• are prepared by ball milling and spark plasma sintering or powder pressing and sintering. Nanoparticles (NPs) from the bulk materials are synthesized by pulsed laser ablation in liquid. Magnetization measurements confirm a ferromagnetic-to-paramagnetic phase transition in bulk alloys, with Tc = 179 K

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

• synthesized by PLAL. FeS2 NPs were successfully synthesized in five different solvents, along with a minor phase of iron sulfide (FeS). Additionally, by combining electrophoretic deposition and spin-coating techniques, thin film photodiodes of FeS2 were fabricated on an n-type Si substrate utilizing the

• nanocolloids. The structural, morphological and electrical characterizations of the films are also presented. By sulfurization of the films, phase-pure pyrite thin films are obtained. The photodetection range was up to 785 nm photocurrent in the order of 10−6 to 10−4 A for different annealing conditions and a

• is that the productivity and morphology/size of the NPs generated can be regulated by carefully managing the input parameters [16]. Due to the challenges in obtaining phase-pure FeS2 by PLAL, this is a much less explored material despite its high potential. A strong reducible ferric ion and an

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

• compounds and SiO2 are the major phases, while the iron phase was recognized as iron oxyhydroxide (FeOOH) (most probably the α polymorph). The dissolution procedure had significant influence on structural and physical properties of the investigated compound, such as lowering of the blocking temperature with

• lattice fringes are easily visible. The interplanar distance measured from the fast Fourier transform (FFT) is about 2.54 Å, which is in good accordance with the (400) plane of the α-FeOOH and with the (311) plane of the Fe3O4 phase, but less likely with the (40−1) or (400) plane of the β-FeOOH. Therefore

• , the question of the iron phase present in the FS0 sample appears to be unresolved based on the TEM results; however, the presence of the iron oxyhydroxide is highly probable. The energy-dispersive X-ray spectroscopy (EDS) spectrum (Figure 3f) of the FS0 sample collected from the area visible in Figure

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

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

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

• inset of Figure 5a). In some recent works, the formation of a Cr–O–Cl surface phase [8][10] was characterized by the presence of a low-binding-energy component for Cl 2p at 198 eV (Figure 5b), albeit for a high degree of oxidation at high temperature in air, which we do not observe here, and a low

• emerges after the formation of the O–CrCl3 phase [8]. To confirm our analysis, we have continued the investigation of the Cr 2p3/2 and O 1s core level spectra in Figure 7 at different thicknesses on the ITO substrate as reported in Figure 2 with defocused beam and observed the appearance of the peak at

• the lower binding energy of Cr 2p for the thick region, while the O 1s spectra appear to be enhanced for the same region. These results can complement the study on cleaved samples [8], where the formation of a stable phase through oxygen in interstitial positions of the surface, which provided a redox

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

• to a flowrate of 4 mL/min and a flow rate ratio of 3:1 (aqueous to solvent phase) to mix the phases. For C12 LNPs, the flow rate ratio was set to 2:1 with a total flow rate of 9 mL/min. After mixing, the LNP suspensions were dialyzed against PBS overnight using a dialysis cassette (Thermo Scientific

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

• particularly notable for their high target specificity. Although MIPs are effective, their synthesis requires exceptional precision and is time-intensive. Meanwhile, magnetic solid-phase extraction columns [15] have been explored for TC removal; however, they are impractical for processing large sample volumes

• mobile phase consisted of ACN and 0.1% FA, delivered at 0.25 mL·min−1. Factors influencing adsorption capacity Experiments were conducted to evaluate factors affecting the adsorption capacity of PGC and determine optimal conditions. The investigated factors included initial pH, initial concentration and

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

• phthalocyanines (VOPc and CuPc) in deionized water and other pure solvents but also influences the size and crystal phase via the chosen laser parameters [21][33]. Furthermore, spectroscopic analyses successfully demonstrated that an extinction enhancement occurs with increasing irradiation time and higher

• ultrashort picosecond laser pulses are used (calculated temperatures of the particle ensemble and individual particles are listed in Table S11, the phase diagram is depicted in Figure S16, Supporting Information File 1) [51][52]. For curcumin (and other organic materials), degradation already takes place in

• -403 degasser unit, SIL-40C XR autosampler, and SPD-M30A UV detector from Shimadzu Deutschland GmbH. A 100 mm Nucleosil-C18 column incl. precolumn from Macherey-Nagel GmbH & Co. KG with an inner diameter of 4 mm and particle sizes of 3 µm was used. For curcumin, the mobile phase consisted of a 1.36 g·L

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

• the materials formed by similar building blocks, then having similar properties, are called phases from which another possible definition of these heterogeneous materials such as multi-phase materials comes [2][3][4]. Nanostructured materials are the playground for the advancement of some key

• footprint allows for the combination of different materials with dislocation-free interfaces and to form axial or radial heterostructures of varying material, doping, or crystal phase [17][18][19]. Nanowire heterostructures based on III–V semiconductors are especially promising for electronic

• composition and the surface potential across InP nanowire p–n junctions for individual nanowire devices. InP nanowires were grown on InP(111) substrates by vapor–liquid–solid growth using nanoimprint lithography for generating catalytic Au nanoparticles in a metal–organic vapor phase epitaxy (MOVPE) reactor

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

• diffusion barrier with potential application for microelectronics were fabricated [10][11]. In contrast, the stoichiometric mononitride TaN phase with face-centered cubic (FCC) structure exhibits superconductivity with a Tc of 8.15 K [12]; when the thin films were grown epitaxially on an FCC substrate, Tc

• that oxygen can occupy the N sites of the crystal without structural modifications [15]. These findings reinforce the potential of PLD as a viable method for fabricating high-quality TaN superconducting films with controlled stoichiometry and phase purity. The optimal combination of N2 pressure and

• diffraction database was used for the qualitative search–match phase identification. To determine the epitaxy of the films, TEM was carried out with a Jeol JEM 2100F. Finally, the resistivity, R, was measured as a function of the temperature T using the van der Pauw method in a DynaCool Quantum Design

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

• ]. For PTAA, under illumination, a similar mechanism is proposed, whereby the oxidation of PTAA raises the conductivity of the polymer [33]. For both HTLs, the inclusion of tBP promotes a better distribution of the HTL on the perovskite, preventing organic semiconductor/LiTFSI phase segregation [34

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

• determined by the presence of impurities in the graphene structure [9]. Among other GBMs, few-layer graphene (FLG), synthesized through liquid-phase exfoliation (LPE), has emerged as a particularly advantageous option [10][11]. LPE is highly regarded for its simplicity, scalability, and effectiveness in

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

• patients in the delayed phase (days 2 to 5) in their first cycle of high-dose cisplatin [5]. Aprepitant (APT) is a selective antagonist of neurokinin-1 receptor that blocks the substance P emetic effect. NK-1 receptors occur in the gastrointestinal tract on vagal afferents and in the nucleus of the

• solvents were stronger and minimized the formation of cracks. However, APT-loaded SLNs formulations in the aqueous phase appeared as nonspherical granules. FTIR studies FTIR spectroscopy was applied to estimate any interaction between APT and β-CD or poloxamer 407 in APT-CD-NP4 and APT-PX-NP8. Figure 4a

• (Figure 5b) were conducted to the study physical state of APT, β-CD, poloxamer 407, and APT-loaded SLNs formulations. APT exhibits an endothermic melting peak at 255 °C, which indicates a phase transition of APT. An endothermic peak of β-CD is seen at 100 °C, which is associated with the release of 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

• importance of dielectric properties becomes even more pronounced. Many advanced materials exhibit nanoscale structural heterogeneity, where quantum confinement, phase composition, and interfacial effects cause significant deviations in dielectric behavior compared to bulk materials [12][13]. These nanoscale

• parts [93], leading to a strong nanoscale contrast in the dielectric signal. On the silicon substrate, F14H20 formed groups of spherical particles with a diameter of 40 ± 5 nm (Figure 7a) [94][95]. Simultaneously with the topography, we recorded the C″ amplitude and phase at electrical excitation

• (compare the insets in Figure 7b,c). Another effect that can be observed in the C′ phase images is that the individual contrast on the particles changes when going towards the center of the particle agglomerate (upper graph in Figure 7f). While there is only a very shallow contrast for the first two 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

• obtained after consulting the corresponding pseudoternary phase diagram and showed stability, isotropy, Newtonian behavior, nanometric size (15.2 nm), and pH 4.2. Both EOCF and the ME showed high antioxidant activity, but the ME resulted in greater antioxidant activity, potentiating the activity of

• %), corroborating the findings of the present study. However, other minor components were not identified in this study, showing that the composition of the essential oil can change significantly when obtained from different geographical origins. Development of microemulsions considering the pseudoternary phase

• 40 (14.1) and Tween® 80 (15) are suitable for O/W formulations. Among various combinations of the components (Supporting Information File 1, Table S2), the pseudoternary phase diagram (PTPD) that best provided transparent liquid systems was obtained with Eumulgin® CO40/Tween® 80, in a ratio of 1:1 (v

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

• deposition techniques, this thematic issue includes studies on low-energy electron interactions with metal(II) bis(acetylacetonate) complexes [5]. Another molecule investigated for its gas-phase fragmentation mechanism via dissociative ionization and dissociative electron attachment is [Au(CH3)2Cl]2. Studies

• by Oddur Ingólfsson’s group [6], supported by quantum chemical calculations, revealed that chlorine removal during focused electron beam induced deposition (FEBID) was nearly complete, in contrast to the limited chlorine loss observed in gas-phase experiments. Previous studies have shown that gas

• -phase investigations of molecular fragmentation by electron beams may not fully predict the behavior of molecules when adsorbed on a surface. This highlights the importance of comparing gas-phase fragmentation results with FEBIP processes. In this issue, the novel iron precursor (i.e., iron

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

• of clarity never before possible [6][7]. In nanotechnology, different nanofiber production techniques are used such as template synthesis, electrospinning, solution blowing, drawing, thermally induced phase segregation, and self-assembly [8][9]. Among these techniques, electrospinning is the most

• are cleared by macrophage efferocytosis, apoptosis, or return to blood vessels [40]. Proliferation Granulation tissue development, re-epithelialization, and neovascularization are features of the proliferative phase. This period may last several weeks [41]. Fibroblasts, keratinocytes, macrophages, and

• [43]. Remodeling phase Remodeling is the last phase of wound healing, which ends with the formation of scars and clearance of immune cells from the epidermis. All processes from the previous stages are completed in this phase [44]. When a wound heals, endothelial cells and myofibroblasts leave behind

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

• Abstract This study investigates the recovery of the B1 phase from the high-pressure B2 phase, at atmospheric pressure, in cadmium oxide (CdO) nanoparticles incorporated within sol–gel synthesized CdxZn1−xO (x = 0.40) composite thin films. The recovery process is investigated using electronic excitations

• as an effective tool. Exposure to 120 MeV silver ion irradiation results in the complete amorphization of the B2 phase in CdO nanoparticles, while the crystalline hexagonal wurtzite phase of zinc oxide (ZnO) remains intact. In contrast, 80 MeV oxygen ion irradiation preserves the B2 phase and

• facilitates the reemergence of the B1 phase. The partial damage caused by electronic energy loss during oxygen ion irradiation in the willemite Zn2SiO4 phase is identified as a trigger for the B1 to B2 phase transformation in CdO nanoparticles, enabling the recovery of the B1 phase. The diminishing local

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

• to about 3.3 atoms in the FEB deposit. Mass spectrometry studies of gas-phase electron-impact dissociation of [Pd(tbaoac)2] [42] showed the loss of tert-butyl (t-Bu) as (CH3)2CCH2 by dehydrogenation. Furthermore, the chelating ring collapse happens through the formation of O-containing molecular

• species, such as CH3CHO, which were seen in gas phase dissociation experiments with this precursor [42], as illustrated in Figure 4. Regardless of the exact stoichiometry of volatile species, it is noteworthy that from these large tbaoac ligands (each containing 8 C, 3 O, and 13 H atoms) about 90% of the

• with other fragments on the surface to form a nonvolatile matrix, or (iii) become embedded by newly arriving molecules from the gas phase [30]. A key factor for rapid desorption is the neutral charge of the generated fragments, which reduces the desorption energy. This applies to the isobutene

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

• exchange in conventional solutions, in the solid phase with molten salts, and with gaseous phases. Depending on the chosen modification method, particularities regarding the elemental composition and application of the resulting materials occur [4][5][6]. Cu–Y zeolites were obtained by contacting Na–Y

• treatments an ion exchange process occurred between the Ni2+ and Co2+ cations from solutions and the Ca2+, Na+, K+, and Mg2+ cations from the zeolite phases (mordenite and clinoptilolite-heulandite) contented within ZSA, as represented by Equation 1: where Z(s) is the solid zeolite phase, and An+ denotes the