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Search for "Fe" in Full Text gives 461 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

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

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  • soft X-ray range. Reaction cells with an ultrathin membrane that confines the gas in a narrow region extremely close to the sample surface were applied to the study of Cu- and Fe-doped cerium oxide films during thermal treatments in hydrogen at ambient pressure [58]. The combination of ambient pressure
  • XANES and gas chromatography was employed to correlate in real time the changes of the chemical state of Cu, Fe, and Ce cations with oxygen vacancy and water formation during thermal treatments in hydrogen at ambient pressure [58]. The pure ceria film, in the Ce4+ oxidation state with a dominant Ce L3
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Published 10 Jun 2025

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

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  • /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
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Published 06 Jun 2025

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

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  • -type structure [22]. For instance, a ternary MnNiSi alloy transitions from the hexagonal Ni2In structure to the orthorhombic TiNiSi structure at 1200 K [23], which is far from ideal for magnetocaloric, electronic, and spintronic-based applications. When these alloys are doped with elements such as Fe
  • (which partly substitutes Mn atoms) and Ge or Al (which partially replaces Si atoms) [24] (forming CCAs), it effectively lowers the structural and magnetic phase transition temperatures while maintaining the overall magnetization. Previous studies on bulk MnFeNiGeSi [25] (i.e., doping MnNiSi with Fe and
  • Ge) and MnFeNiSiAl [24] (i.e., doping NiMnSi with Fe and Al) alloys, synthesized by arc melting of pure elements show a second-order magnetostructural phase transition between 170 and 220 K with an isothermal entropy change of −7.3 J·kg−1·K−1 at 2.5 T and a first-order magnetostructural phase
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Published 05 Jun 2025

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

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  • liquid using different wavelengths and laser fluences [18]. During the synthesis of FeS2 NPs by PLAL in different solvents, Motohashi et al. has reported the formation of hematite (Fe2O3) as major product and Fe–S as minor product [19]. Sai et al. synthesized pyrite nanoparticles for photovoltaic
  • all the samples, the peak position corresponding to the adventitious carbon value was fixed at 284.6 eV. A Shirley-type background baseline was used, and the Gaussian–Lorentzian sum function was applied for peak fitting. The high-resolution spectra of Fe 2p and S 2p after soft surface etching using
  • argon ions is provided in Figure 7. The Fe 2p spectra of pyrite NPs in all solvents (Figure 7a–e) show two major peaks of Fe 2p3/2 and Fe 2p1/2 at 709 and 722 eV, respectively, which denotes the Fe2+ chemical state [44] with a separation ΔE of 13.1 eV. The peak fitting of the Fe 2p3/2 peak reveals a
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Published 03 Jun 2025

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

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  • coupling between Fe ions, (iii) the analysis of interactions between the magnetic core and the sucrose shell and their impact on core surface magnetic moments, (iv) the impact of the core surface and nonmagnetic additives on the saturation magnetization of the investigated compound [19], and (v) the
  • Fe-containing nanoparticles in the FS0 sample. However, the detection of isolated crystalline nanoparticles with an Fe-containing core does not exclude the possibility of the presence of other forms of iron-containing compounds in the FS0 sample. Comparing the XRD and TEM results for the FST sample
  • , there is no doubt that they are consistent with each other, as in both cases there are no signs of Fe-containing phases. Magnetic studies (dc and ac) results and analysis Undissolved sample FS0 The results of static and dynamic temperature magnetic measurements of the FS0 sample are presented in Figure
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Published 02 Jun 2025

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

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  • 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
  • the lateral bonding effect of GA and PVA, as well as the dissolution of cellulose by Zn2+. The rough, wrinkled surface and cracks are likely due to the focused high-energy electron beam during the FE-SEM imaging process [22]. Larger agglomerates, possibly ZnSO4 residues, are also apparent, which
  • (tetracyline, oxytetracycline, chlortetracycline, and doxycycline) from aquaculture water. RSM was used to determine the optimal synthesis parameters for PGC, which were CMC mass (1.5 g), PVA mass (1.0 g), GA volume (0.01 mL), and Ca2+/Zn2+ molar ratio (0.1). FTIR, EDX, FE-SEM, and BET analyses were used to
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Published 27 May 2025

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

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  • small in lateral dimensions. The Fe0.25Ni0.25TiSe2 system provides an illustrative example of such a system [14]. The single-crystal growth of a mixture of Fe0.25TiSe2 and Ni0.25TiSe2 results in the formation of a (Fe,Ni)0.25TiSe2 single crystal, which is covered with faceted single-crystal inclusions
  • of (Ni,Fe)4Se5 (Figure 1g,h). The identical orientation of the (Ni,Fe)4Se5 crystals indicates that they have undergone coherent coupling with the lattice of the main crystal. The SPEM technique enables the determination of both the composition of inclusions and the shape of the valence band (Figure
  • spectra for Cr0.78Ti0.36Se2 collected from the “red” and “blue” regions (panel a)). SEM images (g), h)) of the as-grown (Fe,Ni)0.25TiSe2 single crystal. Se 3d and Ni 3p (i)), Ti 2p (j)) core level and valence band (k)) spectra for (Fe,Ni)0.25TiSe2 in red, blue and black points (panel h)). Figure 1a–f were
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Published 23 May 2025

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

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  • multiple sources including metal impurities (such as Fe, Ni, or Cu) present in the graphene structure, as well as from the intrinsic electronic properties of graphene itself. Indeed, graphene’s sp2 hybridization and delocalized π electrons can participate in electron transfer reactions, potentially leading
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Published 20 May 2025

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

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  • tetracarbonyl methyl acrylate (Fe(CO)4MA)) is studied in the gas phase using mass spectrometry and during electron-induced processes [7][8]. This issue also presents insights from initial studies using the novel (hfac)AgPMe3 precursor [9], which notably demonstrates a high level of purity at the interface with
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Published 02 May 2025

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

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  • , followed by blocking with bovine serum albumin to minimize nonspecific hydrophobic binding. The electrodes were characterized by cyclic voltammetry and electrochemical impedance spectroscopy experiments in the presence of [Fe(CN)6]3−/4−. Differential pulse voltammetry was used to measure the change in
  • could be seen experimentally (black curve of Figure 3), where the cyclic voltammetry (CV) analysis shows a large peak-to-peak separation of 0.72 V for the [Fe(CN)6]3−/4− redox pair. This differs significantly from the theoretical 0.057 V peak-to-peak separation in reversible redox processes that involve
  • , which implies that electron transfer at the electrode surface was enhanced, increasing the redox reversibility for the [Fe(CN)6]3−/4− pair. CSPEs are reported to possess a rough surface at the nanoscale [34]. The electrodeposition technique employed takes advantage of this to control the nucleation
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Published 16 Apr 2025

Quantification of lead through rod-shaped silver-doped zinc oxide nanoparticles using an electrochemical approach

  • Ravinder Lamba,
  • Gaurav Bhanjana,
  • Neeraj Dilbaghi,
  • Vivek Gupta and
  • Sandeep Kumar

Beilstein J. Nanotechnol. 2025, 16, 422–434, doi:10.3762/bjnano.16.33

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  • at 70 °C for 2 h. Finally, the nanoparticles were annealed by subjecting them to a temperature of 450 °C in a muffle furnace for 1 h. Evaluation of Ag@ZnO nanorods The Ag@ZnO NRs obtained above were assessed for their morphological, structural, and optical characteristics. The FE-SEM experiments and
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Published 26 Mar 2025

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

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  • , respectively, by PLAL. The Cantor HEA CoCrFeNiMn target of equimolar composition was prepared by employing powder pressing as described in [18]. In brief, elemental powders of Co (purity 99.8%), Cr (99.2%), Fe (99.5%), Mn (99.6%), and Ni (99.9%) with a particle size less than 10 µm (Thermo Fisher Scientific
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Published 25 Mar 2025

Fabrication and evaluation of BerNPs regarding the growth and development of Streptococcus mutans

  • Tuyen Huu Nguyen,
  • Hong Thanh Pham,
  • Kieu Kim Thanh Nguyen,
  • Loan Hong Ngo,
  • Anh Ngoc Tuan Mai,
  • Thu Hoang Anh Lam,
  • Ngan Thi Kim Phan,
  • Dung Tien Pham,
  • Duong Thuy Hoang,
  • Thuc Dong Nguyen and
  • Lien Thi Xuan Truong

Beilstein J. Nanotechnol. 2025, 16, 308–315, doi:10.3762/bjnano.16.23

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  • prepared using a wet-milling method with zirconium balls to enhance bioavailability and expand potential applications. The particle size and physicochemical properties of the BerNPs were analyzed using field-emission scanning electron microscopy (FE-SEM), UV–vis spectroscopy, X-ray diffraction, and Fourier
  • -transform infrared spectroscopy. The broth dilution method was used to determine the antimicrobial activity of the BerNPs against Streptococcus mutans (S. mutans). The impact of the BerNPs on the cell surface of S. mutans was evaluated through FE-SEM analysis, focusing on its ability to inhibit biofilm
  • formation of S. mutans. In summary, BerNPs demonstrated a potent inhibitory effect on the activities of S. mutans at selectively applied concentrations. Keywords: antibacterial; berberine nanoparticles; BerNPs; biofilm; FE-SEM; Streptococcus mutans; Introduction According to the Global Burden of Disease
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Published 27 Feb 2025

Emerging strategies in the sustainable removal of antibiotics using semiconductor-based photocatalysts

  • Yunus Ahmed,
  • Keya Rani Dutta,
  • Parul Akhtar,
  • Md. Arif Hossen,
  • Md. Jahangir Alam,
  • Obaid A. Alharbi,
  • Hamad AlMohamadi and
  • Abdul Wahab Mohammad

Beilstein J. Nanotechnol. 2025, 16, 264–285, doi:10.3762/bjnano.16.21

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  • improve the photocatalytic efficiency, several dopants, such as transition metals (Fe, Cu, Mn, Zn, Ni, Co, Cr, Ru, and Ag) or nonmetals (C, N, S, and F) have been introduced into the semiconductor material. Metal and nonmetal dopants have the ability to construct an impurity energy level located below the
  • increase in photocatalytic activity. In a recent study, Wang et al. [97] found that small amounts of added Ti greatly enhanced the chloramphenicol (CAP) degradation capabilities of Bi2WO6, resulting in an impressive degradation rate of 92.44%. It has been observed that the incorporation of Mg, Fe, Zn, Cu
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Published 25 Feb 2025

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

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  • unaddressed in literature. To tackle this knowledge gap, the present study investigates the phase preference of laser-generated noble metal (Au and Ag) and base metal (Cu, Fe, Al and Ti) nanoparticles within propylene carbonate/alcohol (PC/A) systems. Alcohols of increasing chain length (C6–C11) and hence
  • , polarity of the solvent, or even physical attributes (e.g., boiling point), phase transfer methods are essential. To close this knowledge gap, we have performed ablation of six different metals (Au, Ag, Cu, Fe, Al, and Ti) ranging from high to low standard electrochemical reduction potentials in a
  • both heterogeneous and homogeneous catalysis [49][50][51]; hence, we investigated their phase selectivity in more detail. The accumulated Cu or Fe concentration in both phases was quantified and the TMSs were cycled through mono- and biphasic states repetitively to investigate the stability of the
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Published 20 Feb 2025

Synthesis and the impact of hydroxyapatite nanoparticles on the viability and activity of rhizobacteria

  • Bedah Rupaedah,
  • Indrika Novella,
  • Atiek Rostika Noviyanti,
  • Diana Rakhmawaty Eddy,
  • Anna Safarrida,
  • Abdul Hapid,
  • Zhafira Amila Haqqa,
  • Suryana Suryana,
  • Irwan Kurnia and
  • Fathiyah Inayatirrahmi

Beilstein J. Nanotechnol. 2025, 16, 216–228, doi:10.3762/bjnano.16.17

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  • as Fe, Al, and Ca. Thus, soluble phosphate forms that plants can absorb are formed. The organic acids generated by rhizobacteria facilitate the formation of phosphate complexes, producing H2PO4− and the subsequent appearance of clear zones within the medium [35][36]. Nitrogen-fixing activity of
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Published 18 Feb 2025

A review of metal-organic frameworks and polymers in mixed matrix membranes for CO2 capture

  • Charlotte Skjold Qvist Christensen,
  • Nicholas Hansen,
  • Mahboubeh Motadayen,
  • Nina Lock,
  • Martin Lahn Henriksen and
  • Jonathan Quinson

Beilstein J. Nanotechnol. 2025, 16, 155–186, doi:10.3762/bjnano.16.14

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Published 12 Feb 2025

Theoretical study of the electronic and optical properties of a composite formed by the zeolite NaA and a magnetite cluster

  • Joel Antúnez-García,
  • Roberto Núñez-González,
  • Vitalii Petranovskii,
  • H’Linh Hmok,
  • Armando Reyes-Serrato,
  • Fabian N. Murrieta-Rico,
  • Mufei Xiao and
  • Jonathan Zamora

Beilstein J. Nanotechnol. 2025, 16, 44–53, doi:10.3762/bjnano.16.5

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  • magnitude of the largest vector in charge density Fourier expansion is Gmax = 12.0. The energy to separate the valence states of the core states was set at a value of −7.5 Ry; thus, the Al [1s2 2s2], O [1s2], Si [1s2 2s2], Na [1s2], and Fe [1s2 2s2 2p6] electronic states are considered as core states, and
  • isolated cluster). Results and Discussion In Figure 1a, the minimum energy configuration for the NaA-M composite is depicted, corresponding to the placement of the magnetite cluster within an α-cage of the NaA, rather than within a β-cage. In this figure, it can be observed that one of the Fe atoms from
  • the magnetite cluster interacts with an oxygen atom from the pore surface, resulting in a Fe–O bond length of 2.00 Å. Figure 1b corresponds to the same composite but is described in a cubic cell, which shows clearly the location of the magnetite cluster in the α-cage. The representation of a composite
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Published 17 Jan 2025

Electrochemical nanostructured CuBTC/FeBTC MOF composite sensor for enrofloxacin detection

  • Thi Kim Ngan Nguyen,
  • Tien Dat Doan,
  • Huy Hieu Luu,
  • Hoang Anh Nguyen,
  • Thi Thu Ha Vu,
  • Quang Hai Tran,
  • Ha Tran Nguyen,
  • Thanh Binh Dang,
  • Thi Hai Yen Pham and
  • Mai Ha Hoang

Beilstein J. Nanotechnol. 2024, 15, 1522–1535, doi:10.3762/bjnano.15.120

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  • techniques. The synergistic effects of CuBTC and FeBTC are considered promising for enhancing the performance of enrofloxacin sensors in aqueous solutions. Results and Discussion Characterization of (Cu)(Fe)BTC In the XRD pattern in Figure 1a, the FeBTC sample shows peaks at 2θ values of 6.26°, 10.34°, 10.85
  • ), 20.36° (600), 21.40° (620), 23.55° (444), 24.27° (551), 26.11° (731), 29.47° (751), 35.30° (773), and 39.21° (882), characteristic for the CuBTC phase (CCDC card No. 112954) [28][33][34]. The XRD pattern of (Cu)(Fe)BTC exhibits a characteristic peak at 2θ of 10.85° assigned to the (842) crystal planes
  • of the Fe-BTC phase, and all characteristic peaks of CuBTC appear. It can be observed that the characteristic peaks of pure FeBTC have a much lower intensity than those of pure CuBTC; therefore, the intensity of the characteristic peaks of the CuBTC phase predominates in the (Cu)(Fe)BTC pattern. The
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Published 28 Nov 2024

Effect of radiation-induced vacancy saturation on the first-order phase transformation in nanoparticles: insights from a model

  • Aram Shirinyan and
  • Yuriy Bilogorodskyy

Beilstein J. Nanotechnol. 2024, 15, 1453–1472, doi:10.3762/bjnano.15.117

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  • materials. Keywords: α-phase; β-phase; chemical rate theory; Fe; nanoparticle; nucleation; phase stability diagram; polymorphic phase transision; radiation stability; thermodynamics; vacancy saturation; Introduction Solid metal or ceramic nanoparticles with a diameter in the range of 1–100 nm, when placed
  • cubic (bcc) Fe lattice it is about 1.5–2.0 eV; the energy of interstitial formation ranges from 2 to 4 eV. It is accepted that interstitials are mobile at room (low) temperature because of significantly less migration energies of 0.01–0.50 eV, whereas vacancies are mobile at very high temperatures
  • ]. Additionally, high radiation tolerance was observed in crystalline Fe/amorphous SiOC nanolaminates [8]. Long-term irradiation treatments have revealed phase transformations in HDCMs, such as the crystallization of an earlier formed amorphous state (re-crystallization) or a change in the basic crystalline state
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Published 21 Nov 2024

Functional morphology of cleaning devices in the damselfly Ischnura elegans (Odonata, Coenagrionidae)

  • Silvana Piersanti,
  • Gianandrea Salerno,
  • Wencke Krings,
  • Stanislav Gorb and
  • Manuela Rebora

Beilstein J. Nanotechnol. 2024, 15, 1260–1272, doi:10.3762/bjnano.15.102

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  • scanning electron microscope FE SEM LEO 1525 (ZEISS, Oberkochen, Germany) at 5 kV accelerating voltage. Confocal laser scanning microscopy A CLSM-based method established by Michels and Gorb [37], to analyze material compositions and their gradients in arthropod cuticle by visualizing autofluorescence, was
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Published 16 Oct 2024

Photocatalytic methane oxidation over a TiO2/SiNWs p–n junction catalyst at room temperature

  • Qui Thanh Hoai Ta,
  • Luan Minh Nguyen,
  • Ngoc Hoi Nguyen,
  • Phan Khanh Thinh Nguyen and
  • Dai Hai Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1132–1141, doi:10.3762/bjnano.15.92

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  • properties of as-synthesized samples were analyzed using an X-ray diffraction system (XRD, Rigaku, SmartLab) with a 2θ range of 20–80° and a field-emission scanning electron microscope (FE-SEM, Hitachi, S-4700). The absorption properties of the thin films were analyzed using a diffuse reflectance UV–vis
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Published 02 Sep 2024

Effect of wavelength and liquid on formation of Ag, Au, Ag/Au nanoparticles via picosecond laser ablation and SERS-based detection of DMMP

  • Sree Satya Bharati Moram,
  • Chandu Byram and
  • Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1054–1069, doi:10.3762/bjnano.15.86

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  • , such as high cost, chemical instability, and sustainability issues [22][23]. Menéndez-Manjón et al. [24] reported the synthesis of Ag/Au alloy NPs via picosecond LASiS of solid targets in monomer MMA. Amendola et al. [25] demonstrated the fabrication of magneto-plasmonic alloy NPs, such as Fe–Au, by
  • laser ablating Au/Fe multilayers with varying thicknesses and deposition orders. Jakobi et al. [26] reported the synthesis of Pt–Ir alloy NPs by femtosecond laser ablation of a Pt9Ir target in acetone and further utilized as PtIr electrodes. In recent years, laser-ablated NPs/NSs have gained prominent
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Published 19 Aug 2024

Bolometric IR photoresponse based on a 3D micro-nano integrated CNT architecture

  • Yasameen Al-Mafrachi,
  • Sandeep Yadav,
  • Sascha Preu,
  • Jörg J. Schneider and
  • Oktay Yilmazoglu

Beilstein J. Nanotechnol. 2024, 15, 1030–1040, doi:10.3762/bjnano.15.84

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  •  1c was defined by overlapping two tantalum-based growth stop strips (150 nm, sputtering) with a rectangular Fe layer (2 nm, e-beam) on the Si wafer. Only regions with direct Fe/AlOx contact were active for CNT growth. This combination allows for the definition of any shape, offering versatility for
  • optimizing device parameters such as resistance, optical absorption characteristics, and heat conductivity. The M-shape was used to have a homogeneous gas flow parallel to the CNT walls during CNT growth to achieve repeatably aligned walls. Prior to CNT growth, the Fe catalyst layer self-assembled into Fe
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Published 15 Aug 2024

Therapeutic effect of F127-folate@PLGA/CHL/IR780 nanoparticles on folate receptor-expressing cancer cells

  • Thi Ngoc Han Pham,
  • Phuong-Thao Dang-Luong,
  • Hong-Phuc Nguyen,
  • Loc Le-Tuan,
  • Xuan Thang Cao,
  • Thanh-Danh Nguyen,
  • Vy Tran Anh and
  • Hieu Vu_Quang

Beilstein J. Nanotechnol. 2024, 15, 954–964, doi:10.3762/bjnano.15.78

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  • /IR780 (10 μL) suspension was loaded on a silica film for 1 min, and water was allowed to evaporate. Then, the nanoparticles were coated with titanium, and the SEM images were acquired using a FE-SEM S4800 HITACHI, Japan. Drug loading efficiency The F127-folate@PLGA/CHL/IR780 suspension was freeze-dried
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Published 31 Jul 2024
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