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

• -density, mainly double-walled CNTs with simple lateral external contacts to the surroundings. Standard optical lithography techniques were used to locally tailor the width of the vertical block structure. The complete sensor system, based on a broadband blackbody absorber region and a high-resistance

• customized specific requirements for various applications. While the thermal conductivity along the CNT orientation is large, it decreases dramatically in the perpendicular direction [5]. This thermal behavior varies significantly depending on structure, density, and fabrication of the CNTs. Single-walled

• material. The electrical conductivity of a vertically aligned CNT structure is defined by the intrinsic conductivity along the CNTs and the tunneling at the CNT junctions. The vertical electrical conduction is based on long conduction paths along the CNTs and few junction contacts, while the lateral

Ca_n neutral clusters: a two-step G₀W₀ and DFT benchmark

• Sunila Bakhsh,
• Sameen Aslam,
• Muhammad Khalid,
• Muhammad Sohail,
• Sundas Zafar,
• Sumayya Abdul Wadood,
• Kareem Morsy and
• Muhammad Aamir Iqbal

Beilstein J. Nanotechnol. 2024, 15, 1010–1016, doi:10.3762/bjnano.15.82

• geometries, electron affinities, and ionization potentials reported in the benchmark. The ground-state structure geometry and binding energy were obtained from the DFT for the ground-state structure of each cluster. The binding energy of the neutral clusters of the calcium series follows an increasing trend

• ; density functional theory; G0W0 approximation; ionization potentials; magic clusters; Introduction Calcium metal has a closed shell structure and belongs to the group IIA alkaline-earth metals [1]. It has been widely used in carbon-chemical engineering (coating fullerene in hydrogen storage), optics, and

• small Ca clusters of up to 20 atoms, the structure, energies, and electronic structure were studied within the all-electron DFT approach. Our work aims to present the intricate characteristics of small Ca clusters by employing the DFT and state-of-the-art G0W0 approximation, which was recently used to

Atomistic insights into the morphological dynamics of gold and platinum nanoparticles: MD simulations in vacuum and aqueous media

• Evangelos Voyiatzis,
• Eugenia Valsami-Jones and
• Antreas Afantitis

Beilstein J. Nanotechnol. 2024, 15, 995–1009, doi:10.3762/bjnano.15.81

• , and the temperature. To this end, atomistic molecular dynamics simulations have been performed for gold (Au) and platinum (Pt) NPs with diameters from 1 to 8 nm for a range of temperatures. Bulk Au and Pt materials share the same unit cell of the crystal structure, yet they differ in the strength of

• information regarding the toxicity and reactivity of these NPs by monitoring the behaviour of nano-descriptors commonly employed in quantitative structure–activity relationship (QSAR) models and by measuring the water–NP energetic interactions. The extracted information from our simulations complements

• Pt unit cell. Although both Au and Pt share the same FCC structure, the cohesive energy is larger in Pt; thus, the restoring forces to the equilibrium crystal positions are stronger. This is also supported by the findings shown below in Figure 6. The transition temperature is lowered to 900 and 300 K

Recent progress on field-effect transistor-based biosensors: device perspective

• Billel Smaani,
• Fares Nafa,
• Mohamed Salah Benlatrech,
• Ismahan Mahdi,
• Hamza Akroum,
• Mohamed walid Azizi,
• Khaled Harrar and
• Sayan Kanungo

Beilstein J. Nanotechnol. 2024, 15, 977–994, doi:10.3762/bjnano.15.80

• increasing their use in daily life [38]. The first ion-sensitive field-effect transistor (IS FETs) biosensor combined the metal–oxide–semiconductor (MOS) structure with glass electrodes for measuring ion activities in electrochemical and biological environments [39]. Subsequently, hydrogen-sensitive MOSFET

• FET-based biosensors 2.1.1 Nanotube FET-based biosensors. Tayal et al. [60] introduced a heterogate nanotube junctionless (HG NT JL) FET-based biosensor structure. The gate-all-around (GAA) structure is implemented for better electrostatic integrity regarding the dielectric and charge modulation [61

• ]. Figure 5 shows the 2D representation of the structure of a silicon HG NT JL FET-based biosensor. In this case, the full architecture of a nanotube FET has been used to design high performance biosensors. There are two types of gate cavity: the inner gate cavity and the outer gate cavity, as shown in

Beyond biomimicry – next generation applications of bioinspired adhesives from microfluidics to composites

• Dan Sameoto

Beilstein J. Nanotechnol. 2024, 15, 965–976, doi:10.3762/bjnano.15.79

• the cap structure [28]. The choice of material depends on the application requirements; silicone rubber may be preferable for applications needing high directionality and easy activation/deactivation, while materials like polyurethane or thermoplastic elastomers are better suited for tolerating slight

• involved using an internal wax support structure within the biomimetic adhesives, acting as a soft interior in its semi-molten state and being very rigid when cooled [39]. However, the downside of thermally induced stiffness was the time scale required for modulus change, taking about five to ten minutes

• thermoplastic elastomer base. When melted together and formed into a gecko adhesive structure, a spatially heterogeneous material with fibers of the same shape (B) can simultaneously adhere to fabrics and smooth surfaces (see video in Supporting Information File 1). Geckofluidics process using similar crack

Electrospun nanofibers: building blocks for the repair of bone tissue

• Tuğrul Mert Serim,
• Gülin Amasya,
• Tuğba Eren-Böncü,
• Ceyda Tuba Şengel-Türk and
• Ayşe Nurten Özdemir

Beilstein J. Nanotechnol. 2024, 15, 941–953, doi:10.3762/bjnano.15.77

• because of their extremely large surface area-to-volume ratio, small pore size, and high porosity. Nanofibers are known to be highly functional systems with the ability to mimic the structure and function of the natural bone matrix, facilitating osteogenesis for cell proliferation and bone regeneration

• to the healing process through their porous and flexible three-dimensional structure. They can increase the permeability of gases and liquids and reduce infection by bacteria because of their high filtration efficiency. Also, there is the great possibility of adding other functional moieties into the

• sense, lamellar bone is secondary bone created by remodeling woven bone, and it is comprised of a series of lamellae. Nevertheless, it is the main type of bone in the healthy mature skeleton [11][12]. Lamellar bone consists of two different tissues differing in their structure, that is, dense tissue

Effects of cutting tool geometry on material removal of a gradient nanograined CoCrNi medium entropy alloy

• Yu-Sheng Lu,
• Yu-Xuan Hung,
• Thi-Xuyen Bui and
• Te-Hua Fang

Beilstein J. Nanotechnol. 2024, 15, 925–940, doi:10.3762/bjnano.15.76

• transform into a mixed structure of face-centered cubic and hexagonally close-packed phases. The sliding and twisting of grain boundaries and the merging of grains are essential mechanisms for polycrystalline deformation. Regarding the cutting parameters, the average resultant force, the material

• structure of such substrates is more prone to generating twinning boundaries with hexagonally close-packed (HCP) phases during the deformation process, which enables better performance in low-temperature environments, such as industry in cold areas and aerospace. Ke et al. fabricated a high-quality MEA

• through grain refinement can increase the strength further without adjusting the composition. Wei et al. used a mechanical surface abrasion treatment to prepare a CoCrNi MEA with a grain-size-gradient structure with excellent strain hardening potential compared with spark plasma sintering fine-grained

Identification of structural features of surface modifiers in engineered nanostructured metal oxides regarding cell uptake through ML-based classification

• Indrasis Dasgupta,
• Totan Das,
• Biplab Das and
• Shovanlal Gayen

Beilstein J. Nanotechnol. 2024, 15, 909–924, doi:10.3762/bjnano.15.75

• to the surface of ENMOs to modify their properties and, specifically, the cellular uptake. A lot of computational studies (Table 1) have been reported using nanoscale quantitative structure–activity relationship (nano-QSAR) models (predominantly regression-based) that specifically employ the cellular

• high because of the presence of long-chain aliphatic anhydride-like fingerprints such as in UPp 11, UPp 12, UPp 13, UPp 14, UPp 16, and UPp 18. The fingerprints UPp 2 and UPp 6 share the similarity of a dihydro-2H-pyran-2,6(3H)-dione structure. These fingerprints are seen in surface modifiers 18 and 28

• surface modifier 74 (Supporting Information File 1, Figure S4). The fingerprints UIh 5, UIh 10, UIh 13, UIh 15, and UIh 18 with a branched aliphatic structure have a negative impact on the uptake of ENMOs. As discussed previously in the case of the PaCa2 cell line, aliphatic alcohol-related fingerprints

Facile synthesis of Fe-based metal–organic frameworks from Fe₂O₃ nanoparticles and their application for CO₂/N₂ separation

• Van Nhieu Le,
• Hoai Duc Tran,
• Minh Tien Nguyen,
• Hai Bang Truong,
• Toan Minh Pham and
• Jinsoo Kim

Beilstein J. Nanotechnol. 2024, 15, 897–908, doi:10.3762/bjnano.15.74

• strength of the Lewis acid properties. Lower temperatures (approx. 150 °C) favor Fe(III), while higher temperatures up to 250 °C promote Fe(II) [9][10]. The MIL-100(Fe) structure is built from oxo-trimers of iron octahedra as SBUs together with bridges of benzene-1,3,5-tricarboxylate, yielding a hybrid

• supertetrahedral structure. Following that, the hybrid structures self-assemble in a certain sequence to form a topology resembling the MTN-type of zeolite seen in Zeolite Socony Mobil Thirty-Nine (ZSM-39) [11]. The MIL-100(Fe) structure has a cubic series containing two types of large chambers with average

• Information File 1. Characterizations The materials’ crystalline structure was identified via room-temperature powder X-ray diffraction (PXRD) patterns from a MiniFlex600 system (Rigaku, Japan). The scan covered a 2θ range of 3–40° at a speed of 6°·min−1. Information regarding the morphologies of Fe2O3 and M

Water-assisted purification during electron beam-induced deposition of platinum and gold

• Cristiano Glessi,
• Fabian A. Polman and
• Cornelis W. Hagen

Beilstein J. Nanotechnol. 2024, 15, 884–896, doi:10.3762/bjnano.15.73

• process in a low-pressure (80 Pa) water environment. Interestingly, deformation caused by electron beam-induced post-deposition purification can intentionally be used to bend the three-dimensional structure of FEBID deposits [39]. Purification during deposition avoids some of the disadvantages of post

• atom is deposited. In a fully purified structure, the C/M atom % should be zero. The precursor molecule Au(acac)Me2 contains seven carbon atoms for each gold centre, leading to a C/M atom % ratio of 7. The deposited material, without any water injection, was found to have a C/Au atom % ratio of 2.8

• in the first few seconds of exposure followed by purification only in the remaining exposure time. When a PtCx structure is exposed only to water, that is, when there is no electron exposure, no purification of the structure is observed. This means that cross-purification during subsequent

A review on the structural characterization of nanomaterials for nano-QSAR models

• Salvador Moncho,
• Eva Serrano-Candelas,
• Jesús Vicente de Julián-Ortiz and
• Rafael Gozalbes

Beilstein J. Nanotechnol. 2024, 15, 854–866, doi:10.3762/bjnano.15.71

• Conectividad Molecular, Avda. Vicent Andrés Estellés 0, 46100 Burjassot, Spain MolDrug AI Systems S.L., Olimpia Arozena Torres 45, 46108 Valencia, Spain 10.3762/bjnano.15.71 Abstract Quantitative structure–activity relationship (QSAR) models are routinely used to predict the properties and biological activity

• their risks, are blooming. One of the challenges is the characterization of the NMs. This cannot be done with a simple SMILES representation, as for organic molecules, because their chemical structure is complex, including several layers and many inorganic materials, and their size and geometry are key

• component of the nanoform (core, surface, or structure) and also experimental features (related to the nanomaterial’s behavior, preparation, or test conditions) that indirectly reflect its structure. Keywords: descriptors; nanomaterials; nano-QSAR; QSAR; toxicity; Introduction Computational techniques of

Investigation on drag reduction on rotating blade surfaces with microtextures

• Qinsong Zhu,
• Chen Zhang,
• Fuhang Yu and
• Yan Xu

Beilstein J. Nanotechnol. 2024, 15, 833–853, doi:10.3762/bjnano.15.70

• moving animals, such as the “denticles” found on the surface of shark skin, which enable high-speed swimming [2], as well as the texture of bird feathers [3]. The phenomenon of drag reduction can also be observed on the surface of plants. For example, there is a superhydrophobic structure on the surface

• of lotus leaves [4]. A thin gas film captured by the superhydrophobic structure creates a slip interface between gas and liquid, which effectively improves the drag reduction and antifouling performance of lotus leaves [5]. However, the structures on biological surfaces are rather complex and not

• ; hence, the groove structure needs to be arranged in the front section. In contrast, the back section of the suction surface already exhibits separated boundary layers and turbulent vortices, and the ribs closer to the vortex have a more significant impact on the flow of the vortex. The ribs were

Intermixing of MoS₂ and WS₂ photocatalysts toward methylene blue photodegradation

• Maryam Al Qaydi,
• Nitul S. Rajput,
• Michael Lejeune,
• Abdellatif Bouchalkha,
• Mimoun El Marssi,
• Steevy Cordette,
• Chaouki Kasmi and
• Mustapha Jouiad

Beilstein J. Nanotechnol. 2024, 15, 817–829, doi:10.3762/bjnano.15.68

• cocatalysts. Their catalytic properties can be tailored based on their crystal structure, their surface area, and their morphology [12][13]. When TMD catalysts are intermixed, they form semiconductor–semiconductor junctions, enhancing their photocatalytic properties by promoting charge separation and electron

• the flakes is in a range of a few hundred nanometers to a few microns, as observed in the SEM images. Figure 5a and Figure 5b show that the MoS2 flake has a hexagonal crystal structure with an interplanar distance of 0.61 nm, corresponding to the (002) plane of 2H-MoS2 [33]. Other MoS2 crystal

• electron–hole pairs during photodegradation is facilitated by the presence of the MoS2/WS2 composite. This structure also effectively prevents the recombination of electrons and holes, ensuring an efficient photocatalytic process. In our study, we have employed the facile and cost-effective CVD processing

Synthesis of silver–palladium Janus nanoparticles using co-sputtering of independent sources: experimental and theorical study

• Maria J. Martínez-Carreón,
• Francisco Solís-Pomar,
• Abel Fundora,
• Claudio D. Gutiérrez-Lazos,
• Sergio Mejía-Rosales,
• Hector N. Fernández-Escamilla,
• Jonathan Guerrero-Sánchez,
• Manuel F. Meléndrez and
• Eduardo Pérez-Tijerina

Beilstein J. Nanotechnol. 2024, 15, 808–816, doi:10.3762/bjnano.15.67

• this paper. Figure 2 shows two TEM micrographs. In Figure 2a, it can be seen that the nanoparticles have a Janus-type structure. Their growth in a preferential orientation in the assembly process enabled the formation of this complex and hierarchical structure. In addition, it is observed that, in the

• same nanoparticle, there are two different structures. An approximation of one of these nanoparticles in Figure 2b shows more evidently that there is one structure on the surface of another in a controlled manner. Figure 3a shows the micrograph used for the calculation of the interplanar distances. The

• thermalized the structure at 300 K using molecular dynamics in the NVT ensemble. The atomic coordinates of the final configuration of the MD run were fed to a proprietary software to build STEM-like micrographs, and simulated TEM micrographs were created with the SimulaTEM program. The analysis of the

Electron-induced ligand loss from iron tetracarbonyl methyl acrylate

• Hlib Lyshchuk,
• Atul Chaudhary,
• Thomas F. M. Luxford,
• Miloš Ranković,
• Jaroslav Kočišek,
• Juraj Fedor,
• Lisa McElwee-White and
• Pamir Nag

Beilstein J. Nanotechnol. 2024, 15, 797–807, doi:10.3762/bjnano.15.66

• acrylate, Fe(CO)4(C4H6O2), further denoted as Fe(CO)4MA. The structure of Fe(CO)4MA is shown in Figure 1. This precursor is related to iron pentacarbonyl, Fe(CO)5, with one ligand replaced with an olefinic methyl acrylate ligand. Recently, Fe(CO)4MA has been utilized for electron-induced deposition under

• probable reasons are its availability (it is a common precursor for iron-containing compounds in organometallic synthesis), ease of handling (it is a volatile liquid at standard conditions), and relatively simple structure, which allows for advanced theoretical description. The ligand loss from Fe(CO)5 in

• set to around 100 (M/ΔM). DFT calculations DFT-based structure optimization calculations have been performed using Gaussian 16 software [30]. All calculations were conducted using the commonly employed hybrid functional B3LYP [31] with a 6-31++G(d,p) [32][33] basis set and included the GD3 empirical

Electrospun polysuccinimide scaffolds containing different salts as potential wound dressing material

• Veronika Pálos,
• Krisztina S. Nagy,
• Rita Pázmány,
• Krisztina Juriga-Tóth,
• Bálint Budavári,
• Judit Domokos,
• Dóra Szabó,
• Ákos Zsembery and
• Angela Jedlovszky-Hajdu

Beilstein J. Nanotechnol. 2024, 15, 781–796, doi:10.3762/bjnano.15.65

• scaffolds [18][19][20][21]. The antibacterial effectiveness of the fibrous structure is significantly influenced by incorporating salts or nanoparticles. When electrospun fibers are combined with inorganic nanoparticles [22], they can become resistant to bacteria. However, their ability to enhance

Exploring surface charge dynamics: implications for AFM height measurements in 2D materials

• Mario Navarro-Rodriguez,
• Andres M. Somoza and
• Elisa Palacios-Lidon

Beilstein J. Nanotechnol. 2024, 15, 767–780, doi:10.3762/bjnano.15.64

• has sparked considerable interest spanning from fundamental research to practical device applications. The distinctive physical and chemical properties of 2D materials, composed of one atom- or a few atom-thick sheets, stem from their thin, flat structure, providing an exceptional surface-to-volume

• is randomly decorated with oxygen-containing functional groups, including hydroxy, epoxy, and carboxyl groups [64][65]. In contrast, rGO is derived from the partial removal of these functionalities [66][67][68][69]. Further details about the structure and properties of GO and rGO are given in section

• current density (J(x, y, z, t)) leaving the differential volume element (dV = dxdy a) has components parallel (J∥ = σ∥E∥) and perpendicular (Ji,z = σiEi,z, with i = 1,2 above and below the surface, respectively) to the surface. Supporting Information Supporting information includes: SI.1. Structure of GO

Green synthesis of biomass-derived carbon quantum dots for photocatalytic degradation of methylene blue

• Dalia Chávez-García,
• Mario Guzman,
• Viridiana Sanchez and
• Rubén D. Cadena-Nava

Beilstein J. Nanotechnol. 2024, 15, 755–766, doi:10.3762/bjnano.15.63

• (Figure 1b and Figure 1c) present a relatively symmetrical band also centered at 350 nm with a higher intensity for sample M6. Both samples were prepared using an oxidation process with nitric acid prior to the hydrothermal treatment to break the structure of the carbohydrate used. On the other hand

• in the acid structure. The peaks around 1600 cm−1 fall within the C–O range. The samples synthesized with nitric acid oxidation exhibit an additional peak at 1400 cm−1, associated with C–H and C–N bending vibrations, indicating the introduction of nitrogen atoms and oxygen-containing groups. The

• other hand, the G band is typically located around 1575 cm−1, and corresponds to C with an sp2 hybridization which is related with the graphitic structure [41]. Nevertheless, all of our samples presents a noticeable broadening of the peak and a shift in the position of the D and G bands, similarly to

Effect of repeating hydrothermal growth processes and rapid thermal annealing on CuO thin film properties

• Monika Ozga,
• Eunika Zielony,
• Aleksandra Wierzbicka,
• Anna Wolska,
• Marcin Klepka,
• Marek Godlewski,
• Bogdan J. Kowalski and
• Bartłomiej S. Witkowski

Beilstein J. Nanotechnol. 2024, 15, 743–754, doi:10.3762/bjnano.15.62

• properties of these layers and to attain the desired parameters in the final product. Controlled thermal treatment serves various purposes, such as enabling crystal structure relaxation, defect reduction, and enhancement of the films’ crystalline arrangement. Furthermore, it can lead to improved electrical

• system [52]. Both of these mechanisms contribute to an increase in grain size with each successive repetition of the HT+RTA cycle. Another consequence of thermal processing is a change in the surface structure. SEM images reveal that the number of sequencing cycles affects the continuity of the films

• procedure. It demonstrates homogeneity without a notable dominance of hills or valleys. The structural properties of the CuO films were evaluated using XRD and Raman spectroscopy. The XRD diffractograms (Figure 4A) exhibit well-defined reflections that correspond to the polycrystalline monoclinic structure

Level set simulation of focused ion beam sputtering of a multilayer substrate

• Alexander V. Rumyantsev,
• Nikolai I. Borgardt,
• Roman L. Volkov and
• Yuri A. Chaplygin

Beilstein J. Nanotechnol. 2024, 15, 733–742, doi:10.3762/bjnano.15.61

• , and their cross sections were visualized in scanning transmission electron microscopy images. The superimposition of the calculated structure profiles onto the images showed a satisfactory agreement between simulation and experimental results. In the case of boxes that were prepared with an asymmetric

• cross section, the simulation can accurately predict the depth and shape of the structures, but there is some inaccuracy in reproducing the form of the left sidewall of the structure with a large amount of the redeposited material. To further validate the developed simulation approach and gain a better

• semiconductor heterostructures [13]. Metal and dielectric layers can be used as hard masks for achieving high resolution and throughput of the FIB nanofabrication process [14]. Modification of integrated circuits [15] is an industrially relevant application of multilayer structure processing. Effective

Simultaneous electrochemical determination of uric acid and hypoxanthine at a TiO₂/graphene quantum dot-modified electrode

• Vu Ngoc Hoang,
• Dang Thi Ngoc Hoa,
• Nguyen Quang Man,
• Le Vu Truong Son,
• Le Van Thanh Son,
• Vo Thang Nguyen,
• Le Thi Hong Phong,
• Ly Hoang Diem,
• Kieu Chan Ly,
• Ho Sy Thang and
• Dinh Quang Khieu

Beilstein J. Nanotechnol. 2024, 15, 719–732, doi:10.3762/bjnano.15.60

• storage derived from their conjugate structure makes them effectively utilizable over the full light spectrum [13][14]. GQDs can be prepared through solvothermal/hydrothermal processes or carbonization from suitable organic molecules (polymers or biomass) [15]. Biomass waste (e.g., agricultural residues

• suspensions. The UV–vis spectra show absorbance bands from 200–400 nm that are typical for the colloidal systems with nanoscale particles [24][25]. The UV–vis spectrum of GQDs shows a characteristic feature of GO at ≈300 nm due to the absorption of the graphitic structure [26], while that of titanium

• of graphene. The broad nature of the diffraction peak is due to the structure of GQDs containing only few layers of graphene sheets [27]. The XRD pattern of TiO2/GQDs in solid form (dried at 100 °C for 3 h) exhibits characteristic peaks of anatase at 2θ = 25.6°, 38.1°, and 48.3°, corresponding to the

Reduced subthreshold swing in a vertical tunnel FET using a low-work-function live metal strip and a low-k material at the drain

• Kalai Selvi Kanagarajan and
• Dhanalakshmi Krishnan Sadhasivan

Beilstein J. Nanotechnol. 2024, 15, 713–718, doi:10.3762/bjnano.15.59

• research paper, a vertical tunnel field-effect transistor (TFET) structure containing a live metal strip and a material with low dielectric constant is designed, and its performance metrics are analyzed in detail. Low-k SiO2 is incorporated in the channel–drain region. A live molybdenum metal strip with

• silicon, a low leakage current, and a lattice parameter that is close to that of silicon with a modest lattice misfit (ca. 5%) [11]. In this paper, a published VTFET structure is taken for comparison [12]. A large tunnel area and a thin channel enhance the device metrics [13]. In contrast to the

• in an increased flow of i(t) in the device. In the drain–channel region, low-k SiO2 is used. This not only reduces the drain region but also reduces the charge held in the parallel-plate capacitor (gate–drain). Hence, it reduces the undesirable Cgd. Device structure, parameters, and simulation models

Elastic modulus of β-Ga₂O₃ nanowires measured by resonance and three-point bending techniques

• Annamarija Trausa,
• Sven Oras,
• Sergei Vlassov,
• Mikk Antsov,
• Tauno Tiirats,
• Andreas Kyritsakis,
• Boris Polyakov and
• Edgars Butanovs

Beilstein J. Nanotechnol. 2024, 15, 704–712, doi:10.3762/bjnano.15.58

• peaks are associated with monoclinic β-Ga2O3 (ICDD-PDF #41–1103), as indicated in Figure 1a, while the Bragg peak at around 33 degrees corresponds to the Si substrate (forbidden Si(200) reflection). Furthermore, transmission electron microscopy (TEM) was used to study the inner crystalline structure of

• the length and width of NWs for three-point bending were measured in SEM, the heights were taken from the topography data obtained by AFM in the adhered parts of the NW at each end. In Figure 5a, an SEM image captures the morphology of a Ga2O3 NW positioned over an inverted pyramid structure. Notably

• information on the crystalline structure of NWs. Fast Fourier transformation was performed on the obtained TEM images to determine crystalline orientations. The structure was also analysed using XRD on a Rigaku MiniFlex 600 X-ray powder diffractometer. The measurements were conducted in Bragg–Brentano θ/2θ

Enhancing higher-order modal response in multifrequency atomic force microscopy with a coupled cantilever system

• Wendong Sun,
• Jianqiang Qian,
• Yingzi Li,
• Yanan Chen,
• Zhipeng Dou,
• Rui Lin,
• Peng Cheng,
• Xiaodong Gao,
• Quan Yuan and
• Yifan Hu

Beilstein J. Nanotechnol. 2024, 15, 694–703, doi:10.3762/bjnano.15.57

• imaging. The structure of this model is simple, eliminating the need for micromachining of the cantilever, resulting in low cost, and facilitating widespread utilization. However, previous studies have only focused on theoretical analysis and preliminary simulations under ideal conditions. The enhancement

• applied the bridge/cantilever coupled structure to microcantilevers with different sizes and found that the modal vibration shapes were all in accordance with the vibration characteristics of the coupled system; also, the modal frequencies and higher-order modal responses were enhanced. This indicates

Gold nanomakura: nanoarchitectonics and their photothermal response in association with carrageenan hydrogels

• Nabojit Das,
• Vikas,
• Akash Kumar,
• Sanjeev Soni and
• Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 678–693, doi:10.3762/bjnano.15.56

• -centred cubic lattice structure of metallic gold [26]. The peaks are also consistent with the Joint Committee on Powder Diffraction Standard (JCPDS 04-0784) [27]. Among the obtained diffraction peaks, the peak at 38.2° exhibited maximum intensity. The composition of gold was also confirmed through

• can be seen differential UPD of AgNO3 along with the micellar structure arrangement of the surfactant which led to the generation of nanomakura-shaped nanoparticles. Seed-mediated and seedless synthesis of gold nanorods (AuNRs) In this experiment, two different approaches were adopted for synthesizing

• the quaternary ammonium group of the same family (CTAB, MTAB, and DTAB) were used for synthesis. The anisotropic structure reported in this work resembles nanomakura gold nanoparticles as reported elsewhere for the first time [12]. However, the synthesis reported in this work is conspicuously