Upper critical magnetic field in NbRe and NbReN micrometric strips

• Zahra Makhdoumi Kakhaki,
• Antonio Leo,
• Federico Chianese,
• Loredana Parlato,
• Giovanni Piero Pepe,
• Angela Nigro,
• Carla Cirillo and
• Carmine Attanasio

Beilstein J. Nanotechnol. 2023, 14, 45–51, doi:10.3762/bjnano.14.5

• of 1 × 10−8 mbar. The films were deposited at room temperature from a stoichiometric NbRe (Nb0.18Re0.82) 99.95% pure target of 5 cm diameter at a power of 350 W. NbRe films, 8 nm thick, were grown at a Ar pressure of 4 μbar, which resulted in a deposition rate of 0.3 nm/s. NbReN films, 10 nm thick

The influence of structure and local structural defects on the magnetic properties of cobalt nanofilms

• Alexander Vakhrushev,
• Aleksey Fedotov,
• Olesya Severyukhina and
• Anatolie Sidorenko

Beilstein J. Nanotechnol. 2023, 14, 23–33, doi:10.3762/bjnano.14.3

• structure close to the hexagonal close-packed crystal lattice was considered. In the second case, a cobalt nanofilm formed in the previously obtained numerical experiment of multilayer niobium–cobalt nanocomposite deposition was investigated. The sizes of the systems were the same in both cases. For both

• that are influenced and corrected in the manufacturing process). The previously conducted studies considered the influence of sample parameters (e.g., temperature of the substrate on which the magnetron sputtering of nanofilms takes place, the intensity and deposition direction) on the final properties

• deposition and structure formation, we considered three substrate temperatures on which the deposition took place: 300 , 500, and 800 K. These temperatures are determined by process features of niobium and cobalt-based nanocomposite fabrication and can be seen in the legend shown in Figure 2. For both

Two-step single-reactor synthesis of oleic acid- or undecylenic acid-stabilized magnetic nanoparticles by thermal decomposition

• Mykhailo Nahorniak,
• Pamela Pasetto,
• Jean-Marc Greneche,
• Volodymyr Samaryk,
• Sandy Auguste,
• Anthony Rousseau,
• Nataliya Nosova and
• Serhii Varvarenko

Beilstein J. Nanotechnol. 2023, 14, 11–22, doi:10.3762/bjnano.14.2

• -octadecene. The stirring was continued for 30 min. The resulting reaction mass was transferred into a 250 mL reactor equipped with a mechanical stirrer and washed five times with propanone (150 mL each time) followed by nanoparticle deposition by magnetic separation on a NdFeB magnet under argon. The

Electrical and optical enhancement of ITO/Mo bilayer thin films via laser annealing

• Abdelbaki Hacini,
• Ahmad Hadi Ali,
• Nurul Nadia Adnan and
• Nafarizal Nayan

Beilstein J. Nanotechnol. 2022, 13, 1589–1595, doi:10.3762/bjnano.13.133

• by many factors, such as the type of substrate [15], the deposition technique [16][17][18], the deposition conditions [19][20][21][22], and the annealing treatment [23]. Among these factors, heat treatment is a significant factor in rearranging the nanostructure, removing defects, and improving the

• (Quorum Q300T D) at 10−4 mbar pressure. The magnetron sputter contains a double target with high purity (approx. 99.99%). The first target is for sputtering ITO (90 wt % In2O3 and 10 wt % SnO2), and the second target is for sputtering Mo. Before deposition, the Si and the glass samples were cut into

• plasma cleaner. In the IM structure, the thickness of ITO was 125 nm while the thickness of Mo was 10 nm. The thickness was controlled by two quartz crystal balances integrated within the chamber. After deposition, the bilayer thin film was treated using a Nd:YAG pulsed laser with a wavelength of 1064 nm

Single-step extraction of small-diameter single-walled carbon nanotubes in the presence of riboflavin

• Polina M. Kalachikova,
• Anastasia E. Goldt,
• Eldar M. Khabushev,
• Timofei V. Eremin,
• Timofei S. Zatsepin,
• Elena D. Obraztsova,
• Konstantin V. Larionov,
• Liubov Yu. Antipina,
• Pavel B. Sorokin and
• Albert G. Nasibulin

Beilstein J. Nanotechnol. 2022, 13, 1564–1571, doi:10.3762/bjnano.13.130

• deposition sites. Supporting Information Supporting Information features additional data on the reabsorption of photons in CoMoCat/riboflavin dispersions and Tuball/riboflavin photoluminescence spectra. Supporting Information File 82: Additional experimental data. Acknowledgements The authors are grateful

Induced electric conductivity in organic polymers

• Konstantin Y. Arutyunov,
• Anatoli S. Gurski,
• Vladimir V. Artemov,
• Alexander L. Vasiliev,
• Azat R. Yusupov,
• Danfis D. Karamov and
• Alexei N. Lachinov

Beilstein J. Nanotechnol. 2022, 13, 1551–1557, doi:10.3762/bjnano.13.128

• film during the thermal deposition of lead. Moreover, the PDP decomposition starts at 440 °С, which is significantly higher than the melting point of lead, 327 °C. Moreover, it cannot be ruled out that such defects as ‘collapse’ of lead electrodes (Figure 2c) are not intrinsic, and could have appeared

Photoelectrochemical water oxidation over TiO₂ nanotubes modified with MoS₂ and g-C₃N₄

• Phuong Hoang Nguyen,
• Thi Minh Cao,
• Tho Truong Nguyen,
• Hien Duy Tong and
• Viet Van Pham

Beilstein J. Nanotechnol. 2022, 13, 1541–1550, doi:10.3762/bjnano.13.127

• materials (Figure 1b). This agrees with the results of previous publications in which hydrothermal methods were applied [24][25][26]. The SEM image of the g-C3N4 material shows the uniform nanosheets that were fabricated by the melamine pyrolysis method (Figure 1c). After the deposition of 2D materials MoS2

A TiO₂@MWCNTs nanocomposite photoanode for solar-driven water splitting

• Anh Quynh Huu Le,
• Ngoc Nhu Thi Nguyen,
• Hai Duy Tran,
• Van-Huy Nguyen and
• Le-Hai Tran

Beilstein J. Nanotechnol. 2022, 13, 1520–1530, doi:10.3762/bjnano.13.125

• via chemical vapor deposition were supplied by Vinanotech (Vietnam). Titanium tetrachloride (purity >99%) was purchased from Sigma-Aldrich (USA), and pure potassium hydroxide and potassium chloride (purity >85%) were provided from Merck (Germany). All other chemical reagents used in this study were of

Supramolecular assembly of pentamidine and polymeric cyclodextrin bimetallic core–shell nanoarchitectures

• Alexandru-Milentie Hada,
• Nina Burduja,
• Marco Abbate,
• Claudio Stagno,
• Guy Caljon,
• Louis Maes,
• Nicola Micale,
• Massimiliano Cordaro,
• Angela Scala,
• Antonino Mazzaglia and
• Anna Piperno

Beilstein J. Nanotechnol. 2022, 13, 1361–1369, doi:10.3762/bjnano.13.112

• of NPs and that this step is preparatory for the subsequent deposition of the silver shell. Conversely, in the case of monometallic Ag NPs, the reduction of silver ions (usually mediated by ascorbic acid) takes place at sites which are not involved in the nucleation/growing process leading to poorly

• ) were synthesized under mild conditions, according to our previously reported procedures [14], as follows: a) preparation of the gold inner core (nanoG) by direct reduction of HAuCl4 using PolyCD as both reducing and capping agent and b) deposition of an outer silver layer by ascorbic acid-mediated

Recent trends in Bi-based nanomaterials: challenges, fabrication, enhancement techniques, and environmental applications

• Vishal Dutta,
• Ankush Chauhan,
• Ritesh Verma,
• C. Gopalkrishnan and
• Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 1316–1336, doi:10.3762/bjnano.13.109

• and deposition and doping of metals and non-metallic elements are the most common doping methods. Metal ions modify the crystal structure of the Bi-based semiconductor photocatalysts or induce defects. Also, the photocatalytic properties may be altered by doping or deposition of metallic components

• Bi2WO6 photocatalysts that had been reported in the past. In addition to this, Fe-doped Bi2WO6 has a high degree of stability. The results of this study provide new information on boosting the photoactivity of Fe-doped Bi2WO6. The SPR effect can be obtained by the deposition of metallic elements on a

Studies of probe tip materials by atomic force microscopy: a review

• Ke Xu and
• Yuzhe Liu

Beilstein J. Nanotechnol. 2022, 13, 1256–1267, doi:10.3762/bjnano.13.104

• channel structures. A faster, one-step technique for growing gold nanowires at the tips of commercial conductive AFM is proposed compared to the above methods. Bakhti et al. [35] grew gold nanowires at the tips of conductive AFM nanoprobes by electroreduction direct deposition based on the deposition of

• target nanotubes to Si tips under scanning electron microscopy; and attaching nanotubes to Si tips by carbon deposition. The strong adhesion of carbon deposition produces nanotube tips capable of surviving multiple surface collisions. The ability to image the fine structure of double-stranded DNA

• assembly methods, direct growth of carbon nanotubes by chemical vapor deposition (CVD) allows for increased bond strength between CNT tips and AFM probes. A pore growth method was used by Hafner et al. [42]. The method uses AFM imaging in contact mode to flatten the silicon tip, followed by hydrogen

Role of titanium and organic precursors in molecular layer deposition of “titanicone” hybrid materials

• Arbresha Muriqi and
• Michael Nolan

Beilstein J. Nanotechnol. 2022, 13, 1240–1255, doi:10.3762/bjnano.13.103

• Arbresha Muriqi Michael Nolan Tyndall National Institute, University College Cork, Lee Maltings, T12 R5CP Cork, Ireland 10.3762/bjnano.13.103 Abstract The development of hybrid inorganic–organic films with well-controlled properties is important for many applications. Molecular layer deposition

• (MLD) allows the deposition of these hybrid films using sequential, self-limiting reactions, similar to atomic layer deposition (ALD). In this paper, we use first principles density functional theory (DFT) to investigate the growth mechanism of titanium-containing hybrid organic–inorganic MLD films

• growth could be achieved. Keywords: density functional theory (DFT) studies; double reactions; surface chemistry; titanicone; Introduction Molecular layer deposition (MLD), a thin film deposition technique, has attracted significant attention in recent years as a suitable approach for the deposition of

Design of surface nanostructures for chirality sensing based on quartz crystal microbalance

• Yinglin Ma,
• Xiangyun Xiao and
• Qingmin Ji

Beilstein J. Nanotechnol. 2022, 13, 1201–1219, doi:10.3762/bjnano.13.100

• -coated poly(ethylene terephthalate) (PET) layer on the surface of an electrode [48]. By controlling the deposition conditions, a stable layer with a high loading amount of MIP nanoparticles could be obtained, which would allow for the detection limit of propranolol to be 2 nmol·cm−2 or approx. 1 × 1015

• (CH3)2}4] on SAMs of chiral molecules by using the atomic layer deposition (ALD) technique [120]. The specific selection effect was verified by QCM measurements using valine (Val) as the target analyte. The TiO2-SAMs films were shown to preferentially adsorb ᴅ-Val, suggesting a reliable chiral selector

• deposition (MLD) using diethylzinc (DEZn) as the inorganic precursor and Cys enantiomer as the chiral organic precursor [122]. The Zn/Cys nanostructures showed a size of 15 nm and could tightly aggregate into a homogeneous and continuous film on the QCM surface. The QCM adsorption results indicated that ʟ

Application of nanoarchitectonics in moist-electric generation

• Jia-Cheng Feng and
• Hong Xia

Beilstein J. Nanotechnol. 2022, 13, 1185–1200, doi:10.3762/bjnano.13.99

• , photolithography, embossing, deposition, and sol–gel nanofabrication, all of which can provide high specific surface areas [19][24][25][26][27][28]. Nanomaterials can also be divided into inorganic nanomaterials and organic nanomaterials. In inorganic nanomaterials, metal nanomaterials and carbon nanomaterials

• deposition (Figure 3a). Zhou Jun's group used this kind of carbon nanoscale network to absorb the evaporation energy of water vapor and have a stable electrical output of 1 V, 100 nA in 2017 [9][37][46]. The carbon nanoparticles are easy to obtain, and a large number of carbon nanoparticles can be collected

Microneedle-based ocular drug delivery systems – recent advances and challenges

• Piotr Gadziński,
• Anna Froelich,
• Monika Wojtyłko,
• Antoni Białek,
• Julia Krysztofiak and
• Tomasz Osmałek

Beilstein J. Nanotechnol. 2022, 13, 1167–1184, doi:10.3762/bjnano.13.98

• , the substrate, absorbing the laser beam, heats up and evaporates or sublimes, which yields engraved 3D patterns [150]. In the fused deposition modelling (FDM) method, the thermoplastic material is heated to its softening point, then extruded through a nozzle and applied layer by layer to the build

Rapid fabrication of MgO@g-C₃N₄ heterojunctions for photocatalytic nitric oxide removal

• Minh-Thuan Pham,
• Duyen P. H. Tran,
• Xuan-Thanh Bui and
• Sheng-Jie You

Beilstein J. Nanotechnol. 2022, 13, 1141–1154, doi:10.3762/bjnano.13.96

• visible light region, including nonmetal and noble-metal doping, metal deposition, and formation of heterojunctions [21][22]. The construction of heterojunction structures has shown its effectiveness in improving photocatalytic performance by enhancing the separation of charge carriers and optimizing the

A cantilever-based, ultrahigh-vacuum, low-temperature scanning probe instrument for multidimensional scanning force microscopy

• Hao Liu,
• Zuned Ahmed,
• Sasa Vranjkovic,
• Manfred Parschau,
• Andrada-Oana Mandru and
• Hans J. Hug

Beilstein J. Nanotechnol. 2022, 13, 1120–1140, doi:10.3762/bjnano.13.95

• the deposition of atoms or molecules on the cold sample. Microscope Design We use a fiber-optical interferometer to measure the cantilever deflection. This deflection sensor type only requires placing the end of an optical fiber in close proximity to the cantilever. All electronic components remain

Biomimetic chitosan with biocomposite nanomaterials for bone tissue repair and regeneration

• Se-Kwon Kim,
• Sesha Subramanian Murugan,
• Pandurang Appana Dalavi,
• Sebanti Gupta,
• Sukumaran Anil,
• Gi Hun Seong and
• Jayachandran Venkatesan

Beilstein J. Nanotechnol. 2022, 13, 1051–1067, doi:10.3762/bjnano.13.92

• ). Besides this, significant antibacterial properties against Staphylococcus epidermidis have been found [99]. Coating materials containing chitosan, bioactive glass, and AgNPs were developed by using the electrophoretic deposition method. The produced material was coated on stainless steel 316 substrates

• human adipose-derived mesenchymal stem cells with chitosan-conjugated AuNPs, which shows calcium deposition confirming that developed nanoparticles promote osteogenic differentiation of human adipose-derived mesenchymal stem cells. The protein expression of human adipose-derived mesenchymal stem cells

• the scaffold was tested using simulated bodily fluids, and mineral formation (calcium and phosphorous) on the surface was analysed using SEM [58]. To achieve biofunctionality, a scaffold composed of carbon nanotubes and chitosan was fabricated via electrophoretic deposition. These hybrid composites

Analytical and numerical design of a hybrid Fabry–Perot plano-concave microcavity for hexagonal boron nitride

• Felipe Ortiz-Huerta and
• Karina Garay-Palmett

Beilstein J. Nanotechnol. 2022, 13, 1030–1037, doi:10.3762/bjnano.13.90

• . Afterwards an 80 nm silver layer could be added, by thermal evaporative deposition, on top of the concave shape polymer to ensure a high reflectivity inside our microcavity. When designing the concave shape polymer a small rectangular aperture at its edge must be taken into account in the fabrication step

Effects of focused electron beam irradiation parameters on direct nanostructure formation on Ag surfaces

• Jānis Sniķeris,
• Vjačeslavs Gerbreders,
• Andrejs Bulanovs and
• Ēriks Sļedevskis

Beilstein J. Nanotechnol. 2022, 13, 1004–1010, doi:10.3762/bjnano.13.87

• nanophotonics [3]. They can also serve as catalysts for controlled chemical vapour deposition [4]. While gold is the most widely used material for fabrication of plasmonic nanostructures, silver can offer a less expensive alternative [5][6][7]. Electron beam (EB) lithography is a popular method for the

• nanopatterning of metal surfaces, but it is a complicated and expensive multistep process [8]. Electron beam induced deposition (EBID) is a direct-write lithography technique, which is capable of creating 2D and free-standing 3D nanostructures by using electron irradiation to dissociate volatile precursor

• ][25]. It should be noted that the growth rate of carbon layers under EB irradiation is also affected by the types of hydrocarbon molecules present in the vacuum chamber [26]. Normally, the deposition of carbon via focused EB irradiation is viewed as a simple addition of mass to the irradiated area

Influence of water contamination on the sputtering of silicon with low-energy argon ions investigated by molecular dynamics simulations

• Grégoire R. N. Defoort-Levkov,
• Alan Bahm and
• Patrick Philipp

Beilstein J. Nanotechnol. 2022, 13, 986–1003, doi:10.3762/bjnano.13.86

• MD/binary collision approximation (BCA) simulations. ReaxFF simulations can cover a broad range of applications: from DNA molecule bombardments with heavy atoms [31] to graphene layer deposition on copper surfaces [32]. Numerous simulations using the ReaxFF potential have been conducted in the past

• for QEq. During water deposition on top of the silicon sample, the charge equilibration was performed at each step to fully describe the deposition of the contaminant on top of the sample. Molecular dynamics simulations Molecular dynamics simulations of argon bombardment on a silicon surface were

• gradual contamination of the sample by residual gas molecules, by giving a vertical energy of 0.5 eV to the water slab. After water deposition, a series of irradiation simulations was carried out using the same conditions than those for the pristine sample. For the estimation of water contamination, we

Theoretical investigations of oxygen vacancy effects in nickel-doped zirconia from ab initio XANES spectroscopy at the oxygen K-edge

• Dick Hartmann Douma,
• Lodvert Tchibota Poaty,
• Alessio Lamperti,
• Stéphane Kenmoe,
• Abdulrafiu Tunde Raji,
• Alberto Debernardi and
• Bernard M’Passi-Mabiala

Beilstein J. Nanotechnol. 2022, 13, 975–985, doi:10.3762/bjnano.13.85

• structure. The fluorite structure is not stable under ambient conditions and, thus, zirconia is usually found in the monoclinic phase. The cubic distorted fluorite structure may however be stabilized by a doping or by deposition as a thin film (because the surface energy of the cubic structure is lower than

• that of the monoclinic structure) [35]. Thus, our structural phase of reference in this work is cubic distorted fluorite zirconia since we are doping it and also due to the fact that actual experiments involving atomic layer deposition of TM-doped zirconia thin films revealed the cubic phase [26]. In

Interaction between honeybee mandibles and propolis

• Leonie Saccardi,
• Franz Brümmer,
• Jonas Schiebl,
• Oliver Schwarz,
• Alexander Kovalev and
• Stanislav Gorb

Beilstein J. Nanotechnol. 2022, 13, 958–974, doi:10.3762/bjnano.13.84

• , Stuttgart, Germany Department Functional Morphology and Biomechanics, Zoological Institute, Kiel University, Kiel, Germany 10.3762/bjnano.13.84 Abstract In a biomimetic top-down process, challenging the problem of resin deposition on woodworking machine tools, an adequate biological model was sought, which

Design of a biomimetic, small-scale artificial leaf surface for the study of environmental interactions

• Miriam Anna Huth,
• Axel Huth,
• Lukas Schreiber and
• Kerstin Koch

Beilstein J. Nanotechnol. 2022, 13, 944–957, doi:10.3762/bjnano.13.83

• of structures that often do not correspond to the original wax type [20][42]. Due to the ring-shaped accumulation and the resulting pattern, this effect is called the “coffee drop effect” [47][48]. This undesirable effect can be avoided by the solvent-free process of physical vapor deposition (PVD

• plate with the wax source and the samples to be coated was 4 cm. After wax deposition, samples were stored in an oven at 50 °C for 72 h. In the following, the artificial surfaces are named according to the amount of wax used for wax coating. Scanning electron microscopy of wax morphology The

• the drops rolled off longitudinally to the leaf venation. If a drop rolled off immediately after deposition, the CA and the CAH were not measurable. The TA was set to 0.1° in these cases. The wetting properties of leaf 2, 3 and 4 and of their upper and lower sides were analyzed separately (for each

Bioselectivity of silk protein-based materials and their bio-inspired applications

• Hendrik Bargel,
• Vanessa T. Trossmann,
• Christoph Sommer and
• Thomas Scheibel

Beilstein J. Nanotechnol. 2022, 13, 902–921, doi:10.3762/bjnano.13.81

• obtained from fluorinated silica colloids, thin film deposition of silicone elastomers or nanoengineered superhydrophobic surfaces of Teflon®-coated aluminium [63][64][65]. Superhydrophobic surfaces have also been reported to be unfavorable for mammalian cell attachment and growth. This may be due to the