Ultrafast signatures of magnetic inhomogeneity in Pd_1−xFe_x (x ≤ 0.08) epitaxial thin films

• Andrey V. Petrov,
• Sergey I. Nikitin,
• Lenar R. Tagirov,
• Amir I. Gumarov,
• Igor V. Yanilkin and
• Roman V. Yusupov

Beilstein J. Nanotechnol. 2022, 13, 836–844, doi:10.3762/bjnano.13.74

• ferromagnetic metals was a subject of interest in magnetic nanostructures [50][51][52] and had a value of about 3 × 105 m/s. Being stronger localized in the narrower 4d bands [44], the itinerant 4d electrons must have a lower velocity, say 105 m/s. Then, with the transport time τ ≈ 10−14 s and the electron-spin

Approaching microwave photon sensitivity with Al Josephson junctions

• Andrey L. Pankratov,
• Anna V. Gordeeva,
• Leonid S. Revin,
• Dmitry A. Ladeynov,
• Anton A. Yablokov and
• Leonid S. Kuzmin

Beilstein J. Nanotechnol. 2022, 13, 582–589, doi:10.3762/bjnano.13.50

• Common Research Center “Physics and technology of micro- and nanostructures” of IPM RAS. Funding The work is supported by the Russian Science Foundation (Project No. 19-79-10170).

Detection and imaging of Hg(II) in vivo using glutathione-functionalized gold nanoparticles

• Gufeng Li,
• Shaoqing Li,
• Rui Wang,
• Min Yang,
• Lizhu Zhang,
• Yanli Zhang,
• Wenrong Yang and
• Hongbin Wang

Beilstein J. Nanotechnol. 2022, 13, 549–559, doi:10.3762/bjnano.13.46

• may be due to the introduction of gold nanostructures. Previous studies showed that GNPs-GSH-Rh6G2 permeate well into cells [48][57][58]. Cytotoxicity studies of nanomaterials are important to determine the effects of different components of the nanostructure [59][60]. The cytotoxicity of GSH-Rh6G2

Zinc oxide nanostructures for fluorescence and Raman signal enhancement: a review

• Ioana Marica,
• Fran Nekvapil,
• Maria Ștefan,
• Cosmin Farcău and
• Alexandra Falamaș

Beilstein J. Nanotechnol. 2022, 13, 472–490, doi:10.3762/bjnano.13.40

• surface features, and the specific location of analyte molecules. Lately, ZnO-based nanostructures have been exploited especially as SERS substrates showing high enhancement factors and increased charge transfer effect. Additionally, applications focused on enhancing the fluorescence of analyte molecules

• as well as on tuning the photoluminescence properties of ZnO nanostructures through combination with metal nanoparticles. This review covers the major recent results of ZnO-based nanostructures used for fluorescence and Raman signal enhancement. The broad range of ZnO and ZnO–metal nanostructures

• synthesis methods are discussed, highlighting low-cost methods and the recyclability of ZnO-based nanosubstrates. Also, the SERS signal enhancement by ZnO-based nanostructures and the influences of lattice defects on the SERS signal are described. The photoluminescence enhancement of ZnO in the presence of

Investigation of electron-induced cross-linking of self-assembled monolayers by scanning tunneling microscopy

• Patrick Stohmann,
• Sascha Koch,
• Yang Yang,
• Christopher David Kaiser,
• Julian Ehrens,
• Jürgen Schnack,
• Niklas Biere,
• Dario Anselmetti,
• Armin Gölzhäuser and
• Xianghui Zhang

Beilstein J. Nanotechnol. 2022, 13, 462–471, doi:10.3762/bjnano.13.39

• role in science and technology. A highly focused electron beam is employed to create nanostructures via electron-beam lithography [1], and has been further developed to produce three-dimensional structures through controlled dissociation of precursor molecules [2]. Electron-induced chemistry has also

• of molecular dissociation and bond formation. In related efforts, on surface polymerization, a reaction of monomers in a two-dimensional confined space has developed rapidly in the last decades, representing a new strategy to create functional molecular nanostructures in a controlled fashion [6][7][8

Tunable superconducting neurons for networks based on radial basis functions

• Andrey E. Schegolev,
• Nikolay V. Klenov,
• Sergey V. Bakurskiy,
• Igor I. Soloviev,
• Mikhail Yu. Kupriyanov,
• Maxim V. Tereshonok and
• Anatoli S. Sidorenko

Beilstein J. Nanotechnol. 2022, 13, 444–454, doi:10.3762/bjnano.13.37

• Engineering and Nanotechnologies ASM, MD2028 Kishinev, Moldova Laboratory of Functional Nanostructures, Orel State University named after I.S. Turgenev, 302026, Orel, Russia 10.3762/bjnano.13.37 Abstract The hardware implementation of signal microprocessors based on superconducting technologies seems

A non-enzymatic electrochemical hydrogen peroxide sensor based on copper oxide nanostructures

• Irena Mihailova,
• Vjaceslavs Gerbreders,
• Marina Krasovska,
• Eriks Sledevskis,
• Valdis Mizers,
• Andrejs Bulanovs and
• Andrejs Ogurcovs

Beilstein J. Nanotechnol. 2022, 13, 424–436, doi:10.3762/bjnano.13.35

• nanostructures were obtained by a one-step hydrothermal oxidation method. The resulting coating is uniform and dense and shows good adhesion to the wire surface. Structure, surface, and composition of the obtained samples were studied using field-emission scanning electron microscopy along with energy-dispersive

• qualitative detection of H2O2 in real samples, as well as for the quantitative determination of its concentration. Keywords: copper oxide; electrochemical sensor; hydrogen peroxide; nanostructures; Introduction Hydrogen peroxide, a strong oxidant and an essential intermediate product in many biomedical

• ]. Compared to bulk materials, nanostructures have higher catalytic activity and a significantly increased surface area-to-volume ratio, which makes it possible to significantly increase both sensitivity of the sensor and rate of detection of H2O2. Among the nanostructured materials used, the most promising

A chemiresistive sensor array based on polyaniline nanocomposites and machine learning classification

• Jiri Kroutil,
• Alexandr Laposa,
• Ali Ahmad,
• Jan Voves,
• Vojtech Povolny,
• Ladislav Klimsa,
• Marina Davydova and
• Miroslav Husak

Beilstein J. Nanotechnol. 2022, 13, 411–423, doi:10.3762/bjnano.13.34

• resistance due to the decrease of hole density within the p-type film [18]. In the case of the hybrid structures, a p–n heterojunction is formed between polyaniline and n-type nanostructures such as ZnO, WO3, In2O3, or fullerene [19]. The protons from polyaniline are transferred to the NH3 molecules. This

• results in a widening of the depletion layers on p–n junctions and, thus, the resistance increases [18]. All these effects are reversible when the reducing gas is replaced by air. Beside these effects, nanostructures added into polyaniline increase the initial resistance due to larger disorder and

Electrostatic pull-in application in flexible devices: A review

• Teng Cai,
• Yuming Fang,
• Yingli Fang,
• Ruozhou Li,
• Ying Yu and
• Mingyang Huang

Beilstein J. Nanotechnol. 2022, 13, 390–403, doi:10.3762/bjnano.13.32

• functionality of nanostructures to process external stimuli applied to the device controlling the electrical current [12]. The lower pull-in voltage and the improved durability of the NEM switches require electrode materials with high Young’s modulus, conductivity, and Poisson's ratio. The flexible suspension

Micro- and nanotechnology in biomedical engineering for cartilage tissue regeneration in osteoarthritis

• Zahra Nabizadeh,
• Mahmoud Nasrollahzadeh,
• Hamed Daemi,
• Mohamadreza Baghaban Eslaminejad,
• Ali Akbar Shabani,
• Mehdi Dadashpour,
• Majid Mirmohammadkhani and
• Davood Nasrabadi

Beilstein J. Nanotechnol. 2022, 13, 363–389, doi:10.3762/bjnano.13.31

• osteochondral defects can be overcome by the versatile and efficient methods developed by TE technologies and will be discussed in detail. 3.1 Development of biomaterials using micro and nanostructures for cartilage TE Since Vacanti et al. reported the application of bioabsorbable artificial polymers as

• . Micro- and nanostructures including microspheres, NPs, nanofibers, nanotubes, and nanofilms have been designed to construct new scaffolds and or incorporated into the hydrogel network to provide a controlled release or enhanced mechanical characteristics. Many of these substructures are widely used for

• injured cartilage [66]. On the other hand, p38 MAPK inhibitor-loaded nanostructures exhibited excellent retention at the target site for up to two months and decreased inflammation and joint destruction in two different mouse models [67]. Silymarin (SM)-loaded PLGA NPs were investigated for improving

Alcohol-perturbed self-assembly of the tobacco mosaic virus coat protein

• Ismael Abu-Baker and
• Amy Szuchmacher Blum

Beilstein J. Nanotechnol. 2022, 13, 355–362, doi:10.3762/bjnano.13.30

• ]. Biological scaffolds can be programmed through predictable chemical interactions, such as DNA base pairing, disulfide bond formation, and metal coordination, to form complex, well-defined nanostructures [5][6]. Viruses and virus-like particles (VLPs) possess many advantageous properties for biotemplating

The effect of metal surface nanomorphology on the output performance of a TENG

• Yiru Wang,
• Xin Zhao,
• Yang Liu and
• Wenjun Zhou

Beilstein J. Nanotechnol. 2022, 13, 298–312, doi:10.3762/bjnano.13.25

• nanocrystals will directly affect the contact area and the output performance will be greatly reduced. Nanostructured surfaces with different particle size distributions were prepared under different experimental conditions. According to the particle shapes, the nanostructures have been divided into three

• image that when a pressure of 3 MPa is applied to the PTFE surface at the top of the Cu nanoparticles, the surface structure of the PTFE polymer is bent (Figure 11). The large nanostructures on both edges are in contact with the polymer surface, but the small nanostructure in the middle is not in

• classified according to the particle size. Different colors were selected for different particle sizes to visually display the particle size distribution. Samples 4 and 5 show pyramidal nanostructures, samples 3, 6, 7, and 8 show spheroidal nanostructures, and samples 1 and 2 show nanoscale strips. Samples 9

Engineered titania nanomaterials in advanced clinical applications

• Padmavati Sahare,
• Paulina Govea Alvarez,
• Juan Manual Sanchez Yanez,
• Gabriel Luna-Bárcenas,
• Samik Chakraborty,
• Sujay Paul and
• Miriam Estevez

Beilstein J. Nanotechnol. 2022, 13, 201–218, doi:10.3762/bjnano.13.15

• review aims to present a comprehensive and up-to-date overview of TiO2-based nanotherapeutics and the corresponding future challenges. Keywords: clinical application; nanostructures; physicochemical; theranostics; titanium dioxide (TiO2); Introduction Nanomaterials can be described as any organic

• providing new and innovative medical solutions. About 1300 nanomaterials are currently available worldwide, with TiO2 being the second most abundantly used material in our day-to-day life. Advancement in nanotechnology has resulted in the fabrication of different forms of TiO2 nanostructures, such as

• nanostructures such as nanotubes and nanowires have been utilized in photoelectrochemical sensing for the rapid and precise identification of biological analytes at low concentrations, useful for clinical diagnosis. These nanostructures have been employed for sensing humidity, oxygen, and hydrogen, inclusive of

Low-energy electron interaction and focused electron beam-induced deposition of molybdenum hexacarbonyl (Mo(CO)₆)

• Po-Yuan Shih,
• Maicol Cipriani,
• Christian Felix Hermanns,
• Jens Oster,
• Klaus Edinger,
• Armin Gölzhäuser and
• Oddur Ingólfsson

Beilstein J. Nanotechnol. 2022, 13, 182–191, doi:10.3762/bjnano.13.13

• applications of such types a good and target-oriented fabrication control of molybdenum nanostructures is important. Potentially, this may be achievable by focused electron beam-induced deposition (FEBID). In FEBID of metallic structures, organometallic precursor molecules are generally used as the metal

Sputtering onto liquids: a critical review

• Anastasiya Sergievskaya,
• Adrien Chauvin and
• Stephanos Konstantinidis

Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2

Alteration of nanomechanical properties of pancreatic cancer cells through anticancer drug treatment revealed by atomic force microscopy

• Xiaoteng Liang,
• Shuai Liu,
• Xiuchao Wang,
• Dan Xia and
• Qiang Li

Beilstein J. Nanotechnol. 2021, 12, 1372–1379, doi:10.3762/bjnano.12.101

• cell morphology. Moreover, in actual cases, it may happen that cancer cells mimic the morphology of normal cells [22][23][24]. The nanostructure of the different types of cells measured by AFM is shown in Figure 2e–h. The nanostructures of the four cell types are significantly different. The detailed

Chemical vapor deposition of germanium-rich CrGe_x nanowires

• Vladislav Dřínek,
• Stanislav Tiagulskyi,
• Roman Yatskiv,
• Jan Grym,
• Radek Fajgar,
• Věra Jandová,
• Martin Koštejn and
• Jaroslav Kupčík

Beilstein J. Nanotechnol. 2021, 12, 1365–1371, doi:10.3762/bjnano.12.100

• representatives of diluted magnetic semiconductors, which have been intensively studied for future magnetic, optomagnetic, electronic, and related devices. Preparation of Cr/Ge materials in the form of NWs opens space for tuning the magnetic properties in germanium-rich Cr/Ge nanostructures. Moreover, the complex

Cantilever signature of tip detachment during contact resonance AFM

• Devin Kalafut,
• Ryan Wagner,
• Maria Jose Cadena,
• Anil Bajaj and
• Arvind Raman

Beilstein J. Nanotechnol. 2021, 12, 1286–1296, doi:10.3762/bjnano.12.96

• signature are provided in Supporting Information File 1. These were performed using the same Cypher S AFM microscope with an ACLA AFM cantilever (Applied NanoStructures, Inc., Mountain View, CA, USA) on a silicon sample, but driven by a piezoelectric actuator under the sample instead of via photothermal

Plasmon-enhanced photoluminescence from TiO₂ and TeO₂ thin films doped by Eu³⁺ for optoelectronic applications

• Marcin Łapiński,
• Jakub Czubek,
• Katarzyna Drozdowska,
• Anna Synak,
• Wojciech Sadowski and
• Barbara Kościelska

Beilstein J. Nanotechnol. 2021, 12, 1271–1278, doi:10.3762/bjnano.12.94

• luminescence properties of europium-doped titanium dioxide and tellurium oxide thin films enhanced by gold plasmonic nanostructures. We propose a new type of plasmon structure with an ultrathin dielectric film between plasmonic platform and luminescent material. Plasmonic platforms were manufactured through

• thermal annealing of the gold thin film. Thermal dewetting of gold film results in spherical gold nanostructures with average dimensions of 50 nm. Both, luminescent TiO2:Eu and TeO2:Eu films were deposited by RF magnetron sputtering from mosaic targets. The morphology of the gold nanostructures was

• candidates as phosphors in white LEDs. Keywords: gold nanostructures; luminescence; plasmon resonance; Introduction The rapid development of optoelectronics leads to challenges in the search for new luminescence materials. Especially the fabrication of white LEDs requires more efficient phosphors

Enhancement of the piezoelectric coefficient in PVDF-TrFe/CoFe₂O₄ nanocomposites through DC magnetic poling

• Marco Fortunato,
• Alessio Tamburrano,
• Maria Paola Bracciale,
• Maria Laura Santarelli and
• Maria Sabrina Sarto

Beilstein J. Nanotechnol. 2021, 12, 1262–1270, doi:10.3762/bjnano.12.93

• with zinc oxide nanostructures [1][3][5][6]. Recently, it was shown that the β phase content of PVDF can be improved introducing CoFe2O4 nanoparticles into the polymer and applying a DC magnetic field [25]. This effect has been ascribed to the strong tensile stress at the CoFe2O4/PVDF interfaces

Impact of electron–phonon coupling on electron transport through T-shaped arrangements of quantum dots in the Kondo regime

• Patryk Florków and
• Stanisław Lipiński

Beilstein J. Nanotechnol. 2021, 12, 1209–1225, doi:10.3762/bjnano.12.89

• Patryk Florkow Stanislaw Lipinski Department of Theory of Nanostructures, Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland 10.3762/bjnano.12.89 Abstract We calculate the conductance through strongly correlated T-shaped molecular or quantum

• been observed in semiconductor-based quantum dots (QDs) [1][2][3][4], in carbon nanotubes [5], and in molecular nanostructures [6][7][8][9]. Besides the spin, also other degrees of freedom, for example, orbital [10] or charge [11][12] can give rise to Kondo correlations. For systems with higher

Morphology-driven gas sensing by fabricated fractals: A review

• Vishal Kamathe and
• Rupali Nagar

Beilstein J. Nanotechnol. 2021, 12, 1187–1208, doi:10.3762/bjnano.12.88

• metal oxide (SMO) sensors are most popular due to their low cost, simplicity, easy fabrication, and wide range of gas detection capabilities [9]. Thin films and nanostructures exhibit better sensing characteristics. Various researchers have reported structures with morphologies such as nanowires (NWs

• spherical and labyrinth structures exhibited low sensitivity to ethanol and acetone vapors, while a sensitivity greater than 20 it was observed in case of percolation network nanostructures. Thus, the network and pore connectivity of fractal nanostructures becomes crucial for a better gas sensing response

• 2–3 µm length) by a hydrothermal method and calcined the fabricated nanostructure precursors in air [84]. Figure 23a–f shows SEM and TEM micrographs with selected-area electron diffraction (SAED) patterns of the Co3O4 nanostructures. Hydrogen peroxide (H2O2) was detected by an electrochemical sensor

Irradiation-driven molecular dynamics simulation of the FEBID process for Pt(PF₃)₄

• Alexey Prosvetov,
• Alexey V. Verkhovtsev,
• Gennady Sushko and
• Andrey V. Solov’yov

Beilstein J. Nanotechnol. 2021, 12, 1151–1172, doi:10.3762/bjnano.12.86

• presents a detailed computational protocol for the atomistic simulation of formation and growth of metal-containing nanostructures during focused electron beam-induced deposition (FEBID). The protocol is based upon irradiation-driven molecular dynamics (IDMD), a novel and general methodology for computer

• nanostructures. The analysis of the simulation results provides spatially resolved relative metal content, height, and growth rate of the deposits, which represents valuable reference data for the experimental characterization of the nanostructures grown by FEBID. Keywords: focused electron beam-induced

• deposition; irradiation-driven molecular dynamics; irradiation-induced chemistry; platinum nanostructures; reactive force fields; Introduction The controllable fabrication of nanostructures with nanoscale resolution remains a considerable scientific and technological challenge [1]. To address this challenge

Self-assembly of amino acids toward functional biomaterials

• Huan Ren,
• Lifang Wu,
• Lina Tan,
• Yanni Bao,
• Yuchen Ma,
• Yong Jin and
• Qianli Zou

Beilstein J. Nanotechnol. 2021, 12, 1140–1150, doi:10.3762/bjnano.12.85

• nanostructures at both microscopic and macroscopic scales. Amino acids, as the smallest constituent of proteins and the smallest constituent in the bottom-up approach, are the smallest building blocks that can be self-assembled. The self-assembly of single amino acids has the advantages of low synthesis cost

• various nanostructures, such as nanowires [17], nanofibers [18], nanospheres [19], nanovesicles [20], nanogels [21], nanobelts [22], and nanotubes [23]. Self-assembly not only conveys higher stability and mechanical strength to proteins and peptides, but also further enhances their natural activity and

• as functional materials it can be difficult to arrange assembled nanostructures at both microscopic and macroscopic scales [10]. Also, fine manipulation of noncovalent interactions and corresponding peptide and protein nanostructures remains a huge challenge [24]. Amino acids are the major components

Assessment of the optical and electrical properties of light-emitting diodes containing carbon-based nanostructures and plasmonic nanoparticles: a review

• Keshav Nagpal,
• Erwan Rauwel,
• Frédérique Ducroquet and
• Protima Rauwel

Beilstein J. Nanotechnol. 2021, 12, 1078–1092, doi:10.3762/bjnano.12.80

• employed in display applications and lighting systems. Further research on LED that incorporates carbon nanostructures and metal nanoparticles exhibiting surface plasmon resonance has demonstrated a significant improvement in device performance. These devices offer lower turn-on voltages, higher external

• quantum efficiencies, and luminance. De facto, plasmonic nanoparticles, such as Au and Ag have boosted the luminance of red, green, and blue emissions. When combined with carbon nanostructures they additionally offer new possibilities towards lightweight and flexible devices with better thermal management

• . This review surveys the diverse possibilities to combine various inorganic, organic, and carbon nanostructures along with plasmonic nanoparticles. Such combinations would allow an enhancement in the overall properties of LED. Keywords: carbon nanotubes (CNT); graphene; light-emitting diodes (LED