Measurements of dichroic bow-tie antenna arrays with integrated cold-electron bolometers using YBCO oscillators

• Leonid S. Revin,
• Dmitry A. Pimanov,
• Alexander V. Chiginev,
• Anton V. Blagodatkin,
• Viktor O. Zbrozhek,
• Andrey V. Samartsev,
• Anastasia N. Orlova,
• Dmitry V. Masterov,
• Alexey E. Parafin,
• Victoria Yu. Safonova,
• Anna V. Gordeeva,
• Andrey L. Pankratov,
• Leonid S. Kuzmin,
• Anatolie S. Sidorenko,
• Silvia Masi and
• Paolo de Bernardis

Beilstein J. Nanotechnol. 2024, 15, 26–36, doi:10.3762/bjnano.15.3

• Bernardis Nizhny Novgorod State Technical University n.a. R.E. Alekseev, Minin Street, 24, Nizhny Novgorod, 603155, Russia Institute for Physics of Microstructures of the Russian Academy of Sciences, Akademicheskaya Street 7, Nizhny Novgorod, 603950, Russia Department of Microtechnology and Nanoscience

• Microstructures of the Russian Academy of Sciences (IPM RAS), with subsequent measurements of the samples in the sorption 3He refrigerator of our laboratory. The 210/240 GHz receiving system is fabricated using a two-layer technology (two lithography steps). During the first photolithography step, a layer of

Hierarchically patterned polyurethane microgrooves featuring nanopillars or nanoholes for neurite elongation and alignment

• Lester Uy Vinzons,
• Guo-Chung Dong and
• Shu-Ping Lin

Beilstein J. Nanotechnol. 2023, 14, 1157–1168, doi:10.3762/bjnano.14.96

• , the question arises: Can discrete structures be combined with continuous structures for possible synergistic effects? Indeed, several studies have fabricated hierarchical discrete nanostructures on continuous microstructures in order to better mimic the micro- and the nanostructure of the native nerve

• demonstrates a promising method for the creation of hierarchical nano-/microstructures on various polymers for nerve implant applications. Results and Discussion Fabrication and characterization of PU nanopillar and nanohole substrates We first fabricated nanopillar and nanohole arrays on medical-grade

• facilitates the creation of nano-/microstructures on substrates of different solvent-castable polymers without the use of expensive equipment. Moreover, the hierarchically patterned microgrooves featuring nanopillars and nanoholes provide an additional strategy for the enhancement of next-generation nerve

Exploring internal structures and properties of terpolymer fibers via real-space characterizations

• Michael R. Roenbeck and
• Kenneth E. Strawhecker

Beilstein J. Nanotechnol. 2023, 14, 1004–1017, doi:10.3762/bjnano.14.83

• investigated the processing and properties of high-performance terpolymer fibers, much remains to be understood about the internal nano- and microstructures of these fibers, and how these morphologies relate to fiber properties. Here we use a focused ion beam notch technique and multifrequency atomic force

• development of future classes of high-performance fibers. Results AFM characterizations of Technora® AFM maps enable direct characterization of both fiber nano- and microstructures in real space. Large-scale maps span across the fiber diameter to highlight prominent microstructural features. For Technora

• contextualize several aspects related to our findings. First, we describe how this real-space characterization provides new information about the Technora® fiber nanostructure. We then focus on fiber microstructures, highlighting how this technique expands upon conclusions from previous studies. Lastly, we

Biomimetics on the micro- and nanoscale – The 25th anniversary of the lotus effect

• Matthias Mail,
• Kerstin Koch,
• Thomas Speck,
• William M. Megill and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2023, 14, 850–856, doi:10.3762/bjnano.14.69

• breadth of biological knowledge is still the foundation on which biomimetics is built. The paper by Mail et al. [17] “Dry under water: air retaining properties of large-scale elastomer foils covered with mushroom-shaped surface microstructures” focuses on superhydrophobic surfaces, not only on water

• properties: an adhesive elastomeric film with mushroom-shaped surface microstructures that mimic the adhesion system of animals. They show that this elastomer foil provides good air retention capabilities and is a promising material for the development of an economically and efficient biomimetic air

The microstrain-accompanied structural phase transition from h-MoO₃ to α-MoO₃ investigated by in situ X-ray diffraction

• Zeqian Zhang,
• Honglong Shi,
• Boxiang Zhuang,
• Minting Luo and
• Zhenfei Hu

Beilstein J. Nanotechnol. 2023, 14, 692–700, doi:10.3762/bjnano.14.55

• micrometres in diameter, with a flat and smooth outer surface. In comparison, the hexagonal prisms in the sample calcinated at 400 °C (α-MoO3) are subdivided into numerous tabular microstructures, as displayed in Figure 1d. The tabular microstructures have a thickness of about 100 nm and a width of a few

• , 430, and 450 °C, respectively. The morphologies of the three samples (the inset of Figure S1 in Supporting Information File 1) are, respectively, smooth hexagonal prisms in h-MoO3, phase boundaries between h-MoO3 and α-MoO3, and numerous tabular microstructures in α-MoO3, implying that the h/α phase

• , respectively. (b) Mass fraction of the α-MoO3 phase and the microstrain in the h-MoO3 phase. (c,d) SEM microstructures of samples calcinated at 300 and 450 °C, respectively. Crystal structure of the hexagonal phase MoO3·H2O from the sample calcinated at 375 °C. (a) Result of the Rietveld refinement; (b

ZnO-decorated SiC@C hybrids with strong electromagnetic absorption

• Liqun Duan,
• Zhiqian Yang,
• Yilu Xia,
• Xiaoqing Dai,
• Jian’an Wu and
• Minqian Sun

Beilstein J. Nanotechnol. 2023, 14, 565–573, doi:10.3762/bjnano.14.47

• photocatalysis, adsorption, and EM absorption [25]. Researchers have developed ZnO-based absorbing materials with different microstructures, such as core–shell structures [26], flower-like structures [27], rod-like structures [28], cage-like structures, and nanoparticles [29][30]. Wu et al. demonstrated that it

• carbon and wax). These findings suggest that SiC@C-ZnO hybrids with diverse microstructures may have a bright future as EM absorbers. Conclusion A new strategy for the controllable fabrication of SiC@C-ZnO hybrids via carbonization and hydrolysis reaction is described. Morphology and permittivity of the

Nanoarchitectonics to entrap living cells in silica-based systems: encapsulations with yolk–shell and sepiolite nanomaterials

• Celia Martín-Morales,
• Jorge Fernández-Méndez,
• Pilar Aranda and
• Eduardo Ruiz-Hitzky

Beilstein J. Nanotechnol. 2023, 14, 522–534, doi:10.3762/bjnano.14.43

• sol–gel methods, as well as pre-synthesised yolk–shell bionanohybrids have been studied subsequently. Optical microscopy and SEM confirm that the silica shell microstructures provide a reduced contact between cells. The inorganic matrix increases the survival of the cells and maintains their

• hand, the use of yolk–silica shell (YS) microstructures formed by soft template synthesis was explored [30] to encapsulate living cells with a highly porous SiO2 network aiming to introduce a small interstitial space between the microorganisms and the silica matrix. The latter strategy intends to

• improved transport of nutrients and metabolites across the material. The FE-SEM images in Figure 2C and Figure 2D show the same microorganism cells but previously encapsulated in yolk–shell microstructures. They are arranged differently from those immobilized freely in the silica gel substrate. In the

The origin of black and white coloration of the Asian tiger mosquito Aedes albopictus (Diptera: Culicidae)

• Manuela Rebora,
• Gianandrea Salerno,
• Silvana Piersanti,
• Alexander Kovalev and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2023, 14, 496–508, doi:10.3762/bjnano.14.41

• cuticular micro- and nanostructures present on the surface offer remarkable examples of structural colours in the animal kingdom. The relationship between shining (sometimes iridescent) colors and surface microstructures located on scales has been extensively studied in butterflies, especially in the Morpho

• been described mainly in Lepidoptera and Coleoptera [16][17]. As far as Diptera are concerned, investigations on structural colours are scanty. The aim of the present investigation is to describe in detail the nanostructures and microstructures of the scales in the Asian tiger mosquito Aedes albopictus

A novel approach to pulsed laser deposition of platinum catalyst on carbon particles for use in polymer electrolyte membrane fuel cells

• Bogusław Budner,
• Wojciech Tokarz,
• Sławomir Dyjak,
• Andrzej Czerwiński,
• Bartosz Bartosewicz and
• Bartłomiej Jankiewicz

Beilstein J. Nanotechnol. 2023, 14, 190–204, doi:10.3762/bjnano.14.19

• powerful strategy for materials creation by nanoarchitectonics [10]. Nanoarchitectonics can be used to design and fabricate innovative catalysts by tailoring their molecular composition, surface atomic arrangement, and microstructures [11]. However, it requires harmonizing various techniques and phenomena

Formation of nanoflowers: Au and Ni silicide cores surrounded by SiO_x branches

• Feitao Li,
• Siyao Wan,
• Dong Wang and
• Peter Schaaf

Beilstein J. Nanotechnol. 2023, 14, 133–140, doi:10.3762/bjnano.14.14

• decomposed areas, as shown in Figure 2. There are mainly two shapes of microstructures, namely particles and lines. The particles present bright and dark parts. The bright areas should be rich in Au based on the material contrast, and the EDS results also indicate the high Au content in Figure 2. The dark

Atmospheric water harvesting using functionalized carbon nanocones

• Fernanda R. Leivas and
• Marcia C. Barbosa

Beilstein J. Nanotechnol. 2023, 14, 1–10, doi:10.3762/bjnano.14.1

• ), which use hierarchical nano/microstructures to collect water. Some examples are the Trifolium pratense plant, the Cotula fallax cactus, and the Uloborus walckenaerius spider [14][15][16]. Usually, these biomimetic designs have an asymmetrical shape that energetically drives the directional transport of

Observation of collective excitation of surface plasmon resonances in large Josephson junction arrays

• Roger Cattaneo,
• Mikhail A. Galin and
• Vladimir M. Krasnov

Beilstein J. Nanotechnol. 2022, 13, 1578–1588, doi:10.3762/bjnano.13.132

• Roger Cattaneo Mikhail A. Galin Vladimir M. Krasnov Stockholm University, Physics Department, SE-10691 Stockholm, Sweden Institute for Physics of Microstructures RAS, 603950 Nizhny Novgorod, Russia 10.3762/bjnano.13.132 Abstract Josephson junctions can be used as sources of microwave radiation

Structural studies and selected physical investigations of LiCoO₂ obtained by combustion synthesis

• Monika Michalska,
• Paweł Ławniczak,
• Tomasz Strachowski,
• Adam Ostrowski and
• Waldemar Bednarski

Beilstein J. Nanotechnol. 2022, 13, 1473–1482, doi:10.3762/bjnano.13.121

• conversion devices, such as Li-ion batteries, solar cells, solid oxide fuel cells, and thermoelectrics. Unusual and unexpected properties and also unique microstructures (and shapes), such as high porosity, high surface area, short reaction pathways, and diffusion length for Li-ion transport, eventually

Coherent amplification of radiation from two phase-locked Josephson junction arrays

• Mikhail A. Galin,
• Vladimir M. Krasnov,
• Ilya A. Shereshevsky,
• Nadezhda K. Vdovicheva and
• Vladislav V. Kurin

Beilstein J. Nanotechnol. 2022, 13, 1445–1457, doi:10.3762/bjnano.13.119

• Mikhail A. Galin Vladimir M. Krasnov Ilya A. Shereshevsky Nadezhda K. Vdovicheva Vladislav V. Kurin Institute for Physics of Microstructures RAS, 603950 Nizhny Novgorod, Russia Department of Physics, Stockholm University, AlbaNova University Center, SE-10691 Stockholm, Sweden 10.3762/bjnano

Dry under water: air retaining properties of large-scale elastomer foils covered with mushroom-shaped surface microstructures

• Matthias Mail,
• Stefan Walheim,
• Thomas Schimmel,
• Wilhelm Barthlott,
• Stanislav N. Gorb and
• Lars Heepe

Beilstein J. Nanotechnol. 2022, 13, 1370–1379, doi:10.3762/bjnano.13.113

• effective large scale production. Meanwhile, a novel biomimetic surface is commercially available and produced on a large scale: an adhesive elastomeric film with mushroom-shaped surface microstructures that mimic the adhesion system of animals. In this study, we show that these films, which have been

• initially developed for a different purpose, due to their specific geometry at the microscale, are capable of stable air retention under water. We present first results concerning the capabilities of mushroom-shaped surface microstructures and show that this elastomer foil is able to stabilize a permanent

• at the laboratory scale and for different reasons difficult to realize in large-scale industrial productions. Here, a new and promising surface type is elastomer foils covered with mushroom-shaped surface microstructures (MSM) is introduced. These surfaces originate from the development of biomimetic

Roll-to-roll fabrication of superhydrophobic pads covered with nanofur for the efficient clean-up of oil spills

• Patrick Weiser,
• Robin Kietz,
• Marc Schneider,
• Matthias Worgull and
• Hendrik Hölscher

Beilstein J. Nanotechnol. 2022, 13, 1228–1239, doi:10.3762/bjnano.13.102

• cost-effective manner, especially on a commercial scale. While the nanofur produced in this process does not differ significantly in function, that is, contact angle and oil absorption capacity, from nanofur produced by classical hot embossing, the overall structural appearance of the microstructures

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

• chemistry, surface microstructures, an easy-to-break solid layer preventing strong bonding, or a fluid layer providing cohesion failure. Resin adhesion on stingless bees One example for possibly anti-adhesive surfaces that is especially relevant to this work, are Bornean stingless bees (Hymenoptera

• material properties on propolis adhesion, further adhesion experiments were performed. The morphology of real mandibles including the microstructures were successfully replicated in mandible replica made from Spurr’s epoxy resin (Figure 11A). Propolis adhesion was subsequently tested on these replicated

• . Stiff bristles spike the centre ridge. These hairs could play a role in cleaning as they could help to brush off contamination. Surface structures on bee mandibles Microstructures were found on the medial surface of honeybee mandibles. These anisotropic structures looked like scales and their

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

• extracted plant waxes has shown that the diverse microstructures of epicuticular waxes arise by self-assembly and that the micromorphology of wax structures is largely determined by their chemical composition [15][17][18][19][20][21][22][23]. Platelets, which mostly have a high primary alcohol content, are

• nanostructures) [27]. Due to this structural diversity and different chemical modifications, plant surfaces can have different wetting properties, ranging from superhydrophobic to superhydrophilic [28]. An overview of the diverse microstructures and their influence on the wettability of plant surfaces is given

Efficiency of electron cooling in cold-electron bolometers with traps

• Dmitrii A. Pimanov,
• Vladimir A. Frost,
• Anton V. Blagodatkin,
• Anna V. Gordeeva,
• Andrey L. Pankratov and
• Leonid S. Kuzmin

Beilstein J. Nanotechnol. 2022, 13, 896–901, doi:10.3762/bjnano.13.80

• , Gothenburg, SE-412 96, Sweden Institute for Physics of Microstructures of the Russian Academy of Sciences, GSP-105, Nizhny Novgorod, 603950, Russia 10.3762/bjnano.13.80 Abstract Electron on-chip cooling from the base temperature of 300 mK is very important for highly sensitive detectors operating in space

Numerical modeling of a multi-frequency receiving system based on an array of dipole antennas for LSPE-SWIPE

• Alexander V. Chiginev,
• Anton V. Blagodatkin,
• Dmitrii A. Pimanov,
• Ekaterina A. Matrozova,
• Anna V. Gordeeva,
• Andrey L. Pankratov and
• Leonid S. Kuzmin

Beilstein J. Nanotechnol. 2022, 13, 865–872, doi:10.3762/bjnano.13.77

• Alexander V. Chiginev Anton V. Blagodatkin Dmitrii A. Pimanov Ekaterina A. Matrozova Anna V. Gordeeva Andrey L. Pankratov Leonid S. Kuzmin Nizhny Novgorod State Technical University, Nizhny Novgorod, Minin Street, 24, 603950, Russia Institute for Physics of Microstructures of the Russian Academy

Micro-structures, nanomechanical properties and flight performance of three beetles with different folding ratios

• Jiyu Sun,
• Pengpeng Li,
• Yongwei Yan,
• Fa Song,
• Nuo Xu and
• Zhijun Zhang

Beilstein J. Nanotechnol. 2022, 13, 845–856, doi:10.3762/bjnano.13.75

• , microstructures and nanomechanical properties of three beetle species with different wing folding ratios living in different environments were investigated. Factors affecting their flight performance, that is, wind speed, folding ratio, aspect ratio, and flapping frequency, were examined using a wind tunnel. It

Hierarchical Bi₂WO₆/TiO₂-nanotube composites derived from natural cellulose for visible-light photocatalytic treatment of pollutants

• Zehao Lin,
• Zhan Yang and
• Jianguo Huang

Beilstein J. Nanotechnol. 2022, 13, 745–762, doi:10.3762/bjnano.13.66

• reference standard for solid samples. The photoluminescence (PL) spectra were obtained on a Shimadzu RF-5301PC fluorescence spectrometer under a laser excitation of 360 nm. In order to observe the microstructures of the samples, a small amount of a given sample was dispersed in ethanol to generate a

• microstructures of cellulose-derived Bi2WO6/TiO2-NT nanocomposites. As exhibited in the FE-SEM images (the first two columns in Figure 3), all Bi2WO6/TiO2-NT nanocomposites are assembled by composite microtubes, which are composed of cross-linked nanotubes, revealing the hierarchical network structures replicated

A nonenzymatic reduced graphene oxide-based nanosensor for parathion

• Sarani Sen,
• Anurag Roy,
• Ambarish Sanyal and
• Parukuttyamma Sujatha Devi

Beilstein J. Nanotechnol. 2022, 13, 730–744, doi:10.3762/bjnano.13.65

• microstructures of ERGO, which makes the graphene sheets more accessible to the electrolyte. It also facilitates electron transfer and diffusion of ions during the electrochemical process [28][34]. Electrochemical behavior of parathion at modified nanosensors Figure 5A depicts the CVs (first cycle) of bare GCE

Nanoarchitectonics of the cathode to improve the reversibility of Li–O₂ batteries

• Hien Thi Thu Pham,
• Jonghyeok Yun,
• So Yeun Kim,
• Sang A Han,
• Jung Ho Kim,
• Jong-Won Lee and
• Min-Sik Park

Beilstein J. Nanotechnol. 2022, 13, 689–698, doi:10.3762/bjnano.13.61

• their morphologies and microstructures without significant structural deterioration (Supporting Information File 1, Figure S6). This could be attributed to the relatively low overpotential of the Zn4Co1–C/CNT cathode during cycling, which facilitates the reversible formation and decomposition of Li2O2

• microstructures of the materials. Powder XRD (PANalytical, Empyrean) and Raman spectroscopy (inVia Raman microscopes, Ar ion laser, 514 nm) were employed to analyze the structures. Their surface chemistry was investigated by XPS (Thermo Scientific, Sigma Probe), while their surface area and porosity were

Sodium doping in brookite TiO₂ enhances its photocatalytic activity

• Boxiang Zhuang,
• Honglong Shi,
• Honglei Zhang and
• Zeqian Zhang

Beilstein J. Nanotechnol. 2022, 13, 599–609, doi:10.3762/bjnano.13.52

• structure and produce microstructures such as the core–shell structure, local lattice distortion, interstitial atoms, and atomic vacancies, which are critical to its excellent photocatalytic activity. Keywords: brookite titanium dioxide; core–shell structure; photocatalytic activity; sodium doping; twins

• , the Na doping in the Ti site will destroy the local atomic arrangement of the brookite phase and produce some microstructures. Figure 6a displays a typical high-resolution transmission electron microscopy (HRTEM) image of the sample calcinated at 400 °C, oriented at the [121]Brookite zone axis. The

• confined within the range of 1–3 nm; here, we call it the nanodomain. One nanodomain can develop into the neighboring domain by lattice distortion (Supporting Information File 1, Figure S4a1), interstitial atom, and atomic vacancy (Supporting Information File 1, Figure S4a2). However, these microstructures