Fractional shot noise of an SU(N) Kondo system

• Damian Krychowski and
• Stanisław Lipiński

Beilstein J. Nanotechnol. 2026, 17, 515–540, doi:10.3762/bjnano.17.34

• temperature evolution of Kondo peaks provide this information [57]. Although some information about correlations is hidden in the renormalization of transmission, a deeper insight into the correlations of electronic wave functions can be obtained from the shot noise; therefore, we especially focus in this

Probing internal continua and atomic ultrafast charge transfer within size-controlled nanoparticles by post-collision interaction in core-hole clock spectroscopy

• Johannes Lütgert,
• Erika Giangrisostomi,
• Nomi L. A. N. Sorgenfrei and
• Alexander Föhlisch

Beilstein J. Nanotechnol. 2026, 17, 505–514, doi:10.3762/bjnano.17.33

• different photon energies strongly suggests that the observed variations are indeed the result of a size-dependent process. To gain further insight into the PCI effect, we modeled the observed evolution of the asymmetry parameter as a function of the particle size. As previously discussed, the strength of

• the dielectric constant εr are displayed in Figure 4 (bottom panel), exhibiting a trend matching the evolution of the relative asymmetry parameters. As expected, increasing shell thickness enhances electron density, leading to a higher dielectric constant and improved screening ability. These findings

• and, thus, does not allow for energy redistribution within itself. In fact, examining the evolution of the charge transfer times and of the asymmetry parameter across photon energies above the proposed CBM (light gray area in Figure 5), except within the dark gray area, both follow expectations

Defects and defect-mediated engineering of two-dimensional materials: challenges and open questions

• Arkady V. Krasheninnikov,
• Matthias Batzill,
• Anouar-Akacha Delenda,
• Marija Drndić,
• Chris Ewels,
• Katharina J. Franke,
• Mahdi Ghorbani-Asl,
• Alexander Holleitner,
• Ado Jorio,
• Ute Kaiser,
• Daria Kieczka,
• Hannu-Pekka Komsa,
• Jani Kotakoski,
• Manuel Längle,
• David Lamprecht,
• Yun Liu,
• Steven G. Louie,
• Janina Maultzsch,
• Thomas Michely,
• Katherine Milton,
• Anna Niggas,
• Hanako Okuno,
• Joshua A. Robinson,
• Marika Schleberger,
• Bruno Schuler,
• Alexander Shluger,
• Kazu Suenaga,
• Kristian S. Thygesen,
• Richard A. Wilhelm,
• E. Harriet Åhlgren and
• Carla Bittencourt

Beilstein J. Nanotechnol. 2026, 17, 454–488, doi:10.3762/bjnano.17.31

• evolution in real time. However, it was realized long ago [32][33] that energetic electrons in the TEM interacting with the specimen can give rise to the formation of defects or even to the complete destruction of the sample, an undesirable effect, which stimulated the research on beam–sample interactions

• can these limitations be addressed? X-ray photoelectron spectroscopy (XPS) is a powerful tool for identifying and quantifying defects in 2D materials, offering unique advantages in surface sensitivity, chemical state analysis, and real-time monitoring of defect evolution. While challenges such as

• surface contamination, depth sensitivity, energy resolution, and data complexity exist, they can be addressed through careful sample preparation, the use of complementary techniques, and the integration of theoretical modelling for data analysis. The ability of XPS to study defect evolution under specific

Ferroelectric nanodot reservoir for neuromorphic computing

• Anna Razumnaya,
• Yuri Tikhonov,
• Dmitrii Naidenko,
• Léo Boron,
• Valerii Vinokur and
• Igor Lukyanchuk

Beilstein J. Nanotechnol. 2026, 17, 352–364, doi:10.3762/bjnano.17.24

• evolution of polarization states with low energy consumption and fast switching speeds, leveraging the intrinsic properties of ferroelectrics. Furthermore, while previous considerations of neuromorphic ferroelectric nanodot-based setups [38][39] demonstrated static logic functions in topologically

• structured ferroelectric domain networks, the present system shifts toward dynamic, time-dependent processing, essential for tasks such as time-series prediction, temporal pattern recognition, and classification. The reservoir’s ability to encode temporal correlations through physical polarization evolution

• dot with the lowest switching threshold among the eligible ones undergoes a polarization reversal, thereby updating the system state. This discrete event simulation captures the nonlinear hysteretic evolution of the entire reservoir. Importantly, because of the broad distribution of Ec and the

Beam shaping techniques for pulsed laser ablation in liquids: Unlocking tunable control of nanoparticle synthesis in liquids

• Sergio Molina-Prados,
• Nadezhda M. Bulgakova,
• Alexander V. Bulgakov,
• Jesus Lancis,
• Gladys Mínguez Vega and
• Carlos Doñate-Buendia

Beilstein J. Nanotechnol. 2026, 17, 309–342, doi:10.3762/bjnano.17.22

• approximated by the Bessel function J0 [145]. The anatomy of the quasi-Bessel beam propagation in space is shown in Figure 8 with a detailed view of its spatiotemporal shape including the evolution of the cross-sectional structure [146]. Two laser beams, one continuous wave (CW) and a femtosecond pulsed laser

• distribution. Figure 11 shows simulated intensity distributions of a Gaussian and DS beam with the same pulse energy [154]. When a DS pulse is focused inside a liquid at a fluence above the liquid breakdown, a ring CB is generated, followed by a series of transient phenomena [155]. The evolution of the DS

• bubble, it induces a tertiary bubble cloud that vanishes within approx. 100 ns. Finally, the central bubble collapses after 1–2 µs, and the annular bubble fragments into cylindrical bubbles within approx. 100 µs. This evolution differs from Gaussian pulses in liquids, where a single bubble exhibits large

Micro- and nanoscale effects in biological and bioinspired materials and surfaces

• Thies H. Büscher,
• Rhainer Guillermo Ferreira,
• Manuela Rebora and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2026, 17, 214–217, doi:10.3762/bjnano.17.14

• varying environmental parameters. For terrestrial animals, adhesive systems usually provide temporary adhesion and do not make use of cements. A study on the evolution of subdigital microstructures in Cyrtodactylus geckos by Ginal et al. [16] addressed how adhesive microstructures (setae) have

Safe and sustainable by design with ML/AI: A transformative approach to advancing nanotechnology

• Georgia Melagraki

Beilstein J. Nanotechnol. 2026, 17, 176–185, doi:10.3762/bjnano.17.11

• materials before producing them. This perspective article highlights how ML and AI are driving the evolution of SSbD in nanotechnology, focussing on predictive toxicology, materials informatics, lifecycle analysis, and the pivotal role of digital twins. It also explores current challenges, emerging

From shield to spear: Charge-reversible nanocarriers in overcoming cancer therapy barriers

• Madhuri Yeduvaka,
• Pooja Mittal,
• Ameer Boyalakuntla,
• Usman Bee Shaik,
• Himanshu Sharma,
• Thakur Gurjeet Singh,
• Siva Nageswara Rao Gajula and
• Lakshmi Vineela Nalla

Beilstein J. Nanotechnol. 2026, 17, 159–175, doi:10.3762/bjnano.17.10

• therapy, targeted therapy, and immunotherapy modalities that enable more precise and personalized cancer management [7]. In parallel, complementary strategies such as photodynamic therapy and hyperthermia further enhance treatment effectiveness, collectively reflecting the ongoing evolution of cancer

Influence of surface characteristics on the in vitro stability and cell uptake of nanoliposomes for brain delivery

• Dushko Shalabalija,
• Ljubica Mihailova,
• Nikola Geskovski,
• Andreas Zimmer,
• Otmar Geiss,
• Sabrina Gioria,
• Diletta Scaccabarozzi and
• Marija Glavas Dodov

Beilstein J. Nanotechnol. 2026, 17, 139–158, doi:10.3762/bjnano.17.9

• evolution of physicochemical characteristics and surface properties of NLs in biorelevant media. Additionally, in order to point out the influence of specific characteristics on the brain targeting potential of these formulations, we investigated interactions between NLs and blood–brain barrier (BBB, hCMEC

• the internalization pathway and intracellular trafficking [17]. In contrast, this study focuses on the evolution of physicochemical and surface properties of NLs in biorelevant media depending on the different amount of PEG onto NLs surface, thus correlating these findings with the cell

Functional surface engineering for cultural heritage protection: the role of superhydrophobic and superoleophobic coatings – a comprehensive review

• Giuseppe Cesare Lama,
• Marino Lavorgna,
• Letizia Verdolotti,
• Federica Recupido,
• Giovanna Giuliana Buonocore and
• Bharat Bhushan

Beilstein J. Nanotechnol. 2026, 17, 63–96, doi:10.3762/bjnano.17.6

• early evolution of the techniques to protect metal-based sculptures are represented by, again, natural-derived materials like waxes (beeswax among all) and mixtures of wax and resins [19]. However, when wooden sculptures or paintings were considered, linseed oil was applied to prevent cracking and

Microscopic study of the intermediate mixed state in intertype superconductors

• Vyacheslav D. Neverov,
• Alexander V. Kalashnikov,
• Andrey V. Krasavin and
• Alexei Vagov

Beilstein J. Nanotechnol. 2026, 17, 57–62, doi:10.3762/bjnano.17.5

• range 0 < T < Tc and investigate the evolution of few-vortex states as the system changes between type-I and type-II regimes. Our results show that the key qualitative features of the IT superconductivity persist throughout this range; however, the IT domain gradually narrows as the temperature

• study of three-vortex configurations presented here. Conclusion This work presents a fully microscopic analysis of the intermediate mixed state in IT superconductors between the type-I and type-II regimes. Using self-consistent Bogoliubov–de Gennes simulations, we traced the evolution of vortex

Subdigital integumentary microstructure in Cyrtodactylus (Squamata: Gekkota): do those lineages with incipiently expressed toepads exclusively exhibit adhesive setae?

• Philipp Ginal,
• Yannick Ecker,
• Timothy Higham,
• L. Lee Grismer,
• Benjamin Wipfler,
• Dennis Rödder,
• Anthony Russell and
• Jendrian Riedel

Beilstein J. Nanotechnol. 2026, 17, 38–56, doi:10.3762/bjnano.17.4

• Philipp Ginal Yannick Ecker Timothy Higham L. Lee Grismer Benjamin Wipfler Dennis Rodder Anthony Russell Jendrian Riedel Leibniz Institute for the Analysis of Biodiversity Change – Museum Koenig Bonn, Bonn, Germany Department of Evolution, Ecology, and Organismal Biology, University of California

• , making it a promising candidate for studying toepad evolution. We investigated the subdigital microstructures of 27 Cyrtodactylus species occupying a wide range of habitats, and exhibiting a spectrum of subdigital morphology, from the presence of the ancestral condition of small, rounded scales to the

• hypothesis. Most transitions to incipient toepads occurred within this clade, consistent with hypothesis 1, and we reveal that the evolution of setae likely preceded that of broadened scales. Although microstructure types did not significantly correlate with ecotype, specific morphometric traits varied

Chiral plasmonic nanostructures fabricated with circularly polarized light

• Tian Qiao and
• Ming Lee Tang

Beilstein J. Nanotechnol. 2025, 16, 2245–2264, doi:10.3762/bjnano.16.154

• different cPNSs synthesized using this method. Section 3 will discuss universal metrics to characterize cPNSs. Furthermore, Section 4 will examine the roles of cPNSs in various applications. Finally, we will share insights into future directions for cPNSs fabricated using CPL. Review 1 Evolution of chiral

• growth of Ag was observed under CPL without CTAB passivation. The structural evolution of the chiral AgNRs is shown in the top two rows of Figure 4e. The nanostructures obtained with CPL of opposite handedness are clear enantiomorphs of each other at each stage. Intense CD signals were collected from

Missing links in nanomaterials research impacting productivity and perceptions

• Santosh K. Tiwari and
• Nannan Wang

Beilstein J. Nanotechnol. 2025, 16, 2168–2176, doi:10.3762/bjnano.16.149

• of the most important achievements in the history of science. The influence of nanomaterials research goes beyond academic curiosity. It has triggered the evolution of microscopic and analytical techniques to visualize matter at unprecedented spatial and temporal resolution, to the point where we can

Molecular and mechanical insights into gecko seta adhesion: multiscale simulations combining molecular dynamics and the finite element method

• Yash Jain,
• Saeed Norouzi,
• Tobias Materzok,
• Stanislav N. Gorb and
• Florian Müller-Plathe

Beilstein J. Nanotechnol. 2025, 16, 2055–2076, doi:10.3762/bjnano.16.141

Laser ablation in liquids for shape-tailored synthesis of nanomaterials: status and challenges

• Natalie Tarasenka

Beilstein J. Nanotechnol. 2025, 16, 1963–1997, doi:10.3762/bjnano.16.137

• shown below. However, obtaining the information on spatial and temporal evolution of transient laser-induced plasma represents a challenge due to the short plasma lifetime. 1.1 Plasma formation and propagation In a widely accepted mechanism of PLAL, the formation of NPs occurs via two major processes

• generation of shockwaves and formation of cavitation bubbles, which typically have a lifetime of several microseconds. During its evolution, the cavitation bubble expands to reach the equilibrium with the confining liquid, after which the shrinking stage begins, which involves the ablated material moving

• influencing the mechanisms of NP formation and growth at the subsequent stages of laser ablation, including the generation of shockwaves, cavitation bubble dynamics, and NP evolution after the release into the colloidal solution. The excessive charge at their surface ensures repulsion and stability of the NP

Mechanical property measurements enabled by short-term Fourier-transform of atomic force microscopy thermal deflection analysis

• Thomas Mathias,
• Roland Bennewitz and
• Philip Egberts

Beilstein J. Nanotechnol. 2025, 16, 1952–1962, doi:10.3762/bjnano.16.136

• AFM experiments on well-characterized surfaces, such as highly ordered pyrolytic graphite (HOPG), using silicon cantilevers with integrated probes. To examine the time evolution of the AFM cantilever’s oscillatory modes during an experiment, STFTs, rather than wavelet transforms, of the thermal motion

• calculated Fourier transform, was carefully chosen to ensure that β in Equation 2 was much larger than 1 [22]: Fitting of the first resonant peak of the cantilever in contact with the surface during the force-versus-distance measurement thus provides the evolution of the f1, Q1, and D1 values as functions of

Evaluating metal-organic precursors for focused ion beam-induced deposition through solid-layer decomposition analysis

• Benedykt R. Jany,
• Katarzyna Madajska,
• Aleksandra Butrymowicz-Kubiak,
• Franciszek Krok and
• Iwona B. Szymańska

Beilstein J. Nanotechnol. 2025, 16, 1942–1951, doi:10.3762/bjnano.16.135

• spectra before (black) and after sublimation on a silicon wafer (blue) for the compounds 1–4 (p = 10−2 mbar). (a) SEM BSE morphology evolution studies of precursor 4 layer decomposition during gallium FIB irradiation experiments. (b) SEM BSE intensity (proportional to the atomic number Z) changes of the

Programmable soliton dynamics in all-Josephson-junction logic cells and networks

• Vsevolod I. Ruzhickiy,
• Anastasia A. Maksimovskaya,
• Sergey V. Bakurskiy,
• Andrey E. Schegolev,
• Maxim V. Tereshonok,
• Mikhail Yu. Kupriyanov,
• Nikolay V. Klenov and
• Igor I. Soloviev

Beilstein J. Nanotechnol. 2025, 16, 1883–1893, doi:10.3762/bjnano.16.131

• soliton passage. The Josephson phase is plotted against the integer node index k, whereas the current is plotted at the midpoint index k + 0.5 to represent the junction between nodes k and k + 1, see Figure 1a. Temporal evolution of Josephson phase asymmetry in a soliton diode: (a) initial state; (b

Further insights into the thermodynamics of linear carbon chains for temperatures ranging from 13 to 300 K

• Alexandre Rocha Paschoal,
• Thiago Alves de Moura,
• Juan S. Rodríguez-Hernández,
• Carlos William de Araujo Paschoal,
• Yoong Ahm Kim,
• Morinobu Endo and
• Paulo T. Araujo

Beilstein J. Nanotechnol. 2025, 16, 1818–1825, doi:10.3762/bjnano.16.125

• . Our analysis follows the same protocols described in reference [30]: the temperature evolution of the longitudinal optical phonon (so-called C-band), which is Raman active with frequencies (ωLCC) around 1850 cm−1, is thoroughly tracked and ωLCC is used to indirectly access important thermodynamic

• Raman spectra as well as the independent evolution as a function of temperature of the Raman bands from CNT and LCC (see Figure 1 and Figure S1 in Supporting Information File 1) suggest that the interaction between distinct LCC, and LCC and CNT are not strong enough to affect their electronic and phonon

• temperature, ωLCC is dependent on the chain length (i.e., N-dependent) as well (see Figure 3b). This is an expected behavior since the size of the chain affects the bond length alternation (BLA) strength of the polyynes. Figure 2a shows the evolution of ωLCC with T, and again, it is noteworthy that no matter

Advances of aptamers in esophageal cancer diagnosis, treatment and drug delivery

• Yang Fei,
• Hui Xu,
• Chunwei Zhang,
• Jingjing Wang and
• Yong Jin

Beilstein J. Nanotechnol. 2025, 16, 1734–1750, doi:10.3762/bjnano.16.121

• obstacles to their safe application. Hence, ongoing research explores strategies to optimize the solubility and targeting ability of anti-EC drugs, and aptamers [25] represent a distinct class of molecular tools. Aptamers are small nucleotide or peptide sequences screened by “systematic evolution of ligands

• evolution of ligands by SELEX; (3) validate binding affinity and functional modulation in vitro and in vivo models; and (4) elucidate the underlying molecular mechanisms (Figure 4). At present, significant progress has been made in peptide aptamers targeting SOX2 protein or its binding partner, aptamers

Ambient pressure XPS at MAX IV

• Mattia Scardamaglia,
• Ulrike Küst,
• Alexander Klyushin,
• Rosemary Jones,
• Jan Knudsen,
• Robert Temperton,
• Andrey Shavorskiy and
• Esko Kokkonen

Beilstein J. Nanotechnol. 2025, 16, 1677–1694, doi:10.3762/bjnano.16.118

• surface composition and the catalyst selectivity by observing the gas phase (with a slightly retracted sample). The time evolution of NO and N2 taken from curve fits of the N 1s gas phase spectra (Figure 7D) is shown in (Figure 7F) while the evolution of the dominant surface adsorbate taken from curve

• application is photocatalytic water splitting for green hydrogen production. Urpelainen and colleagues clarified the mechanisms of photocatalytic hydrogen evolution reaction (HER) in a new prospective model system, the Ni@NiO/NiCO3 photocatalyst, under dark and illuminated conditions at 1 mbar of H2O [45

• -and-pull” systems. While flow cells are ideal for large currents and gas evolution, dip-and-pull cells, whilst more compromised from an electrochemical cell perspective, are more flexible and compatible with well-defined materials such as single crystals or layered structures [64]. Here, we outline

Bioinspired polypropylene-based functionally graded materials and metamaterials modeling the mistletoe–host interface

• Lina M. Rojas González,
• Naeim Ghavidelnia,
• Christoph Eberl and
• Max D. Mylo

Beilstein J. Nanotechnol. 2025, 16, 1592–1606, doi:10.3762/bjnano.16.113

• [23], with its diverse plant and animal systems having developed over millions of years during the course of evolution. As such, the kingdom Plantae offers a wide range of functional principles that can be used as a source of bioinspiration to increase longevity and damage control potential [1][4

Few-photon microwave fields for superconducting transmon-based qudit control

• Irina A. Solovykh,
• Andrey V. Pashchenko,
• Natalya A. Maleeva,
• Nikolay V. Klenov,
• Olga V. Tikhonova and
• Igor I. Soloviev

Beilstein J. Nanotechnol. 2025, 16, 1580–1591, doi:10.3762/bjnano.16.112

• transmon (a slightly nonlinear oscillator) is quite close to the equidistant one; however, a number of widely used theoretical models describing its evolution in an external electromagnetic field (the Jaynes–Cummings model) do not take into account the high-lying energy levels of the artificial atom, nor

• photons, k0) enters the resonator [37][38][39][40][41][42] with variable frequency detuning Δω between the resonator and the artificial atom. The time evolution of the quantum state of the transmon qudit, the populations of its eigenstates, and the number n of excitations induced in the superconducting

• , taking into account the nonlinearity [6]: where -EC/12 is the nonlinearity parameter and is the plasma frequency of the transmon. The first term in the Hamiltonian describes a free linear evolution of the photon operators, characterized by their oscillations in time in the Heisenberg representation. The

Transient electronics for sustainability: Emerging technologies and future directions

• Jae-Young Bae,
• Myung-Kyun Choi and
• Seung-Kyun Kang

Beilstein J. Nanotechnol. 2025, 16, 1545–1556, doi:10.3762/bjnano.16.109

• and actively regulating aqueous environments, further expanding the functional scope of bioresorbable electronics. Looking ahead, the evolution of protective barriers toward intelligent interfaces that can sense, control, or even manipulate aqueous environments may further extend the applicability of