Lithium niobate on insulator: an emerging nanophotonic crystal for optimized light control

• Midhun Murali,
• Amit Banerjee and
• Tanmoy Basu

Beilstein J. Nanotechnol. 2024, 15, 1415–1426, doi:10.3762/bjnano.15.114

• of these materials further enhance the potential for applications such as frequency conversion and signal processing. However, successful implementation requires addressing fabrication challenges to ensure precise layer deposition and interface quality. Overall, combining lithium niobate and titanium

• functionalities. However, it introduces challenges in fabrication complexity, interface effects, and material compatibility [26][27]. Lithium niobate film on insulator (LNOI) is a promising photonic platform due to its large transparency window, strong second-order nonlinear optical properties, and ultralow-loss

• interface engineering are crucial for success [25][26][27]. The primary motivation for choosing lithium niobate is to utilize materials whose optical properties are sensitive to one or more externally controllable factors, such as electric or magnetic fields, enabling the manipulation of the structure

Nanotechnological approaches for efficient N2B delivery: from small-molecule drugs to biopharmaceuticals

• Selin Akpinar Adscheid,
• Akif E. Türeli,
• Nazende Günday-Türeli and
• Marc Schneider

Beilstein J. Nanotechnol. 2024, 15, 1400–1414, doi:10.3762/bjnano.15.113

• considered a challenge because of the existence of the blood–brain barrier (BBB, Figure 1), which is composed of several cell types [7]. The BBB is a dynamic and selective interface between the systemic circulation and the brain [8]. The structure of the healthy BBB relies on the endothelial cells and the

A biomimetic approach towards a universal slippery liquid infused surface coating

• Ryan A. Faase,
• Madeleine H. Hummel,
• AnneMarie V. Hasbrook,
• Andrew P. Carpenter and
• Joe E. Baio

Beilstein J. Nanotechnol. 2024, 15, 1376–1389, doi:10.3762/bjnano.15.111

• pitcher-like feature, where they are digested by the plant. Like the pitcher plant surfaces, SLIPS can repel adhesion through the formation of a liquid–liquid interface, unlike more standard surface passivation techniques that consist of a solid–liquid interface [16]. Within a SLIPS coating, a lubricant

• , which has the ability to probe vibrational modes at an interface, thereby, providing insight into the order and confirmation of molecules at an interface [26][27]. XPS is a surface-sensitive technique to determine the atomic composition of the outer ca. 10 nm of a surface [28]. As mentioned above, SLIPS

• in the bulk. A final mode was assigned to the CF3 asymmetric stretching at 1370 cm−1 [46]. Observed changes across the SFG spectra collected with different polarization combinations provide information about the orientation of molecular bonds at the interface [26][27]. Here, by collecting SFG spectra

Green synthesis of carbon dot structures from Rheum Ribes and Schottky diode fabrication

• Muhammed Taha Durmus and
• Ebru Bozkurt

Beilstein J. Nanotechnol. 2024, 15, 1369–1375, doi:10.3762/bjnano.15.110

• temperature (Figure 7). The interface between Au and CDs exhibited a nonlinear rectification behavior, indicating the formation of a Schottky diode [24]. The electrical properties of the Si/CDs/Au diode were determined using standard thermionic emission theory [25]. According to this theory, where n, IRs, V

• , it exhibits a non-ideal diode behavior with a high ideality factor. This study, in which CDs obtained from a completely natural product were used as an interface, showed that it may be possible to obtain CDs-based electronic devices for advanced technology in the future. Schematic representation of

Realizing active targeting in cancer nanomedicine with ultrasmall nanoparticles

• André F. Lima,
• Giselle Z. Justo and
• Alioscka A. Sousa

Beilstein J. Nanotechnol. 2024, 15, 1208–1226, doi:10.3762/bjnano.15.98

• interface between small molecules and conventional NPs, and so they provide a unique opportunity to leverage distinctive properties inherent to both domains [25][29][30]. On one hand, usNPs and their conjugates can behave as biomolecules in terms of biomolecular interactions and physiological behavior [31

• proteins (Figure 2A) [52][53][54][55][56][57][58]. This occurs because of the small size and high surface curvature of usNPs, which restrict the binding interface for proteins. As a result, protein spreading and denaturation on the usNP surface are minimized, and fewer non-covalent interactions form

• /koff, where kon and koff are the association and dissociation rate constants of the binding reaction, respectively, and tr is the residence time of the complex. The value of koff (or tr) is determined by short-range non-covalent interactions at the binding interface, reflecting the stability of the

Quantum-to-classical modeling of monolayer Ge₂Se₂ and its application in photovoltaic devices

• Anup Shrivastava,
• Shivani Saini,
• Dolly Kumari,
• Sanjai Singh and
• Jost Adam

Beilstein J. Nanotechnol. 2024, 15, 1153–1169, doi:10.3762/bjnano.15.94

• interface normal. The static refractive indices for monolayer Ge2Se2 in the direction parallel to the plane (XX) and normal to the plane (ZZ) are approximately 2.5 and 1.4, respectively, as shown in Figure 5. These refractive indices could enable the use of the investigated material as an inner layer

• recombination at the interface of HTL and absorber layer and better surface cleavage because of the thick HTL [55][56]. Figure 7a indicates that 1 nm of HTL yields superior performance in terms of PCE, Voc, Jsc, and FF with values of 28.148%, ≈1.11 V, 28.70 mA·cm−2, and ≈87.77% FF, respectively. Effect of ETL

• performance. This is due to the decrement in the lifetime of the charge carriers because of the shorter diffusion length, which results from the higher defect densities [62]. We can observed that the performance parameters decrease significantly above defect densities of 1015 cm−3. Effect of interface defects

Photocatalytic methane oxidation over a TiO₂/SiNWs p–n junction catalyst at room temperature

• Qui Thanh Hoai Ta,
• Luan Minh Nguyen,
• Ngoc Hoi Nguyen,
• Phan Khanh Thinh Nguyen and
• Dai Hai Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1132–1141, doi:10.3762/bjnano.15.92

• formed at the interface have emerged, which effectively force charge carriers to move in opposite directions and hinder recombination [31][32][33]. Very recently, Cu2O/BiVO4, Ag2O/Bi12O17Cl2 and CuFe2O4/Bi4Ti3O12 composite powders have shown improved efficiencies in water treatment based on p–n

Direct electron beam writing of silver using a β-diketonate precursor: first insights

• Katja Höflich,
• Krzysztof Maćkosz,
• Chinmai S. Jureddy,
• Aleksei Tsarapkin and
• Ivo Utke

Beilstein J. Nanotechnol. 2024, 15, 1117–1124, doi:10.3762/bjnano.15.90

• varying compositions of the deposit and internal inhomogeneities such as the formation of a layered structure consisting of a pure silver layer at the interface to the substrate covered by a deposit layer with low silver content. Imaging after the deposition process revealed morphological changes such as

• magnification were adapted to match the high-resolution SEM (HRSEM) image above. The deposit structure turned out to be extremely non-uniform with a continuous layer of elemental silver at the interface between deposit and silicon substrate (cf. Supporting Information File 1, Figure S4, for more details on the

• and deposition of the ligands at high fluxes was observed. Together with a high mobility of the silver in the shape-forming carbonaceous matrix and possible further reaction pathways, this leads to the formation of a pure silver layer at the interface to the substrate. Although such a rich chemical

Signal generation in dynamic interferometric displacement detection

• Knarik Khachatryan,
• Simon Anter,
• Michael Reichling and
• Alexander von Schmidsfeld

Beilstein J. Nanotechnol. 2024, 15, 1070–1076, doi:10.3762/bjnano.15.87

• a Michelson interferometer. Experiments reported here are performed with the dielectric/vacuum interface of the bare fiber end acting as the first mirror and a metal-coated silicon cantilever as the second mirror. We keep the fiber–cantilever distance d always large enough to work in the Michelson

• beams with almost identical power. The first part is directed to a power meter for control purposes, while the second part is guided to the interferometer in the UHV [11]. The fiber end in the interferometer is carefully cleaved to achieve high optical quality for the dielectric/vacuum interface having

Effect of wavelength and liquid on formation of Ag, Au, Ag/Au nanoparticles via picosecond laser ablation and SERS-based detection of DMMP

• Sree Satya Bharati Moram,
• Chandu Byram and
• Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1054–1069, doi:10.3762/bjnano.15.86

• decomposition of the metal surface. This results in an explosive ejection of vapor and liquid from the surface. The metal plume cannot freely expand in water and is slowed down, forming a hot metal layer at the water interface. The hot metal layer heats the water to a supercritical state, mixing metal atoms

Interface properties of nanostructured carbon-coated biological implants: an overview

• Mattia Bartoli,
• Francesca Cardano,
• Erik Piatti,
• Stefania Lettieri,
• Andrea Fin and
• Alberto Tagliaferro

Beilstein J. Nanotechnol. 2024, 15, 1041–1053, doi:10.3762/bjnano.15.85

• in Figure 1. Review Nanostructured carbon-containing materials at biological interfaces Interfaces between artificial and biological environments play a critical role for the design and long-term performance of any artificial implant [25][26]. The interface between an implant and the biological

• another (inter-layer transport) and is the source of the large anisotropy typically displayed between in-plane and out-of-plane carrier mobilities [42]. Carrier injection is usually determined by energy band alignment and interface transparency, and it is limited by the number of available conduction

• pathways and the existence of a tunnel barrier between graphene flakes [43]. Accordingly, the transparency of the interface between different flakes determines whether the inter-flake transport is diffusive or hopping-type regardless of the intrinsic mechanisms responsible for intra-flake transport in

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

• interface dielectric layer. The body channel, source and drain regions were homogeneously doped. The surrounding-gate architecture improves the sensitivity of the biosensor via the bulk conduction process and reduces short-channel effects. Additionally, it has been demonstrated that the SRG JL concept

• ]. This structure uses two surrounding nanogap cavities separated by HfO2 as a high-k dielectric material and SiO2 as an interface layer. It has been reported that this structure offers higher sensitivity compared to that of the dual-material JL MOSFET-biosensor proposed by Ahangari et al. [74] and the

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

• sockets that interface with individuals with limb differences. Enhancing comfort requires the socket to precisely match the stiffness and shape of the body. However, there are significant differences between individuals and even within an individual over the course of their life, which should be easily

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

• from bottom to top: Si substrate, layer of SiOx formed at the interface between the Si bulk material and the deposited Pt, deposited Pt, partially purified halo, and PtCx protection layer. SEM images of square patterns of 150 × 150 nm2 (patterned at 5 keV, 10 µs dwell time, 4 nm pitch, 1, 5, 10, 50

The effect of age on the attachment ability of stick insects (Phasmatodea)

• Marie Grote,
• Stanislav N. Gorb and
• Thies H. Büscher

Beilstein J. Nanotechnol. 2024, 15, 867–883, doi:10.3762/bjnano.15.72

• force measurements were conducted using a BIOPAC MP100 data acquisition system with a TCI-102 interface (BIOPAC Systems, Inc., USA) and a 100g force transducer (Fort100, World Precision Instruments, Sarasota, FL) using the setup described in Winand and coworkers [37]. We measured pull-off (perpendicular

• surface, leading to obstacles for contact formation at the interface between the pad and substrate [11]. Ridgel et al. [16] noticed dry and dark pads in aged cockroaches, but they could not explain why the pads changed appearance and properties. Zhou et al. [17] assumed sclerotized scars to negatively

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

• 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

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

• cost-effective technology. By harnessing impinging photons, the photocatalytic degradation of pollutants takes place at the interface between the photocatalyst surface and the MB-contaminated electrolyte. The photon energy is the driving force for breaking down the MB compound leading to its removal [9

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

• particle. A density functional theory structural aims to understand the atomic arrangement at the interface of the Janus particle. Keywords: bimetallic nanoparticles; inert gas condensation; Janus nanoparticles; silver–palladium nanoparticles; Introduction Janus-type nanoparticles are specific structures

• carried out by molecular dynamics and TEM simulations to investigate the atomic ordering and orientation of the crystal lattice, while a detailed description of the atomic arrangement at the interface between the two metals was obtained using density functional theory (DFT). Experimental In this work, the

• this model, we deposited a Pd slab on top of a Ag slab. The lattice mismatch between them is 4.6%. In this way, the Pd lattice parameter is adjusted to the Ag parameter. The calculated Ag–Pd (111) distance at the interface is 2.31 Å. Meanwhile, the interplanar distances after the interface layers shift

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

• Equation 8 is entirely a consequence of a non-negligible σs; if we set σs = 0, the time evolution cancels, and we recover the expected solution for a dielectric interface. When the tip oscillates or an AC voltage is applied, the oscillating electric field produces Joule dissipation at the surface as well

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

• directly coincides with the interface between the different materials. In contrast, the deeper trenches presented in Figure 3c,d cut through the SiO2 layer, and their bottom is located in the crystalline silicon substrate. The small bright regions near the bottom of the trenches correspond to the implanted

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

• low work function is placed in a high-k HfO2 layer in the source–channel region. The device is examined by the parameters Ioff, subthreshold swing, threshold voltage, and Ion/Ioff ratio. The introduction of a live metal strip in the dielectric layer closer to the source–channel interface results in a

• previously published model, the proposed design uses a low-k material in the drain region to reduce Cgd. A metal strip with low work function placed at the source–channel interface causes an abrupt change in electron concentration, increasing the tunneling rate [14][15][16][17][18]. Molybdenum, used here as

• drain. Molybdenum is implanted in the oxide layer (HfO2) near the source–channel interface and connected to gate to make it live. The work function of molybdenum is 4.53 eV. Table 1 lists the physical dimensions of the tool used for technology computer-aided design simulations. The suggested VTFET is

Functional fibrillar interfaces: Biological hair as inspiration across scales

• Guillermo J. Amador,
• Brett Klaassen van Oorschot,
• Caiying Liao,
• Jianing Wu and
• Da Wei

Beilstein J. Nanotechnol. 2024, 15, 664–677, doi:10.3762/bjnano.15.55

• to a specific fragrance [153]. Thermosensation Hair can also act as a temperature sensor, helping organisms to choose the right temperature environment to keep their body thermally stable. The receptors typically have a short hair that protrudes through a small hole to interface with the environment

Laser synthesis of nanoparticles in organic solvents – products, reactions, and perspectives

• Theo Fromme,
• Sven Reichenberger,
• Katharine M. Tibbetts and
• Stephan Barcikowski

Beilstein J. Nanotechnol. 2024, 15, 638–663, doi:10.3762/bjnano.15.54

AFM-IR investigation of thin PECVD SiO_x films on a polypropylene substrate in the surface-sensitive mode

• Hendrik Müller,
• Hartmut Stadler,
• Teresa de los Arcos,
• Adrian Keller and
• Guido Grundmeier

Beilstein J. Nanotechnol. 2024, 15, 603–611, doi:10.3762/bjnano.15.51

• intensity of this band increases again in the measurement of the 5 nm SiOx layer. The results seem to indicate that the band at 1455 cm−1 could be associated to bulk regions within the polypropylene, further away from the interface to the SiOx. To highlight the advantage of the surface-sensitive mode and to

On the additive artificial intelligence-based discovery of nanoparticle neurodegenerative disease drug delivery systems

• Shan He,
• Julen Segura Abarrategi,
• Harbil Bediaga,
• Sonia Arrasate and
• Humberto González-Díaz

Beilstein J. Nanotechnol. 2024, 15, 535–555, doi:10.3762/bjnano.15.47

• N2D3Ss for diagnosis and treatment [12][13][14][15]. Also, over the last few years, artificial intelligence/machine learning (AI/ML) models have been applied successfully to solve problems in different disciplines, especially in the interface of chemistry and ND research [16][17][18][19]. In this regard