Reducing molecular simulation time for AFM images based on super-resolution methods

• Zhipeng Dou,
• Jianqiang Qian,
• Yingzi Li,
• Rui Lin,
• Jianhai Wang,
• Peng Cheng and
• Zeyu Xu

Beilstein J. Nanotechnol. 2021, 12, 775–785, doi:10.3762/bjnano.12.61

• changed to a hemisphere and a single atom. The tip is typically scanned parallel to the surface at a fixed distance to the molecule being investigated. The raster scanning method is also applied for the quasi-static mode with a size of 101 × 101. Bayesian compressed sensing For linear systems, the signal

Nickel nanoparticle-decorated reduced graphene oxide/WO₃ nanocomposite – a promising candidate for gas sensing

• Ilka Simon,
• Alexandr Savitsky,
• Rolf Mülhaupt,
• Vladimir Pankov and
• Christoph Janiak

Beilstein J. Nanotechnol. 2021, 12, 343–353, doi:10.3762/bjnano.12.28

• CO/N2 mixture was received from Joint Stock Company "Kryon”. Liquid acetone was classified as “chemically pure” (purissimum). The NO2 gas was obtained by dissolving Cu in nitric acid (“chemically pure” grade). The CO/air mixture was measured in flow mode. NO2 and acetone were measured in a static

• mode. Here, a given amount of gas was introduced into a sealed chamber with a volume of 120 cm3. Electrical resistance of samples WO3, rGO/WO3, 0.35 wt % Ni@rGO/WO3 in the range of 20–240 °С was measured by the two-probe method in a corundum cell using an Agilent 34401 digital multimeter. The cell was

Scanning transmission imaging in the helium ion microscope using a microchannel plate with a delay line detector

• Eduardo Serralta,
• Nico Klingner,
• Olivier De Castro,
• Michael Mousley,
• Santhana Eswara,
• Serge Duarte Pinto,
• Tom Wirtz and
• Gregor Hlawacek

Beilstein J. Nanotechnol. 2020, 11, 1854–1864, doi:10.3762/bjnano.11.167

•  3b, we show simulations of the exit angular distribution of 30 keV He for the different stacks of materials that are present in the sample, using TRIDYN [39] in static mode. The graph presented in Figure 3b shows the corresponding transmission angular distribution for the region used in Figure 3a

Design of V-shaped cantilevers for enhanced multifrequency AFM measurements

• Mehrnoosh Damircheli and
• Babak Eslami

Beilstein J. Nanotechnol. 2020, 11, 1525–1541, doi:10.3762/bjnano.11.135

• rectangular cantilevers. There are two major applications of AFM that currently use V-shaped cantilevers. First, in static-mode AFM, that is, contact-mode AFM, V-shaped cantilevers are used in the modification of surfaces and the movement of nanoparticles to manufacture nanostructures [14][15]. In order to

Nonclassical dynamic modeling of nano/microparticles during nanomanipulation processes

• Moharam Habibnejad Korayem,
• Ali Asghar Farid and
• Rouzbeh Nouhi Hefzabad

Beilstein J. Nanotechnol. 2020, 11, 147–166, doi:10.3762/bjnano.11.13

• comparison with the tip force duration until the critical time is reached indicates that the static mode is dominant. Sensitivity of deflections to the change in aspect ratio To study the effect of aspect ratio on deflection, by keeping the length fixed and changing the particle radius, the results are

Nanoscale spatial mapping of mechanical properties through dynamic atomic force microscopy

• Zahra Abooalizadeh,
• Leszek Josef Sudak and
• Philip Egberts

Beilstein J. Nanotechnol. 2019, 10, 1332–1347, doi:10.3762/bjnano.10.132

• samples. Moreover, in comparison to static mode AFM or other experimental techniques used to measure the mechanical properties of materials, such as nanoindentation, the material property maps resulting from FMM and CR modes can have high spatial resolution and can be acquired at relatively high speeds

Effective sensor properties and sensitivity considerations of a dynamic co-resonantly coupled cantilever sensor

• Julia Körner

Beilstein J. Nanotechnol. 2018, 9, 2546–2560, doi:10.3762/bjnano.9.237

• )materials by scanning probe methods or magnetometry [5][6][7]. In contrast to static-mode operation, where the static bending of cantilever sensors is used as a measurement signal, the dynamic mode is based on exciting the beam to vibrations and monitoring its amplitude, resonance frequency and phase shift

Lyapunov estimation for high-speed demodulation in multifrequency atomic force microscopy

• David M. Harcombe,
• Michael G. Ruppert,
• Michael R. P. Ragazzon and
• Andrew J. Fleming

Beilstein J. Nanotechnol. 2018, 9, 490–498, doi:10.3762/bjnano.9.47

• the lateral scan trajectories of the nanopositioner. In static-mode AFM (contact mode), the control loop attempts to maintain a constant contact force [3]. Where as in dynamic modes, for example intermittent-contact constant-amplitude AFM [4], the control loop acts to maintain a constant cantilever

Strategy to discover full-length amyloid-beta peptide ligands using high-efficiency microarray technology

• Clelia Galati,
• Natalia Spinella,
• Lucio Renna,
• Danilo Milardi,
• Francesco Attanasio,
• Michele Francesco Maria Sciacca and
• Corrado Bongiorno

Beilstein J. Nanotechnol. 2017, 8, 2446–2453, doi:10.3762/bjnano.8.243

• evaluated by contact angle measurements. Analysis was conducted on the dried slide immediately after the silanization process using a CAM KSV instrument operating in static mode and located in a class-1000 clean room. Drops of Millipore water were dispensed with a volume of 1 μL on at least five

High-stress study of bioinspired multifunctional PEDOT:PSS/nanoclay nanocomposites using AFM, SEM and numerical simulation

• Alfredo J. Diaz,
• Hanaul Noh,
• Tobias Meier and
• Santiago D. Solares

Beilstein J. Nanotechnol. 2017, 8, 2069–2082, doi:10.3762/bjnano.8.207

• [34], a conductive nanoscale probe is scanned in continuous contact (static mode) with the sample while obtaining the topography. The local current is mapped by applying a bias voltage. The electrical properties of the nanocomposites were investigated using C-AFM and compared to the bare polymer. In C

Size-dependent characteristics of electrostatically actuated fluid-conveying carbon nanotubes based on modified couple stress theory

• Mir Masoud Seyyed Fakhrabadi,
• Abbas Rastgoo and
• Mohammad Taghi Ahmadian

Beilstein J. Nanotechnol. 2013, 4, 771–780, doi:10.3762/bjnano.4.88

• as well as in the static mode. Figure 6c presents the effects of fluid viscosity on the dynamic pull-in voltages of the doubly clamped CNT. The dynamic pull-in voltages of the CNTs with doubly clamped boundary conditions first raise with a sharp slope. After a treshold value, the slope is reduced

Simultaneous current, force and dissipation measurements on the Si(111) 7×7 surface with an optimized qPlus AFM/STM technique

• Zsolt Majzik,
• Martin Setvín,
• Andreas Bettac,
• Albrecht Feltz,
• Vladimír Cháb and
• Pavel Jelínek

Beilstein J. Nanotechnol. 2012, 3, 249–259, doi:10.3762/bjnano.3.28

• between the tip and the sample. Atomic-scale imaging was achieved later on for both conductors and insulators [3] by means of the so-called static mode. The main drawback of static-mode AFM is the presence of a strong tip–sample interaction, which makes scanning destructive for both the tip and sample

Sensing surface PEGylation with microcantilevers

• Natalija Backmann,
• Natascha Kappeler,
• Thomas Braun,
• François Huber,
• Hans-Peter Lang,
• Christoph Gerber and
• Roderick Y. H. Lim

Beilstein J. Nanotechnol. 2010, 1, 3–13, doi:10.3762/bjnano.1.2

• reversible collapse when switching between good and poor solvent conditions, respectively. Keywords: AFM; cantilever sensor; polyethylene glycol; polymer brush; reversible collapse; static mode; Introduction Polyethylene glycol (PEG) is often used as a protein-resistant surface layer in biomedicine and

• , time resolved manner [13][14]. By an asymmetrical chemisorption of molecules (i.e., on one side of the microcantilever), the sensors can detect processes in “static” mode by measuring the bending of a microcantilever due to stress formation during the adsorption process; or in “dynamic” mode where the

• microorganisms [22][23]. The mechanical sensitivity of the static mode technique stems from changes in surface stress caused by molecular interactions with the surface (change in the electronic charge distribution of the substrate’s surface atoms) [24] and by lateral interactions within the molecular layer