Measurement of polarization effects in dual-phase ceria-based oxygen permeation membranes using Kelvin probe force microscopy

• Kerstin Neuhaus,
• Christina Schmidt,
• Liudmila Fischer,
• Wilhelm Albert Meulenberg,
• Ke Ran,
• Joachim Mayer and
• Stefan Baumann

Beilstein J. Nanotechnol. 2021, 12, 1380–1391, doi:10.3762/bjnano.12.102

• and cleaning were performed with an Ar ion beam in a Fischione Nanomill 1040 at 900 eV and 500 eV beam energy, respectively. TEM and energy-filtered TEM (EFTEM) imaging were performed with a FEI Tecnai F20 at 200 kV. High-resolution HAADF imaging and energy-dispersive X-ray (EDX) chemical mapping were

• , Figure 2b displays the EDX chemical mapping results with atomic resolution, indicating no chemical disorders except the slight enrichment of Sm at the edge of the CSO grain. Tilting FC2O along its [101] direction, Figure 2c shows another CSO-FC2O interface, where rock salt structures within several

• representing CSO, green: Co and thus representing FC2O). The arrow in (b) indicates a SmFeO3 grain. Interfaces between CSO and FC2O. (a) HAADF image of a CSO-FC2O interface, with CSO oriented along the [001] direction and FC2O randomly oriented. (b) EDX chemical mapping from the square-defined-region in (a

Bulk chemical composition contrast from attractive forces in AFM force spectroscopy

• Dorothee Silbernagl,
• Media Ghasem Zadeh Khorasani,
• Natalia Cano Murillo,
• Anna Maria Elert and
• Heinz Sturm

Beilstein J. Nanotechnol. 2021, 12, 58–71, doi:10.3762/bjnano.12.5

• component, allowing for a manual principle component analysis. Retransferring the results of the mPCA into the spatial domain allows for a chemical mapping of the sample that is independent from the parameters describing the mechanical behavior. This was shown for two different force spectroscopy methods

Free and partially encapsulated manganese ferrite nanoparticles in multiwall carbon nanotubes

• Saja Al-Khabouri,
• Salim Al-Harthi,
• Toru Maekawa,
• Mohamed E. Elzain,
• Ashraf Al-Hinai,
• Ahmed D. Al-Rawas,
• Abbsher M. Gismelseed,
• Ali A. Yousif and
• Myo Tay Zar Myint

Beilstein J. Nanotechnol. 2020, 11, 1891–1904, doi:10.3762/bjnano.11.170

• nanoparticles are characterized by the superparamagnetic behavior. Partially encapsulated manganese ferrite nanoparticles inside multiwall carbon nanotubes The formation of MnFe2O4 nanoparticles inside the inner cavity of MWCNTs and outside of MWCNTs is confirmed by chemical mapping using EDS–STEM (Figure 4

Helium ion microscope – secondary ion mass spectrometry for geological materials

• Matthew R. Ball,
• Richard J. M. Taylor,
• Joshua F. Einsle,
• Fouzia Khanom,
• Christelle Guillermier and
• Richard J. Harrison

Beilstein J. Nanotechnol. 2020, 11, 1504–1515, doi:10.3762/bjnano.11.133

• . This combined HIM–SIMS instrument has intriguing possibilities for geological materials as, unlike previous SIMS techniques limited by the probe size of the primary beam, the small beam size theoretically allows for chemical mapping at high sensitivity with the spatial resolution controlled only by

Magnetic properties of optimized cobalt nanospheres grown by focused electron beam induced deposition (FEBID) on cantilever tips

• Soraya Sangiao,
• César Magén,
• Darius Mofakhami,
• Grégoire de Loubens and
• José María De Teresa

Beilstein J. Nanotechnol. 2017, 8, 2106–2115, doi:10.3762/bjnano.8.210

• compositional properties of the cobalt nanospheres grown by FEBID have been confirmed by local chemical mapping of selected nanospheres of diameters 110 nm (see Figure 4b) and 90 nm (see Supporting Information File 1) performed by STEM-EELS. These quantitative maps reveal, first of all, that the deposits are

• cobalt particle is: where k is the cantilever spring constant, Bz the vertical component of the magnetic field from the cylinder, and z0 is the equilibrium position of the particle in the field gradient. STEM-EELS chemical mapping and quantification was carried out at an acceleration voltage of 300 kV in

Electrochemical coating of dental implants with anodic porous titania for enhanced osteointegration

• Amirreza Shayganpour,
• Alberto Rebaudi,
• Pierpaolo Cortella,
• Alberto Diaspro and
• Marco Salerno

Beilstein J. Nanotechnol. 2015, 6, 2183–2192, doi:10.3762/bjnano.6.224

• could be trapped within the flow of the other anions. An example of EDS chemical mapping is presented in Figure 7. It appears that all the elemental species of interest, namely Ti, P from the electrolyte phosphate and Mg additive, are evenly distributed over the surface (and the same is for O, not shown

Formation of pure Cu nanocrystals upon post-growth annealing of Cu–C material obtained from focused electron beam induced deposition: comparison of different methods

• Aleksandra Szkudlarek,
• Alfredo Rodrigues Vaz,
• Yucheng Zhang,
• Andrzej Rudkowski,
• Czesław Kapusta,
• Rolf Erni,
• Stanislav Moshkalev and
• Ivo Utke

Beilstein J. Nanotechnol. 2015, 6, 1508–1517, doi:10.3762/bjnano.6.156

• ) images were taken at 200 keV. Selected area diffraction (SAD) was taken using the second smallest selected area aperture corresponding to an area of 400 nm in diameter on the sample. Chemical mapping was obtained using electron energy loss spectroscopy (EELS) operated in the scanning TEM (STEM) mode. The

• resistance measurement. Supporting Information Supporting Information features additional information about the chemical mapping with electron energy loss spectroscopy, the estimation of Cu precipitation on deposit, and the distribution of Cu nanocrystals along the Cu–C lines after conventional and IR laser

Growth and characterization of CNT–TiO₂ heterostructures

• Yucheng Zhang,
• Ivo Utke,
• Johann Michler,
• Gabriele Ilari,
• Marta D. Rossell and
• Rolf Erni

Beilstein J. Nanotechnol. 2014, 5, 946–955, doi:10.3762/bjnano.5.108

• showing the N_K edge of gaseous N2. An atomic-resolution chemical mapping of Ba-doped SrTiO3 nanoparticles: (a) the HAADF-STEM image of a Ba-doped STO nanoparticle along the [011] direction; (b) the simultaneous chemical mappings measuring the Ti_L2,3, Sr_M4,5, and Ba_M4,5 edges, respectively, and the

Nano-FTIR chemical mapping of minerals in biological materials

• Sergiu Amarie,
• Paul Zaslansky,
• Yusuke Kajihara,
• Erika Griesshaber,
• Wolfgang W. Schmahl and
• Fritz Keilmann

Beilstein J. Nanotechnol. 2012, 3, 312–323, doi:10.3762/bjnano.3.35

• osteopathies. Keywords: biomineralization; chemical mapping; infrared spectroscopy; nanocrystals; optical near-field microscopy; Introduction Fourier-transform infrared spectroscopy (FTIR) [1] is a standard tool in chemical analysis. It can identify virtually any substance through the "fingerprint" of the

• ) bioaragonite crystals with flat surfaces at equal height, some (in the interlayer) as narrow as 100 nm. For chemical mapping we collected 300 nano-FTIR spectra along a 2.5 µm line marked in Figure 3a, across the interface region designated by a full white rectangle in Figure 2b (Figure 3, additional scans are