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Beilstein J. Nanotechnol. 2025, 16, 520–529, doi:10.3762/bjnano.16.40
Figure 1: XRD pattern of the starting zeolite mineral (ZSA) and the materials obtained through traditional io...
Figure 2: SEM micrograph of ZSA from the San Andrés deposit. Some HEU crystals are indicated by a, b, and c, ...
Figure 3: Elemental composition determined by X-ray fluorescence of the materials obtained by IE and Imp.
Figure 4: TPR profiles for the mono- and bimetallic materials obtained by (a) Imp and (b) IE.
Figure 5: Main pathways of citral hydrogenation.
Figure 6: Citral hydrogenation results on the mono- and bimetallic catalyst materials obtained by IE and Imp.
Beilstein J. Nanotechnol. 2025, 16, 128–140, doi:10.3762/bjnano.16.12
Figure 1: (a) Small-angle powder patterns for the parent compound MOR-L and the samples after TEOT hydrolysis...
Figure 2: 27Al MAS NMR spectra of the studied samples. The relative integral intensity of the line at 0 ppm c...
Figure 3: SEM images of the parent lamellar mordenite MOR-L (bottom left) and TiO2-loaded samples. The bottom...
Figure 4: (a) Al 2p, (b) Ti 2p, and (c) decomposed O 1s XPS spectra of the Ti-loaded samples. The Al 2p and O...
Figure 5: (a, b) Nitrogen adsorption isotherms at 77 K, (c, d) pore size distribution and pore volume in calc...
Figure 6: TG and DTG profiles for the studied nanocomposites.
Figure 7: (a) UV–vis diffuse reflectance spectra and (b) plots of (F(R)hν)1/2 versus photon energy for calcul...
Beilstein J. Nanotechnol. 2025, 16, 44–53, doi:10.3762/bjnano.16.5
Figure 1: Geometry and Fe–O bond lengths for a magnetite cluster under two different conditions: (a) outside ...
Figure 2: The optimized NaA-M composite is represented by two different types of cells: (a) a trigonal cell a...
Figure 3: Band structure for (a) NaA zeolite, (b) NaA-M composite, and (c) isolated magnetite cluster. The bl...
Figure 4: DOS for (a) NaA zeolite, (b) NaA-M composite, and (c) isolated magnetite cluster. Fermi level is lo...
Figure 5: Spin density difference (up–down) isosurface of the NaA-M composite. For simplicity, the explicit d...
Figure 6: Real and imaginary parts of ε and ELF for (a) NaA zeolite and (b) NaA-M composite. The energy range...
Figure 7: Real and imaginary parts of ε and ELF for (a) NaA-M composite and (b) isolated magnetite cluster. T...