Figure 2 Nc-AFM micrograph of [Mn III 6 Cr III ](ClO 4 ) 3 on HOPG 94 × 99 nm 2 scan of area 1 in Figure 1 . Several molecular kinks occur along an edge of an island of the SMMs. The island in the lower right part of Figure 1 shows a stripe-like texture along the whole area and a LCPD of -0.38 V. The period of these www.selleckchem.com/products/bay-57-1293.html stripes is in the order of 2.9 ± 0.2 nm and keeps its orientation along the whole island. Obviously,
the distance of the parallel lines is larger than the distance between single molecules with a size of 2.13 nm along the lines. Figure 3a shows the enlargement of the area 2 exhibiting the stripe structure interrupted only by holes of few nanometers in size which do not influence the progression of the texture. In the corresponding fast Fourier transformation (FFT) image in Figure 3b, the twofold symmetry is seen. Figure 3 Nc-AFM micrograph of [Mn III 6 Cr III ](ClO 4 ) 3 on HOPG, 94 × 99 nm 2 scan. The scan was done in area 2 of Figure 1 with a LCPD of -0.38 V. (a) Topography showing stripes which cover the whole area of -0.38 V. (b) FFT image revealing a period of the stripes of 2.9 ± 0.2 nm. In the layer of area 3 shown in Figure 4a, the symmetry of the SMM layer appearing shows not just
two spots in the corresponding FFT in Figure 4b but four. The adsorption of the SMM on the surface is depicted in Figure 4c using a real space model. Two periods in the range of 2.26 ± 0.20 and 2.40 ± 0.19 nm very close to the size of the molecule learn more (2.13 nm) are observed. The lattice shows a symmetry which is twofold but close to a fourfold one within the error bars given. Furthermore, the difference in the texture of the layers corresponding to Figures Orotidine 5′-phosphate decarboxylase 3 and 4 is found in the LCPD image of Figure 1b. The area of Figure 3 originates from the bottom right quadrant of Figure 1, exhibiting a LCPD of -0.38 V in contrast
to the remaining islands with a LCPD of -0.26 V. Figure 4 Nc-AFM micrograph of [Mn III 6 Cr III ](ClO 4 ) 3 on HOPG. Scan range, 57 × 59 nm2 of area 3 in Figure 1. (a) The area is fully covered with SMMs and shows a crystallographic order. (b) FFT of the image revealing four spots indicating two predominant directions of the lattice. (c) Real space model of the elementary unit cell of the lattice. The angle α between the reflexes shown in Figure 4b is described by 83° ± 7° which is also close to a fourfold symmetry within the error bars. The texture is visible at every position in the image and keeps its periods and angles. In our case, a transformation from Fourier to real space and vice versa does not change the relative angle between two pairs of spots. The orientations of the areas 2 and 4 to 9 of Figure 1 are identical to each other within the error of ±7° which is a strong indication for a commensurate adlayer structure along the crystallographic order of the substrate.