Full text loading...
(Color online). Stereo microscopy image of an ADNRs sample.
Examples of diffraction patterns collected at 16.7(1) GPa from (a) diamond and (b) ADNRs compressed simultaneously in argon quasihydrostatic pressure medium. Inset shows (111) diffraction lines of diamond and ADNRs collected at ambient pressure (i.e., before cryogenic loading of Ar into the pressure chamber) [(D) diamond, (ADNRs) aggregate diamond nanoroads; (Ar) argon; the patterns were collected at ID30 beam line at ESRF with constant wavelength 0.3738Å].
(a) Bright-field TEM image of a nanocrystalline aggregate with needle-shaped, elongated crystals (diamond nanorods). The crystals can be longer than , whereby the needle width is only about 20 nm or less; (b) bright-field image shows a closeup of the elongated crystals. The long edges of the crystals are parallel to the (111) plane and the needle axes are approximately parallel .
(Color online). Pressure dependence of reduced volume of diamond (triangles) and aggregate diamond nanoroads (inversed triangles). Dashed line shows third-order Birch-Murnaghan equation of state (EOS) with parameters (Ref. 10). Continues line is the fit to our data with .
Article metrics loading...