Recent Experimental works

SANS (Small Angle Neutron Scattering)

July 1999, Budapest Neutron Center

in collaboration with: Mikhail Avdeev <avd@sunserv.kfki.hu>
For paper concerning the data below - click here.
 
Sample ID Material Size of grain Comment Dm(mass fractal dimesion) Ds(surface fractal dimesion)
157k SiC 3.9 nm powder synthesized from organic precursors 2.08(3) 2.33(8)
h1k SiC 2.0 nm powder synthesized from organic precursors 2.7(1)
w3k SiC 2.7 nm powder synthesized from organic precursors 2.2(1)
keil1 SiC 8 nm powder synthesized in flame 2.32(4)
keil2 SiC 10nm powder synthesized in flame 2.12(5)
483 SiC nm powder 2.0
483p SiC nm sintered 483 powder 2.02(2)
a16 diamond 10 nm shock-synthesized powder 1.86(3) 2.12(4)
a16p diamond 10 nm sintered a16 1.40(4) 2.34(5)
atm diamond 10 nm shock-synthesized powder 1.86(3) 2.34(3)
dalan diamond 10 nm shock-synthesized powder 2.27(1)
ref SiC microns reference SiC powder 2.24(3)

SAXS (Small Angle X-Ray Scatterting)

November 1999, JUSTIFA /B1/ station, Hasylab, DESY, Hamburg, Germany

in collaboration with: Guenter Goerigk <goerigk@mail.desy.de>
For paper concerning the data below - click here.
 
Sample ID Material Size of grain Comment Dm(mass fractal dimesion) Ds(surface fractal dimesion)
157k family SiC 3.9 nm powder synthesized from organic precursors
157k SiC 3.9 nm powder manually pressed during sample preparation 0.685(9) 2.04(1)
157kbis SiC 3.9 nm powder manually pressed during sample preparation 0.63(1) 1.98(1)
157k-F1 SiC 3.9 nm powder not pressed ("F"=1) 1.80(1) 2.04(1)
157k-F2 SiC 3.9 nm powder pressed a little ("F"=2) 1.23(1) 1.984(9)
157k-F3 SiC 3.9 nm powder pressed heavily ("F"=3) 0.42(1) 1.96(1)
157k-F4 SiC 3.9 nm powder pressed heavily ("F"=4) 0.73(1) 1.920(8)
h1k SiC 2.0 nm powder synthesized from organic precursors, manually pressed during sample preparation 0.41(4) 2.12(1)
w3k SiC 2.7 nm powder synthesized from organic precursors, manually pressed during sample preparation 0.75(2) 2.14(1)
98-g1 SiC nm powder
GaN-500-old GaN nm powder 1.471(9) 2.23(2)
max-9711 family SiC microns nano-SiC sintered at MAX80 6-anvill press (Hasylab/DESY)
max-9711-01SI SiC 2.43(1)
max-9711-02SI SiC 2.164(8)
max-9711-03KI SiC 2.33(1)