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BARATI, M., UMMAT, P. K., LUKE, G., DATARS, W. R.. (1384). ANGULAR DEPENDENT MAGNETORESISTANCE OSCILLATION IN STAGE-2 IBr GRAPHITE INTERCALATION COMPOUND. , 29(3), 349-356. doi: 10.22099/ijsts.2005.2811
M. BARATI; P. K. UMMAT; G. LUKE; W. R. DATARS. "ANGULAR DEPENDENT MAGNETORESISTANCE OSCILLATION IN STAGE-2 IBr GRAPHITE INTERCALATION COMPOUND". , 29, 3, 1384, 349-356. doi: 10.22099/ijsts.2005.2811
BARATI, M., UMMAT, P. K., LUKE, G., DATARS, W. R.. (1384). 'ANGULAR DEPENDENT MAGNETORESISTANCE OSCILLATION IN STAGE-2 IBr GRAPHITE INTERCALATION COMPOUND', , 29(3), pp. 349-356. doi: 10.22099/ijsts.2005.2811
BARATI, M., UMMAT, P. K., LUKE, G., DATARS, W. R.. ANGULAR DEPENDENT MAGNETORESISTANCE OSCILLATION IN STAGE-2 IBr GRAPHITE INTERCALATION COMPOUND. , 1384; 29(3): 349-356. doi: 10.22099/ijsts.2005.2811

ANGULAR DEPENDENT MAGNETORESISTANCE OSCILLATION IN STAGE-2 IBr GRAPHITE INTERCALATION COMPOUND

Iranian Journal of Science
مقاله 2، دوره 29، شماره 3، اسفند 2005، صفحه 349-356    اصل مقاله (261.91 K)
نوع مقاله: Regular Paper
شناسه دیجیتال (DOI): 10.22099/ijsts.2005.2811
نویسندگان
M. BARATI* 1؛ P. K. UMMAT2؛ G. LUKE2؛ W. R. DATARS2
1Department of Physics, Shiraz University, Shiraz, I. R. of Iran 71454
2Department of Physics and Astronomy, McMaster University, Hamilton, ON, L8S 4M1, Canada
چکیده
The angular dependent magnetoresistance oscillation (ADMRO) of the stage-2 IBr graphite
intercalation compound (GIC) was studied between 1.8 K and 110 K in magnetic fields between 1 and 9
T. There was a series of peaks in the c-axis resistance as the field direction was changed from the c axis
to the (001) plane. The field independence of the angular positions of the peaks, showing that the
oscillation is not from the Shubnikov-de Haas effect, and the presence of the oscillation at high
temperatures indicate that the effect is semiclassic. The location and the relative amplitudes of the peaks
show that the ADMRO in this compound does not follow the predictions for the symmetrical corrugation
model of the cylindrical Fermi surface. The reason is attributed to the presence of two cylindrical Fermi
surfaces and zone folding of the Fermi surface by the periodicity of the IBr lattice in this compound.
کلیدواژه‌ها
Graphite intercalation compound؛ ADMRO effect
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