Paper Information

Title: 

FABRICATION OF TELLURIUM NANOBELTS BY PHYSICAL VAPOR DEPOSITION

Type: PAPER
Author(s): PARSAFAR NAHID,EBRAHIMZAD AKBAR
 
 
 
Name of Seminar: NATIONAL VACUUM CONFERENCE IRAN
Type of Seminar:  CONFERENCE
Sponsor:  PAZHOHESHKADE OLOM VA SANAYE GHAZAEE
Date:  2012Volume 5
 
 
Abstract: 

NANOBELTS HAVE BEEN SUCCESSFULLY GROWN BY PHYSICAL VAPOR DEPOSITION METHOD IN A TUBE FURNACE. TELLURIUM POWDER WAS EVAPORATED AT A TEMPERATURE OF 360OC AND A PRESSURE OF 10-2 MBAR, AND WAS CONDENSED ON SUBSTRATES AT 212–231OC, IN THE DOWNSTREAM OF ARGON GAS FLOW. THE PRODUCTS WERE CHARACTERIZED BY FIELD EMISSION SCANNING ELECTRON MICROSCOPY (FESEM). THE FESEM IMAGES REVEALED THAT IN LOWER TEMPERATURES THE SURFACE IS MOSTLY COVERED WITH NANORODS AND NANOWIRES WITH DIAMETERS RANGING FROM 100 TO 150 NM, WHILE IN HIGHER TEMPERATURES SOME 2D STRUCTURES AND NANOBELTS HAVE GROWN ON THE SURFACE AS WELL.

 
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