Track etch membranes (TEMs) for separation sciences from BARC-TIFR Pelletron accelerator |
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| Authors: | J P Nair P Surendran Hillary Sparrow A K Gupta P V Bhagwat S Kailas V M Datar |
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| Institution: | 1. Nuclear Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
2. MDPDD, Bhabha Atomic Research Centre, Mumbai, 400085, India
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| Abstract: | Track etch membranes (TEMs) program at 14 UD Pelletron accelerator at TIFR, Mumbai, India using 25 micron thick polyethylene terepthalate film is described. Large scale preparation of TEMs by scanning heavy ion beams using a electromagnetic scanner and rolling mechanism using a geared D.C. motor and vacuum rotary feed through are presented. The selection of ions of suitable energy and etching parameters for making various pore sizes were investigated using Rutherford scattered beam from Pelletron accelerator. Pore size and pore density were measured using scanning electron microscope. Scanning width up to 35 cm and irradiation up to 22 m were successfully carried out using this facility. Some applications carried out using these membranes are also mentioned. |
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