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Laser Heating On the Laser Heating On the Surface of Au(111) Surface of Au(111) covered with covered with Octanethiol Octanethiol By: Chris Agostino By: Chris Agostino

Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

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Page 1: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Laser Heating On the Laser Heating On the Surface of Au(111) covered Surface of Au(111) covered

with Octanethiolwith OctanethiolBy: Chris AgostinoBy: Chris Agostino

Page 2: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Unannealed GoldUnannealed Gold

• 50 nm range• This was a test of the laser and other functions.• Before: 7-1-11AP, 5 minutes exposed to laser• After: 7-1-11AQ, 5 minutes cooling

Page 3: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Annealed GoldAnnealed Gold

• 50 nm range• This was another day of scanning for testing purposes. • Before: 7-5-11AK, 5 minutes exposed to laser• After:7-5-11AL, 5 minutes cooling

Page 4: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with DTC2 and OctanethiolAu(111) with DTC2 and Octanethiol

• 67.2 nm range• Before: 7-7-11AE, 6 minutes exposed to laser• After:7-7-11AF, 6 minutes cooling

Page 5: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with DTC2 and OctanethiolAu(111) with DTC2 and Octanethiol

• 67.2 Scan Range• Before:7-7-11AG, 5 minutes exposed to laser• After: 7-7-11AH, 5 minutes cooling

Page 6: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with DTC2 and OctanethiolAu(111) with DTC2 and Octanethiol

• 200 nm range• Before: 7-7-11AI, 7 minutes exposed to laser• After: 7-1-11AJ, 7 minutes cooling

Page 7: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with OctanethiolAu(111) with Octanethiol

• 50 nm range• Before: 7-18-11AD, 30 seconds exposed to laser• After: 7-18-11AE, 30 seconds cooling

Page 8: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with OctanethiolAu(111) with Octanethiol

• 26.2 nm Range• Before: 7-21-11AQ, 45 seconds exposed to laser• After:7-21-11AR, 45 seconds cooling

Page 9: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with OctanethiolAu(111) with Octanethiol

• 50 nm Range• Before: 7-22-11AC, 45 seconds exposed• After: 7-22-11AD, 45 seconds cooling

Page 10: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) on OctanethiolAu(111) on Octanethiol

• 37.3 nm Range• Before: 7-22-11AH, 35 seconds exposed to laser• After: 7-22-11AI, 70 seconds cooling

Page 11: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with OcttanethiolAu(111) with Octtanethiol

• 38.9 nm Range• Before: 7-26-11AE, 35 seconds exposed to laser• After: 7-26-11AF, 70 seconds cooling

Page 12: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) on OctanethiolAu(111) on Octanethiol

• 25 nm Range• Before: 090811AE, 45 seconds exposed to laser• After: 090811AF, 90 seconds cooling• +.5V, 1.001 C, P=7, I=7, Res: 256;256

Page 13: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) on OctanethiolAu(111) on Octanethiol

• 60.2 nm Range• Before: 090811AG, 45 seconds exposed to laser• After: 090811AH, 90 seconds cooling• +.5 V, 1.001 C, P=7, I=7, Res: 512;256

Page 14: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with OctanethiolAu(111) with Octanethiol

• 84.8 nm range• Before: 092211AF, 50 seconds exposed to laser• After:092211AG, 2 minutes cooling• +.5 V, 1.001 C, P=7, I=7m Res: 512;512

Page 15: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with OctanethiolAu(111) with Octanethiol

• 62.5 nm Range• Before: 092911AB, 50 seconds exposed to laser• After: 092911AC, 5 minutes cooling• +.5 V, 1.001 C, I=7, P=7, Res:256;256

Page 16: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with OctanethiolAu(111) with Octanethiol

• 50.8 nm Range• Before: 100511AB, exposed to laser for one minute• After: 100511AC, cooling for five minutes• +.5 V, 1.001 C, P=10, I=10, Res: 256;256

Page 17: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with OctanethiolAu(111) with Octanethiol

• 98.4 nm Range• Before:100511AE, exposed to laser for one minute• After: 100511AF, cooled for five minutes• +.5 V, 1.001 C, P=10;9, I=10;9, Res:256, 256

Page 18: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with OctanethiolAu(111) with Octanethiol

• 67.3 nm Range• Before: 100511AG, 1 minute exposed to laser• After: 100511AH, 5 minutes cooling• +.5 V, 1.001 C, P=7, I=7, Res: 256;256

Page 19: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with OctanethiolAu(111) with Octanethiol

• 87.5 nm Range• Before: 102011AK, 50 seconds exposed to laser• After: 102011AL, 5 minutes cooling• +.5 V,1,001 C, P=10, I=10, Res: 256;256

Page 20: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with Octanethiol

• 90.61 nm Range• Before: 110311AD, 1 minute exposed to laser• After: 110311AE, 5 minutes cooling• +.5 V, 1.001 C, Res: 256;256, I=10, P=10

Page 21: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with Octanethiol

• 90.61 nm Range• Before: 110411AD, exposed to laser for one minute• After: 110411AE, five minutes cooling• +.5 V, 1.001 C, Res: 256;256, I=10, P=10

Page 22: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with Octanethiol

• 78.1 nm Range• Before: 111111AE, exposed to Laser for one minute• After: 111111AF, five minutes cooling• +.5 V, 1.001 C, Res: 256;256, P=8,I=8,

Page 23: Laser Heating On the Surface of Au(111) covered with Octanethiol By: Chris Agostino

Au(111) with Octanethiol

• 100.78 nm Range• Before: 111711AE, exposed to laser for one minute• After: 111711AF, five minutes cooling• +.5 V, 1.001 C, Res: 256;256, I=10, P=10