Day 1September 6, 2010

Day 2September 8, 2010

1. Edward and Jason were preparing 2. Mr. Coria adjusting the flame.for the sealing.

3. The flame is already adjusted. See the 4. Mr. Coria is testing the flame bluish part.

5. Katrina is already sealing the tube

6. Katrina is sealing the tube carefully.

7. Sealed Quartz tube 8. The sonicator. This is where the tubes are placed for sterilization.

9. Before the sonicator is used, the water inside it is removed and replaced.

Day 3September 14, 2010

1. Sartorius scale (the device used to 2. Transferring of the SnO2 to quartz tubemeasure SnO2 powder.

3. Parafilm. 4. Wrapping the Parafilm around the tube

5. inserting the tube into the rubber ring 6. Attaching the tube into the vacuum.

7. Sealing the other end of the Quartz tube 8. Still sealing.

9. the finished product (both ends of the 10. This is the furnace. (cooking of the tube) Quartz tube are sealed)

11. The part of the furnace where values 12. The sealed tube is inserted in the furnace are inputted.

Day 4September 20, 2010

1. Labeled quartz tube. (1000°C) 2. The Gold-coating machine.

3. Mr. Coria showing us how to put the 4. The sample holder adhesive on the sample holder.

5. The Scanning Electron Microscope 6. The sample holder with the samples from the 1000°C growth temperature is put under the SEM for analysis (this is also done with the 1200°C)

Day 5October 1, 2010

Scanning Electron Microscope

Note: The same method used in Day 4 was used in Day 5. Refer to the photo documentation of Day 4.

Day 6October 4, 2010

No photos are available for it was just a discussion session with Dr. Santos. We were so engrossed with learning the analysis of the results of our experiment.

Day 7October 6, 2010

1. The first cleaned sample holder 2. Cleaning the second sample holder

3. The second cleaned sample holder 4. The 900°C sample.

5. The sample on the sample holder 6. Sample with glue paste on the sample holder

7. Another sample being glued to another 8. The sample holder attached to the current boxsample holder via gold paste

9. The fluke multimeters 10. Set-up is ready for testing using CO2

11. Testing of the 1000°C sample 12. Testing of the 900°C sample

Day 8October 14, 2010

1. Soldering of the long wires 2. The longer wires are now attached

3. The testing set-up is now ready. 4. The sample holder with the sample is being placed on the iron clamp

5. The current is adjusted to 12mA. 6. The first reading at 0 seconds

7. The car engine was started. Smoke came 8. Reading at 4 seconds (900°C)out of the smoke belching part of the car and directly hit the sample. (900°C)

9. Reading at 40 seconds (900°C) 10. Reading at 0 seconds (1000°C)

11. Reading at 40 seconds (1000°C) 12. IP8.