| Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision |
| papers [2012/05/16 14:21] – tate | papers [2013/03/30 16:09] – tate |
|---|
| ====== Paper/poster assignment (Midterm 2) ====== | ====== Paper/poster assignment (Midterm 2) ====== |
| |
| One of the goals of the course is to become familiar with modern computational software that allows one to solve difficult problems. You will use the software package Wien 2k or Flair/Gem to calculate the band structure of a semiconductor, metal, or insulator. Decide on an interesting system (talk to me and others about what is feasible). You always start by reproducing the work of others, and then go on to explore by yourself. More information about the program is under the Wien 2k link. You will calculate (at minimum for a passing grade) the dispersion relation and the total and partial densities of states of an interesting material. You will also calculate at least one other property using the Wien 2k advanced options – electron density, optical properties etc., for a B or higher grade. The difficulty of the project will be taken into account in assigning the grade. | One of the goals of the course is to become familiar with modern computational software that allows one to solve difficult problems. You will use the software package Wien 2k or Flair/Gem to calculate the band structure of a semiconductor, metal, or insulator. Decide on an interesting system (talk to me and others about what is feasible). You always start by reproducing the work of others, and then go on to explore by yourself. You will calculate (at minimum for a passing grade) the dispersion relation and the total and partial densities of states of an interesting material. You will also calculate at least one other property – electron density, optical properties etc., for a B or higher grade. The difficulty of the project will be taken into account in assigning the grade. More information about the programs is under the Wien 2k link and the Flair/Gem link. |
| |
| Write a **paper** that describes your findings. It should state what you are trying to investigate and include motivation for the choice of material. This paper should distill the knowledge you have gained about electronic structure, and be well-constructed to be very helpful to an incoming PH575 student. It will show evidence of your scientific curiosity, and your ability to explain the essential concepts. It should should explain (i) what you have learned about band structure calculations during this process, and (ii) explain what is topical and interesting about your material in somewhat greater detail than you poster. Include references about both sub-parts. | Write a **paper** that describes your findings. It should should explain (i) what you have learned about band structure calculations during this process, and (ii) explain what is topical and interesting about your material in somewhat greater detail than you poster. Include references about both sub-parts. This paper should distill the knowledge you have gained about electronic structure, and be well-constructed to be very helpful to incoming PH575 students. It should show evidence of your scientific curiosity, and your ability to explain the essential concepts. |
| |
| Summarize your results as a **poster** for the group to be shown in the hour reserved for MT2. This is a conference of your peers, and may also be attended by interested parties such as former and prospective PH 575 students, and faculty. You should not go to great expense to generate the posters; 8.5” by 11” sheets pasted to thin poster board will be fine. The total size is limited to about half the size of a whiteboard in WGR 304. Text and diagrams should explain your calculations, and provide supplementary information about your material. In the poster session, half the class will remain with the poster for the first half while the other half circulate; roles are swapped for the second half. | Summarize your results as a **poster** for the group to be shown in the hour reserved for MT2. This is a conference of your peers, and may also be attended by interested parties such as former and prospective PH575 students, and faculty. You should not go to great expense to generate the posters; 8.5” by 11” sheets pasted to thin poster board will be fine. The total size is limited to about half the size of a whiteboard in WGR 304. Text and diagrams should explain your calculations, and provide supplementary information about your material. In the poster session, half the class will remain with the poster for the first half while the other half circulate; roles are swapped for the second half. |
| |
| If you have questions, please ask! I will almost always email the whole class with my answer, or post the answers here under FAQ. | If you have questions, please ask! I will almost always email the whole class with my answer, or post the answers here under FAQ. |
| ====== FAQ ====== | ====== FAQ ====== |
| === Audience === | === Audience === |
| You are writing a scientific article for an audience of your peers, say incoming PH575 students. You and your peers are highly educated, technically savvy people, but you do not know everything about every material that has ever been discovered. You are educating your peers about a particular material that is of scientific interest or technological importance and you want to convey what is interesting or important about that material from the point of view of a scientist. You are all capable of reading and understanding articles in any of the journals on solid state physics or materials. | You are writing a scientific article for an audience of your peers, e.g. incoming PH575 students. You and your peers are highly educated, technically savvy people, but you do not know everything about every material that has ever been discovered. You are educating your peers about a particular material that is of scientific interest or technological importance and you want to convey what is interesting or important about that material from the point of view of a scientist. You are all capable of reading and understanding articles in any of the journals on solid state physics or materials. |
| |
| === How to go beyond the basics === | === How to go beyond the basics === |
| Here are some ideas that might stimulate your creativity | Here are some ideas that might stimulate your creativity |
| |
| * explore another option within Wien | * explore another option within Wien of Flair |
| * pose a question that could be explored using this new tool | * pose a question that could be explored using this new tool |
| * study a family of materials | * study a family of materials |
| * go beyond the standard "default clicks" in Wien to explore something you found interesting | * go beyond the standard "default clicks" in Wien to explore something you found interesting |
| * choose a more challenging material (not recommended because this is often an all-or-nothing proposition). | * choose a more challenging material (not always recommended because this is often an all-or-nothing proposition). |
| |
| === Collaboration or no? === | === Collaboration or no? === |
| Teach each other to use the Wien basics. Share tips on how to use the software, especially on how to get to the DoS and the //E(k)// plots. This just like being in a lab where you show someone how to use a piece of equipment. This kind of collaboration is healthy, but don't do the work for the other person. In a lab, you show someone a tool and he or she decides what experiment to do with it. | Teach each other about how use the Wien and Flair basics. Share tips on how to use the software, especially on how to get to the DoS and the //E(k)// plots. This just like being in a lab where you show someone how to use a piece of equipment. This kind of collaboration is healthy, but don't do the work for the other person. In a lab, you show someone a tool and he or she decides what experiment to do with it. |
| |
| Talk to others to help point you to information, but don't let the other person do all the legwork for you, and likewise, don't do the legwork for others. | Talk to others to help point you to information, but don't let the other person do all the legwork for you, and likewise, don't do the legwork for others. |
| Please do not perform the other person's calculation. Help him or her with specific calculational problems, but don't define the goals of the assignment for the other person. | Please do not perform the other person's calculation. Help him or her with specific calculational problems, but don't define the goals of the assignment for the other person. |
| |
| Don't work together to construct your posters - the temptation to produce the same format is very strong. This is your poster. But critique someone's poster and offer advice if asked. Tell each where to buy poster materials or how to get access to good printing //etc//. | Don't work together to construct your posters - the temptation to produce the same format is very strong. This is your poster. But critique someone's poster and offer advice if asked. Tell each other where to get poster materials or how to get access to good printing //etc//. |
| |
| === Length === | === Length of paper === |
| Depends somewhat on the choice of topic and how many figures you include. Typical papers in the past have been about 8 pages including figures and references. | Depends somewhat on the choice of topic and how many figures you include. Typical papers in the past have been about 8 pages including figures and references. |
| |
| |
| ==== Mason, Ashley D. ==== | ==== Mason, Ashley D. ==== |
| PbZrO3 | PbTiO3 and BaTiO3 |
| |
| ==== Nikkel, Jason W. ==== | ==== Nikkel, Jason W. ==== |
| | Strontium titanate |
| | |
| ==== Oleksak, Richard P. ==== | ==== Oleksak, Richard P. ==== |
| CuInSe2, CuGaSe2 | CuInSe2, CuGaSe2 |
