Class information for: |
Basic class information |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 1 | 4 | PHYSICS, CONDENSED MATTER//PHYSICS, APPLIED//MATERIALS SCIENCE, MULTIDISCIPLINARY | 2188495 |
| 64 | 3 | SEMICONDUCTOR LASERS//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER | 89567 |
| 174 | 2 | SEMICONDUCTOR LASERS//IEEE JOURNAL OF QUANTUM ELECTRONICS//VERTICAL CAVITY SURFACE EMITTING LASERS | 21466 |
| 31677 | 1 | TRANSISTOR LASER//TRANSISTOR LASER TL//0 D QUANTUM WELLS | 163 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | TRANSISTOR LASER | authKW | 3875897 | 13% | 95% | 21 |
| 2 | TRANSISTOR LASER TL | authKW | 1353489 | 4% | 100% | 7 |
| 3 | 0 D QUANTUM WELLS | authKW | 386711 | 1% | 100% | 2 |
| 4 | MICRONANOSYST TECHNOL | address | 386711 | 1% | 100% | 2 |
| 5 | LIGHT EMITTING TRANSISTOR LET | authKW | 257806 | 1% | 67% | 2 |
| 6 | 06 MA | authKW | 193356 | 1% | 100% | 1 |
| 7 | 1 D QUANTUM WELL | authKW | 193356 | 1% | 100% | 1 |
| 8 | 2 D QUANTUM WELL | authKW | 193356 | 1% | 100% | 1 |
| 9 | 20 GB S MODULATION | authKW | 193356 | 1% | 100% | 1 |
| 10 | 22 GB S | authKW | 193356 | 1% | 100% | 1 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Physics, Applied | 1797 | 66% | 0% | 108 |
| 2 | Optics | 1252 | 37% | 0% | 60 |
| 3 | Engineering, Electrical & Electronic | 775 | 41% | 0% | 67 |
| 4 | Education, Scientific Disciplines | 7 | 1% | 0% | 2 |
| 5 | Telecommunications | 3 | 2% | 0% | 3 |
| 6 | Physics, Multidisciplinary | 3 | 4% | 0% | 6 |
| 7 | Physics, Condensed Matter | 1 | 4% | 0% | 6 |
| 8 | Materials Science, Multidisciplinary | 1 | 6% | 0% | 9 |
| 9 | Engineering, Industrial | 1 | 1% | 0% | 1 |
| 10 | Computer Science, Hardware & Architecture | 0 | 1% | 0% | 1 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | MICRONANOSYST TECHNOL | 386711 | 1% | 100% | 2 |
| 2 | MAT ELECT TECH | 193356 | 1% | 100% | 1 |
| 3 | QUANTUM ELE O OPTO SYST SDN BHD | 193356 | 1% | 100% | 1 |
| 4 | CPD SEMICOND MICROELECT | 96677 | 1% | 50% | 1 |
| 5 | NSF MRSE TECHNOL ENABLING HETEROSTRUCT MAT | 96677 | 1% | 50% | 1 |
| 6 | COMPOUND SEMICOND | 59202 | 4% | 4% | 7 |
| 7 | QUANTUM NANOELECT | 28438 | 4% | 2% | 7 |
| 8 | INFORMAT COMMUN TECHNOL ICT | 19332 | 1% | 5% | 2 |
| 9 | COMPOUND SEMICOND MICROELECT | 17183 | 1% | 4% | 2 |
| 10 | PRL | 16810 | 1% | 4% | 2 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | APPLIED PHYSICS LETTERS | 5480 | 34% | 0% | 56 |
| 2 | MICROLITHOGRAPHY WORLD | 3716 | 1% | 2% | 1 |
| 3 | IEEE PHOTONICS TECHNOLOGY LETTERS | 2621 | 9% | 0% | 15 |
| 4 | IEEE JOURNAL OF QUANTUM ELECTRONICS | 2244 | 6% | 0% | 10 |
| 5 | OPTICAL AND QUANTUM ELECTRONICS | 2242 | 4% | 0% | 7 |
| 6 | IET OPTOELECTRONICS | 1869 | 1% | 0% | 2 |
| 7 | IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 740 | 2% | 0% | 4 |
| 8 | PROCEEDINGS OF THE IEEE | 704 | 2% | 0% | 4 |
| 9 | SOVIET MICROELECTRONICS | 645 | 1% | 0% | 1 |
| 10 | SEMICONDUCTOR SCIENCE AND TECHNOLOGY | 585 | 3% | 0% | 5 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | TRANSISTOR LASER | 3875897 | 13% | 95% | 21 | Search TRANSISTOR+LASER | Search TRANSISTOR+LASER |
| 2 | TRANSISTOR LASER TL | 1353489 | 4% | 100% | 7 | Search TRANSISTOR+LASER+TL | Search TRANSISTOR+LASER+TL |
| 3 | 0 D QUANTUM WELLS | 386711 | 1% | 100% | 2 | Search 0+D+QUANTUM+WELLS | Search 0+D+QUANTUM+WELLS |
| 4 | LIGHT EMITTING TRANSISTOR LET | 257806 | 1% | 67% | 2 | Search LIGHT+EMITTING+TRANSISTOR+LET | Search LIGHT+EMITTING+TRANSISTOR+LET |
| 5 | 06 MA | 193356 | 1% | 100% | 1 | Search 06+MA | Search 06+MA |
| 6 | 1 D QUANTUM WELL | 193356 | 1% | 100% | 1 | Search 1+D+QUANTUM+WELL | Search 1+D+QUANTUM+WELL |
| 7 | 2 D QUANTUM WELL | 193356 | 1% | 100% | 1 | Search 2+D+QUANTUM+WELL | Search 2+D+QUANTUM+WELL |
| 8 | 20 GB S MODULATION | 193356 | 1% | 100% | 1 | Search 20+GB+S+MODULATION | Search 20+GB+S+MODULATION |
| 9 | 22 GB S | 193356 | 1% | 100% | 1 | Search 22+GB+S | Search 22+GB+S |
| 10 | AL BEARING III V OXIDE | 193356 | 1% | 100% | 1 | Search AL+BEARING+III+V+OXIDE | Search AL+BEARING+III+V+OXIDE |
Core articles |
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c: (1) Number of references referring to publications in the class. (2) Share of total number of active references referring to publications in the class. (3) Age of the article. New articles get higher score than old articles. (4) Citation rate, normalized to year. |
Classes with closest relation at Level 1 |