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 |
| 375 | 3 | MICROSCOPY//ULTRAMICROSCOPY//JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 34629 |
| 2570 | 2 | SCANNING//SCANDATE CATHODE//MICROSCOPY | 3949 |
| 16692 | 1 | SCANDATE CATHODE//DISPENSER CATHODE//IMPREGNATED CATHODES | 666 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | SCANDATE CATHODE | authKW | 1421114 | 5% | 97% | 31 |
| 2 | DISPENSER CATHODE | authKW | 807502 | 3% | 74% | 23 |
| 3 | IMPREGNATED CATHODES | authKW | 766600 | 3% | 90% | 18 |
| 4 | OXIDE CATHODE | authKW | 698880 | 4% | 62% | 24 |
| 5 | THERMIONIC CATHODE | authKW | 432638 | 2% | 57% | 16 |
| 6 | LA2O3 MO | authKW | 283927 | 1% | 100% | 6 |
| 7 | CATHODE LIFE | authKW | 252375 | 1% | 67% | 8 |
| 8 | OXIDE COATED CATHODE | authKW | 243365 | 1% | 86% | 6 |
| 9 | THERMIONIC EMISSION | authKW | 199881 | 6% | 11% | 37 |
| 10 | BA AND SR OXIDES | authKW | 189285 | 1% | 100% | 4 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Materials Science, Coatings & Films | 12515 | 31% | 0% | 208 |
| 2 | Physics, Applied | 5651 | 59% | 0% | 390 |
| 3 | Physics, Condensed Matter | 1842 | 29% | 0% | 190 |
| 4 | Chemistry, Physical | 1136 | 29% | 0% | 194 |
| 5 | Metallurgy & Metallurgical Engineering | 443 | 9% | 0% | 63 |
| 6 | Engineering, Electrical & Electronic | 433 | 17% | 0% | 114 |
| 7 | Materials Science, Multidisciplinary | 158 | 14% | 0% | 94 |
| 8 | Physics, Multidisciplinary | 97 | 7% | 0% | 48 |
| 9 | Nanoscience & Nanotechnology | 51 | 4% | 0% | 27 |
| 10 | Microscopy | 51 | 1% | 0% | 7 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | RD MICROWAVE DEVICE TECHNOL | 126187 | 1% | 67% | 4 |
| 2 | CATHODE ELECT | 94642 | 0% | 100% | 2 |
| 3 | CONSUMER IND | 94642 | 0% | 100% | 2 |
| 4 | ELE ON TUBES DEVICES | 75709 | 1% | 40% | 4 |
| 5 | ELECT DEVICES MAT | 73933 | 1% | 31% | 5 |
| 6 | MICROWAVE TUBE RD | 63094 | 0% | 67% | 2 |
| 7 | ADV FUNCT MAT | 50577 | 4% | 4% | 29 |
| 8 | BRANCH 73 11 | 47321 | 0% | 100% | 1 |
| 9 | CATHODE RAY TUBE DESIGN ENGN | 47321 | 0% | 100% | 1 |
| 10 | COMPONENTS CO | 47321 | 0% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | APPLICATIONS OF SURFACE SCIENCE | 151849 | 7% | 7% | 44 |
| 2 | APPLIED SURFACE SCIENCE | 25446 | 21% | 0% | 140 |
| 3 | IEEE TRANSACTIONS ON ELECTRON DEVICES | 9060 | 8% | 0% | 55 |
| 4 | REVUE TECHNIQUE THOMSON-CSF | 3049 | 0% | 3% | 2 |
| 5 | NEC RESEARCH & DEVELOPMENT | 1729 | 1% | 1% | 4 |
| 6 | VACUUM | 1547 | 3% | 0% | 18 |
| 7 | JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A | 1431 | 3% | 0% | 21 |
| 8 | IZVESTIYA AKADEMII NAUK SSSR SERIYA FIZICHESKAYA | 1358 | 2% | 0% | 12 |
| 9 | RARE METAL MATERIALS AND ENGINEERING | 1321 | 3% | 0% | 19 |
| 10 | JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 1210 | 3% | 0% | 21 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | SCANDATE CATHODE | 1421114 | 5% | 97% | 31 | Search SCANDATE+CATHODE | Search SCANDATE+CATHODE |
| 2 | DISPENSER CATHODE | 807502 | 3% | 74% | 23 | Search DISPENSER+CATHODE | Search DISPENSER+CATHODE |
| 3 | IMPREGNATED CATHODES | 766600 | 3% | 90% | 18 | Search IMPREGNATED+CATHODES | Search IMPREGNATED+CATHODES |
| 4 | OXIDE CATHODE | 698880 | 4% | 62% | 24 | Search OXIDE+CATHODE | Search OXIDE+CATHODE |
| 5 | THERMIONIC CATHODE | 432638 | 2% | 57% | 16 | Search THERMIONIC+CATHODE | Search THERMIONIC+CATHODE |
| 6 | LA2O3 MO | 283927 | 1% | 100% | 6 | Search LA2O3+MO | Search LA2O3+MO |
| 7 | CATHODE LIFE | 252375 | 1% | 67% | 8 | Search CATHODE+LIFE | Search CATHODE+LIFE |
| 8 | OXIDE COATED CATHODE | 243365 | 1% | 86% | 6 | Search OXIDE+COATED+CATHODE | Search OXIDE+COATED+CATHODE |
| 9 | THERMIONIC EMISSION | 199881 | 6% | 11% | 37 | Search THERMIONIC+EMISSION | Search THERMIONIC+EMISSION |
| 10 | BA AND SR OXIDES | 189285 | 1% | 100% | 4 | Search BA+AND+SR+OXIDES | Search BA+AND+SR+OXIDES |
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 |