Class information for: |
Basic class information |
| Class id | #P | Avg. number of references |
Database coverage of references |
|---|---|---|---|
| 23623 | 340 | 16.7 | 36% |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 2 | 4 | MATERIALS SCIENCE, MULTIDISCIPLINARY//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER | 2836879 |
| 47 | 3 | PHYSICS, APPLIED//JOURNAL OF CRYSTAL GROWTH//PHYSICS, CONDENSED MATTER | 93961 |
| 3050 | 2 | SOVIET PHYSICS SEMICONDUCTORS-USSR//PHYS MICROSTRUCT//MOBILITY SPECTRUM ANALYSIS | 2452 |
| 23623 | 1 | ABSOLUTE NEGATIVE RESISTANCE//CLOSED CYCLE MACHINE//P GE HOT HOLE LASER | 340 |
Terms with highest relevance score |
| rank | Term | termType | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
|---|---|---|---|---|---|---|
| 1 | ABSOLUTE NEGATIVE RESISTANCE | authKW | 89809 | 0% | 100% | 1 |
| 2 | CLOSED CYCLE MACHINE | authKW | 89809 | 0% | 100% | 1 |
| 3 | P GE HOT HOLE LASER | authKW | 89809 | 0% | 100% | 1 |
| 4 | P GE LASER | authKW | 89809 | 0% | 100% | 1 |
| 5 | P GE TERAHERTZ LASER | authKW | 89809 | 0% | 100% | 1 |
| 6 | PIEZOELECTRIC SCATTERING | authKW | 89809 | 0% | 100% | 1 |
| 7 | SOLID STATE SOURCES | authKW | 89809 | 0% | 100% | 1 |
| 8 | SPACE SPECTROSCOPY | authKW | 89809 | 0% | 100% | 1 |
| 9 | SUBMILLIMETER WAVE RESONATORS | authKW | 89809 | 0% | 100% | 1 |
| 10 | TERAHERTZ GERMANIUM LASER | authKW | 89809 | 0% | 100% | 1 |
Web of Science journal categories |
| Rank | Term | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
|---|---|---|---|---|---|
| 1 | Physics, Condensed Matter | 1966 | 40% | 0% | 137 |
| 2 | Physics, Multidisciplinary | 733 | 22% | 0% | 76 |
| 3 | Physics, Applied | 652 | 30% | 0% | 101 |
| 4 | Optics | 504 | 17% | 0% | 58 |
| 5 | Engineering, Electrical & Electronic | 302 | 19% | 0% | 66 |
| 6 | Instruments & Instrumentation | 37 | 4% | 0% | 14 |
| 7 | Materials Science, Multidisciplinary | 9 | 7% | 0% | 25 |
| 8 | Materials Science, Characterization, Testing | 4 | 1% | 0% | 2 |
| 9 | Spectroscopy | 0 | 1% | 0% | 3 |
| 10 | Multidisciplinary Sciences | 0 | 0% | 0% | 1 |
Address terms |
| Rank | Term | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
|---|---|---|---|---|---|
| 1 | ZAUBERTEK INC | 89809 | 0% | 100% | 1 |
| 2 | PHYS MICROSTRUCT | 23152 | 6% | 1% | 20 |
| 3 | ARTS SCI PURE PL SCI MEGURO KU | 5985 | 0% | 7% | 1 |
| 4 | DELFT MICROELECT SUBMICRON TECHNOL | 4721 | 1% | 2% | 3 |
| 5 | PHOTON NONLINEAR SCI GRP | 3740 | 0% | 4% | 1 |
| 6 | SUBMICRON HETEROSTRUCT MICROELECT ENGN | 3452 | 0% | 4% | 1 |
| 7 | MICROSTRUCT PHYS | 3147 | 1% | 2% | 2 |
| 8 | SPACE SENSOR TECHNOL PLANETARY EXPLORAT | 1228 | 0% | 1% | 1 |
| 9 | PHYS BUNKYO KU | 1180 | 0% | 1% | 1 |
| 10 | EXPTL PHYS | 830 | 1% | 0% | 2 |
Journals |
| Rank | Term | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
|---|---|---|---|---|---|
| 1 | SOVIET PHYSICS SEMICONDUCTORS-USSR | 45268 | 16% | 1% | 53 |
| 2 | OPTICAL AND QUANTUM ELECTRONICS | 7309 | 5% | 0% | 18 |
| 3 | JETP LETTERS | 6043 | 8% | 0% | 28 |
| 4 | SEMICONDUCTOR SCIENCE AND TECHNOLOGY | 4053 | 6% | 0% | 19 |
| 5 | INFRARED PHYSICS & TECHNOLOGY | 3936 | 3% | 0% | 10 |
| 6 | INFRARED PHYSICS | 3127 | 2% | 1% | 6 |
| 7 | INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 3079 | 3% | 0% | 11 |
| 8 | SEMICONDUCTORS | 2236 | 4% | 0% | 13 |
| 9 | PISMA V ZHURNAL TEKHNICHESKOI FIZIKI | 2148 | 3% | 0% | 11 |
| 10 | PHYSICA B & C | 1106 | 2% | 0% | 7 |
Author Key Words |
| Rank | Term | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | ABSOLUTE NEGATIVE RESISTANCE | 89809 | 0% | 100% | 1 | Search ABSOLUTE+NEGATIVE+RESISTANCE | Search ABSOLUTE+NEGATIVE+RESISTANCE |
| 2 | CLOSED CYCLE MACHINE | 89809 | 0% | 100% | 1 | Search CLOSED+CYCLE+MACHINE | Search CLOSED+CYCLE+MACHINE |
| 3 | P GE HOT HOLE LASER | 89809 | 0% | 100% | 1 | Search P+GE+HOT+HOLE+LASER | Search P+GE+HOT+HOLE+LASER |
| 4 | P GE LASER | 89809 | 0% | 100% | 1 | Search P+GE+LASER | Search P+GE+LASER |
| 5 | P GE TERAHERTZ LASER | 89809 | 0% | 100% | 1 | Search P+GE+TERAHERTZ+LASER | Search P+GE+TERAHERTZ+LASER |
| 6 | PIEZOELECTRIC SCATTERING | 89809 | 0% | 100% | 1 | Search PIEZOELECTRIC+SCATTERING | Search PIEZOELECTRIC+SCATTERING |
| 7 | SOLID STATE SOURCES | 89809 | 0% | 100% | 1 | Search SOLID+STATE+SOURCES | Search SOLID+STATE+SOURCES |
| 8 | SPACE SPECTROSCOPY | 89809 | 0% | 100% | 1 | Search SPACE+SPECTROSCOPY | Search SPACE+SPECTROSCOPY |
| 9 | SUBMILLIMETER WAVE RESONATORS | 89809 | 0% | 100% | 1 | Search SUBMILLIMETER+WAVE+RESONATORS | Search SUBMILLIMETER+WAVE+RESONATORS |
| 10 | TERAHERTZ GERMANIUM LASER | 89809 | 0% | 100% | 1 | Search TERAHERTZ+GERMANIUM+LASER | Search TERAHERTZ+GERMANIUM+LASER |
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. |
| Rank | Reference | # ref. in cl. |
Shr. of ref. in cl. |
Citations |
|---|---|---|---|---|
| 1 | HUBERS, HW , PAVLOV, SG , SHASTIN, VN , (2005) TERAHERTZ LASERS BASED ON GERMANIUM AND SILICON.SEMICONDUCTOR SCIENCE AND TECHNOLOGY. VOL. 20. ISSUE 7. P. S211-S221 | 35 | 59% | 58 |
| 2 | PEALE, RE , DOLGUIKH, MV , MURAVJOV, AV , (2007) INTER-VALENCE-BAND HOT HOLE LASER IN TWO-DIMENSIONAL DELTA-DOPED HOMOEPITAXIAL SEMICONDUCTOR STRUCTURES.JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS. VOL. 2. ISSUE 1. P. 51-57 | 19 | 95% | 0 |
| 3 | NELSON, EW , DOLGUIKH, MV , MURAVJOV, AV , FLITSIYAN, ES , DU BOSQ, TW , PEALE, RE , KLECKLEY, SH , FREDRICKSEN, CJ , VERNETSON, WG , (2004) NEUTRON TRANSMUTATION DOPED FAR-INFRARED P-GE LASER.JOURNAL OF APPLIED PHYSICS. VOL. 96. ISSUE 1. P. 1-6 | 21 | 91% | 3 |
| 4 | AUEN, K , HUBERS, HW , MURAVJOV, A , ORLOVA, E , PAVLOV, S , SHASTIN, V , ZHUKAVIN, R , (2001) INFLUENCE OF GROUP II AND III SHALLOW ACCEPTERS ON THE GAIN OF P-GE LASERS.PHYSICA B-CONDENSED MATTER. VOL. 302. ISSUE . P. 334 -341 | 22 | 96% | 2 |
| 5 | KOMIYAMA, S , KURODA, S , HOSAKO, I , AKASAKA, Y , IIZUKA, N , (1991) GERMANIUM LASERS IN THE RANGE FROM FAR-INFRARED TO MILLIMETER WAVES.OPTICAL AND QUANTUM ELECTRONICS. VOL. 23. ISSUE . P. S133-S162 | 26 | 100% | 10 |
| 6 | ANDRONOV, AA , (1987) HOT-ELECTRONS IN SEMICONDUCTORS AND SUBMILLIMETER WAVES (REVIEW).SOVIET PHYSICS SEMICONDUCTORS-USSR. VOL. 21. ISSUE 7. P. 701-721 | 38 | 81% | 29 |
| 7 | BRUNDERMANN, E , CHAMBERLIN, DR , HALLER, EE , (1999) NOVEL DESIGN CONCEPTS OF WIDELY TUNABLE GERMANIUM TERAHERTZ LASERS.INFRARED PHYSICS & TECHNOLOGY. VOL. 40. ISSUE 3. P. 141 -151 | 19 | 90% | 11 |
| 8 | NELSON, EW , WITHERS, SH , MURAVJOV, AV , STRIJBOS, RC , PEALE, RE , PAVLOV, SG , SHASTIN, VN , FREDRICKSEN, CJ , (2001) HIGH-RESOLUTION STUDY OF COMPOSITE CAVITY EFFECTS FOR P-GE LASERS.IEEE JOURNAL OF QUANTUM ELECTRONICS. VOL. 37. ISSUE 12. P. 1525-1530 | 14 | 100% | 4 |
| 9 | MURAVJOV, AV , SAXENA, H , PEALE, RE , FREDRICKSEN, CJ , EDWARDS, O , SHASTIN, VN , (2008) INJECTION-SEEDED INTERNAL-REFLECTION-MODE P-GE LASER EXCEEDS 10 W PEAK TERAHERTZ POWER.JOURNAL OF APPLIED PHYSICS. VOL. 103. ISSUE 8. P. - | 13 | 87% | 2 |
| 10 | GORNIK, E , UNTERRAINER, K , KREMSER, C , (1991) TUNABLE FAR-INFRARED SOLID-STATE LASERS BASED ON HOT HOLES IN GERMANIUM.OPTICAL AND QUANTUM ELECTRONICS. VOL. 23. ISSUE . P. S267-S286 | 21 | 95% | 11 |
Classes with closest relation at Level 1 |