Class information for:
Level 1: ALGAN//SEMICONDUCTING ALUMINUM COMPOUNDS//ALN

Basic class information
Bar chart of Publication_year

Last years might be incomplete

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
195 3       GAN//GALLIUM NITRIDE//NITRIDES 53830
22 2             GAN//GALLIUM NITRIDE//INGAN 36458
4510 1                   ALGAN//SEMICONDUCTING ALUMINUM COMPOUNDS//ALN 1805

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ALGAN authKW 556288 9% 21% 154
2 SEMICONDUCTING ALUMINUM COMPOUNDS authKW 406271 3% 48% 48
3 ALN authKW 236619 6% 12% 116
4 NITRIDES authKW 160761 11% 5% 194
5 CERAM OPERAT address 139673 0% 100% 8
6 ALXGA1 XN authKW 123045 1% 41% 17
7 UV CRAFTORY CO LTD address 122214 0% 100% 7
8 GRP HALBLEITERPHYS address 93102 1% 44% 12
9 FERDINAND BRAUN address 87775 2% 13% 40
10 ALUMINUM NITRIDE authKW 73762 4% 6% 73

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Applied 25732 75% 0% 1351
2 Crystallography 6349 16% 0% 294
3 Materials Science, Multidisciplinary 3529 33% 0% 591
4 Physics, Condensed Matter 2217 20% 0% 358
5 Engineering, Electrical & Electronic 147 8% 0% 145
6 Optics 100 5% 0% 83
7 Materials Science, Coatings & Films 86 2% 0% 37
8 Physics, Multidisciplinary 47 4% 0% 75
9 Nanoscience & Nanotechnology 38 3% 0% 48
10 Materials Science, Characterization, Testing 6 0% 0% 7

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CERAM OPERAT 139673 0% 100% 8
2 UV CRAFTORY CO LTD 122214 0% 100% 7
3 GRP HALBLEITERPHYS 93102 1% 44% 12
4 FERDINAND BRAUN 87775 2% 13% 40
5 QUANTUM OPTODEVICE 69836 0% 100% 4
6 ECE CIE 58800 0% 42% 8
7 MAT SCI 6 55924 1% 15% 22
8 QUANTENMATERIE 51510 1% 27% 11
9 AKASAKI 42183 1% 13% 18
10 ANHUI DETECT TECHNOL ENERGY SAVING DEVI 39903 0% 57% 4

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF CRYSTAL GROWTH 39469 15% 1% 267
2 APPLIED PHYSICS EXPRESS 28251 4% 2% 79
3 APPLIED PHYSICS LETTERS 24212 22% 0% 394
4 PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE 8325 6% 0% 100
5 JAPANESE JOURNAL OF APPLIED PHYSICS 4383 4% 0% 65
6 MRS INTERNET JOURNAL OF NITRIDE SEMICONDUCTOR RESEARCH 4212 1% 2% 11
7 JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS 3247 3% 0% 48
8 JOURNAL OF APPLIED PHYSICS 2742 7% 0% 134
9 PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS 1631 2% 0% 44
10 PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS 763 0% 1% 8

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ALGAN 556288 9% 21% 154 Search ALGAN Search ALGAN
2 SEMICONDUCTING ALUMINUM COMPOUNDS 406271 3% 48% 48 Search SEMICONDUCTING+ALUMINUM+COMPOUNDS Search SEMICONDUCTING+ALUMINUM+COMPOUNDS
3 ALN 236619 6% 12% 116 Search ALN Search ALN
4 NITRIDES 160761 11% 5% 194 Search NITRIDES Search NITRIDES
5 ALXGA1 XN 123045 1% 41% 17 Search ALXGA1+XN Search ALXGA1+XN
6 ALUMINUM NITRIDE 73762 4% 6% 73 Search ALUMINUM+NITRIDE Search ALUMINUM+NITRIDE
7 DUV LED 69836 0% 100% 4 Search DUV+LED Search DUV+LED
8 HT MOVPE 69836 0% 100% 4 Search HT+MOVPE Search HT+MOVPE
9 GROWTH FROM VAPOR 64185 2% 10% 37 Search GROWTH+FROM+VAPOR Search GROWTH+FROM+VAPOR
10 ALN SUBSTRATE 54556 0% 63% 5 Search ALN+SUBSTRATE Search ALN+SUBSTRATE

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


rank cluster_id2 link
1 662 GAN//HYDRIDE VAPOR PHASE EPITAXY//HVPE
2 369 INGAN//EFFICIENCY DROOP//LIGHT EMITTING DIODES
3 14486 ALINN//RESONANT CAVITY LIGHT EMITTING DIODES//RESONANT CAVITY LIGHT EMITTING DIODE RCLED
4 10447 ULTRAVIOLET DETECTORS//PHOTODETECTORS//ALGAN
5 4492 SEMIPOLAR//NONPOLAR//A PLANE GAN
6 1572 GAN//YELLOW LUMINESCENCE//MRS INTERNET JOURNAL OF NITRIDE SEMICONDUCTOR RESEARCH
7 11995 GALLIUM NITRIDE//GAN0001//CAICISS
8 5459 ALUMINUM NITRIDE//ALN THIN FILM//ALN FILM
9 21984 MAT SCI PL//NANOSIMULAT//FIST ORDER
10 16972 INGAAS ALASSB//INTERSUBBAND TRANSITION//ACT OPTOGAN

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