Class information for:
Level 3: GAN//GALLIUM NITRIDE//NITRIDES

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
1234 2             ELECTRONIC NOSE//ELECTRONIC TONGUE//SENSORS AND ACTUATORS B-CHEMICAL 9324
2074 2             INITIAL STRESS//IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL//PIEZOELECT DEVICE 5627
3138 2             ALUMINUM NITRIDE//FBAR//ALN FILM 2421

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GAN authKW 1708788 7% 76% 3850
2 GALLIUM NITRIDE authKW 451019 2% 70% 1101
3 NITRIDES authKW 437706 3% 43% 1753
4 INGAN authKW 424897 2% 87% 835
5 ALGAN authKW 318050 1% 86% 637
6 PHYSICS, APPLIED WoSSC 296276 48% 2% 25761
7 ELECTRONIC NOSE authKW 289565 2% 59% 844
8 ALGAN GAN authKW 219711 1% 88% 427
9 MRS INTERNET JOURNAL OF NITRIDE SEMICONDUCTOR RESEARCH journal 196419 1% 82% 410
10 GALLIUM COMPOUNDS authKW 184054 1% 45% 700

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Applied 296276 48% 2% 25761
2 Physics, Condensed Matter 59806 19% 1% 10218
3 Materials Science, Multidisciplinary 47633 23% 1% 12592
4 Engineering, Electrical & Electronic 34123 17% 1% 9119
5 Crystallography 23071 6% 2% 3303
6 Instruments & Instrumentation 17958 7% 1% 3526
7 Acoustics 15069 3% 2% 1871
8 Electrochemistry 14013 5% 1% 2679
9 Nanoscience & Nanotechnology 10948 6% 1% 3169
10 Chemistry, Analytical 10682 8% 1% 4048

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CRHEA 97495 1% 57% 292
2 SEMICOND 81451 2% 14% 1055
3 AKASAKI 70220 0% 95% 127
4 MICROELECT 61065 3% 8% 1394
5 STATE ARTIFICIAL MICROSTRUCT MESOSCOP P 54892 0% 40% 238
6 SEMICOND SCI TECHNOL 45637 0% 43% 181
7 ADV OPTOELECT TECHNOL 43994 1% 20% 376
8 NANODEVICE SYST 39341 0% 75% 90
9 RECH HETEROEPITAXIE PLICAT 39092 0% 66% 101
10 NITRIDE SEMICOND 38146 0% 87% 75

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MRS INTERNET JOURNAL OF NITRIDE SEMICONDUCTOR RESEARCH 196419 1% 82% 410
2 APPLIED PHYSICS LETTERS 163299 11% 5% 5685
3 JOURNAL OF CRYSTAL GROWTH 147387 5% 9% 2852
4 SENSORS AND ACTUATORS B-CHEMICAL 67412 3% 8% 1545
5 IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL 61163 1% 14% 777
6 PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE 58363 3% 7% 1464
7 APPLIED PHYSICS EXPRESS 49842 1% 15% 578
8 JOURNAL OF APPLIED PHYSICS 44411 6% 3% 2992
9 JAPANESE JOURNAL OF APPLIED PHYSICS 40778 2% 7% 1095
10 IEEE ELECTRON DEVICE LETTERS 31485 1% 8% 721

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 GAN 1708788 7% 76% 3850 Search GAN Search GAN
2 GALLIUM NITRIDE 451019 2% 70% 1101 Search GALLIUM+NITRIDE Search GALLIUM+NITRIDE
3 NITRIDES 437706 3% 43% 1753 Search NITRIDES Search NITRIDES
4 INGAN 424897 2% 87% 835 Search INGAN Search INGAN
5 ALGAN 318050 1% 86% 637 Search ALGAN Search ALGAN
6 ELECTRONIC NOSE 289565 2% 59% 844 Search ELECTRONIC+NOSE Search ELECTRONIC+NOSE
7 ALGAN GAN 219711 1% 88% 427 Search ALGAN+GAN Search ALGAN+GAN
8 GALLIUM COMPOUNDS 184054 1% 45% 700 Search GALLIUM+COMPOUNDS Search GALLIUM+COMPOUNDS
9 LIGHT EMITTING DIODES 178807 2% 28% 1109 Search LIGHT+EMITTING+DIODES Search LIGHT+EMITTING+DIODES
10 INN 154035 1% 89% 297 Search INN Search INN

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 3


rank cluster_id2 link
1 521 SILICON CARBIDE//4H SIC//SIC
2 214 ZNO//ZINC OXIDE//GAS SENSOR
3 64 SEMICONDUCTOR LASERS//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER
4 553 BETA FESI2//SILICIDES//ERBIUM
5 519 TERAHERTZ//TERAHERTZ TIME DOMAIN SPECTROSCOPY//TERAHERTZ SPECTROSCOPY
6 390 SENSORS AND ACTUATORS A-PHYSICAL//JOURNAL OF MICROELECTROMECHANICAL SYSTEMS//MEMS
7 215 JOURNAL OF CRYSTAL GROWTH//HGCDTE//SOVIET PHYSICS SEMICONDUCTORS-USSR
8 481 ULTRASONICS//ACOUSTICS//IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL
9 13 PHYSICS, APPLIED//IEEE TRANSACTIONS ON ELECTRON DEVICES//SILICON
10 515 THERMAL CONDUCTIVITY//THERMAL DIFFUSIVITY//PHONON TRANSPORT

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