Class information for:
Level 1: AMMONOTHERMAL CRYSTAL GROWTH//AMMONOTHERMAL GROWTH//BULK GAN

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
18453 1                   AMMONOTHERMAL CRYSTAL GROWTH//AMMONOTHERMAL GROWTH//BULK GAN 576

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 AMMONOTHERMAL CRYSTAL GROWTH authKW 1313172 4% 100% 24
2 AMMONOTHERMAL GROWTH authKW 752983 3% 81% 17
3 BULK GAN authKW 607932 3% 56% 20
4 HIGH PRESSURE GROWTH FROM SOLUTION authKW 601870 2% 100% 11
5 AMMONOTHERMAL authKW 487455 2% 64% 14
6 NA FLUX METHOD authKW 369325 2% 75% 9
7 GAN SINGLE CRYSTALS authKW 335131 1% 88% 7
8 SOLID STATE LIGHTING ENERGY ELECT address 335131 1% 88% 7
9 THE AMMONOTHERMAL TECHNIQUE authKW 218862 1% 100% 4
10 GAN CRYSTAL authKW 195410 1% 71% 5

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Crystallography 13983 42% 0% 240
2 Physics, Applied 5449 62% 0% 355
3 Materials Science, Multidisciplinary 3742 56% 0% 324
4 Physics, Condensed Matter 142 10% 0% 59
5 Thermodynamics 102 4% 0% 23
6 Materials Science, Ceramics 43 2% 0% 12
7 Physics, Multidisciplinary 15 4% 0% 24
8 Engineering, Chemical 12 3% 0% 20
9 Mechanics 8 2% 0% 14
10 Materials Science, Characterization, Testing 5 1% 0% 3

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOLID STATE LIGHTING ENERGY ELECT 335131 1% 88% 7
2 ADV NITRIDE TECHNOL CANTECH 151983 1% 56% 5
3 PROC MACHINERY SYST ENGN 130338 2% 26% 9
4 ERATO JST UCSB GRP 123108 1% 75% 3
5 HIGH P SURE 90742 7% 4% 38
6 JST UCSB GRP 82070 1% 50% 3
7 LED MAT 72949 1% 33% 4
8 ELECT ELECT INFORMAT ENGN 62054 8% 3% 45
9 ELE OMAGNET MAT SNHX 54715 0% 100% 1
10 GEE UMWELTNAT WISSEN 54715 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF CRYSTAL GROWTH 72054 35% 1% 203
2 MRS INTERNET JOURNAL OF NITRIDE SEMICONDUCTOR RESEARCH 10945 2% 2% 10
3 APPLIED PHYSICS EXPRESS 5666 3% 1% 20
4 JAPANESE JOURNAL OF APPLIED PHYSICS 2386 5% 0% 27
5 PHYSICS AND CHEMISTRY OF THE EARTH/DELTA 2103 0% 4% 1
6 JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS 1603 3% 0% 19
7 CRYSTAL RESEARCH AND TECHNOLOGY 1386 2% 0% 13
8 CRYSTAL GROWTH & DESIGN 1175 2% 0% 14
9 PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE 830 3% 0% 18
10 PROGRESS IN CRYSTAL GROWTH AND CHARACTERIZATION OF MATERIALS 758 1% 0% 3

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 AMMONOTHERMAL CRYSTAL GROWTH 1313172 4% 100% 24 Search AMMONOTHERMAL+CRYSTAL+GROWTH Search AMMONOTHERMAL+CRYSTAL+GROWTH
2 AMMONOTHERMAL GROWTH 752983 3% 81% 17 Search AMMONOTHERMAL+GROWTH Search AMMONOTHERMAL+GROWTH
3 BULK GAN 607932 3% 56% 20 Search BULK+GAN Search BULK+GAN
4 HIGH PRESSURE GROWTH FROM SOLUTION 601870 2% 100% 11 Search HIGH+PRESSURE+GROWTH+FROM+SOLUTION Search HIGH+PRESSURE+GROWTH+FROM+SOLUTION
5 AMMONOTHERMAL 487455 2% 64% 14 Search AMMONOTHERMAL Search AMMONOTHERMAL
6 NA FLUX METHOD 369325 2% 75% 9 Search NA+FLUX+METHOD Search NA+FLUX+METHOD
7 GAN SINGLE CRYSTALS 335131 1% 88% 7 Search GAN+SINGLE+CRYSTALS Search GAN+SINGLE+CRYSTALS
8 THE AMMONOTHERMAL TECHNIQUE 218862 1% 100% 4 Search THE+AMMONOTHERMAL+TECHNIQUE Search THE+AMMONOTHERMAL+TECHNIQUE
9 GAN CRYSTAL 195410 1% 71% 5 Search GAN+CRYSTAL Search GAN+CRYSTAL
10 NITRIDES 189771 21% 3% 119 Search NITRIDES Search NITRIDES

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 1572 GAN//YELLOW LUMINESCENCE//MRS INTERNET JOURNAL OF NITRIDE SEMICONDUCTOR RESEARCH
3 21984 MAT SCI PL//NANOSIMULAT//FIST ORDER
4 11995 GALLIUM NITRIDE//GAN0001//CAICISS
5 4492 SEMIPOLAR//NONPOLAR//A PLANE GAN
6 2678 GAN NANOWIRES//GAN NANORODS//GAN
7 26023 ALGAN GAN HBT//BULK GALLIUM NITRIDE GAN//BULK GAN SUBSTRATES
8 26759 MOSCOW ELECT ENGN//AIII NITRIDES//AND PLATINUM
9 4510 ALGAN//SEMICONDUCTING ALUMINUM COMPOUNDS//ALN
10 11514 CUBIC GAN//FB PHYS 6//HEXAGONAL GAN

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