Class information for:
Level 1: SOCIOTECHNO SCI TECHNOL//MAT STUDY TESTING//NAT MAT STUDY TESTING

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
19124 1                   SOCIOTECHNO SCI TECHNOL//MAT STUDY TESTING//NAT MAT STUDY TESTING 543

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOCIOTECHNO SCI TECHNOL address 438927 2% 69% 11
2 MAT STUDY TESTING address 127797 3% 16% 14
3 NAT MAT STUDY TESTING address 116082 0% 100% 2
4 PHOTO ENHANCED WET ETCHING authKW 116082 0% 100% 2
5 SEMICOND TECHNOL SCI address 116082 0% 100% 2
6 SEMICONDUCTOR MEMBRANES authKW 116082 0% 100% 2
7 TWO BODY INTERATOMIC POTENTIAL authKW 116082 0% 100% 2
8 PHOTOELECTROCHEMICAL ETCHING authKW 101561 1% 25% 7
9 GAN authKW 96983 17% 2% 92
10 N GAN authKW 90838 1% 26% 6

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Applied 6137 67% 0% 364
2 Materials Science, Coatings & Films 2921 17% 0% 92
3 Engineering, Electrical & Electronic 792 24% 0% 131
4 Materials Science, Multidisciplinary 773 29% 0% 155
5 Physics, Condensed Matter 744 21% 0% 113
6 Nanoscience & Nanotechnology 378 10% 0% 54
7 Electrochemistry 153 5% 0% 28
8 Physics, Multidisciplinary 9 4% 0% 20
9 Crystallography 7 2% 0% 9
10 Microscopy 3 0% 0% 2

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOCIOTECHNO SCI TECHNOL 438927 2% 69% 11
2 MAT STUDY TESTING 127797 3% 16% 14
3 NAT MAT STUDY TESTING 116082 0% 100% 2
4 SEMICOND TECHNOL SCI 116082 0% 100% 2
5 COBRA INTERUNIV COMMUN TECHNOL 84418 1% 36% 4
6 ELECT ENGN NANOTECHNOL 70764 2% 12% 10
7 ABT OPRTOELEKTRON 58041 0% 100% 1
8 ARMAMENT TECH PROD 58041 0% 100% 1
9 CHUNG CHENG TEHNOL 58041 0% 100% 1
10 DOT METR TECHNOL 58041 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MRS INTERNET JOURNAL OF NITRIDE SEMICONDUCTOR RESEARCH 29746 3% 3% 16
2 JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A 7142 8% 0% 42
3 JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B 3955 6% 0% 34
4 JOURNAL OF ELECTRONIC MATERIALS 2957 4% 0% 23
5 GEC JOURNAL OF TECHNOLOGY 2320 0% 4% 1
6 SOLID-STATE ELECTRONICS 2072 3% 0% 19
7 MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY 1997 3% 0% 16
8 APPLIED PHYSICS LETTERS 1935 11% 0% 62
9 SEMICONDUCTOR SCIENCE AND TECHNOLOGY 1373 3% 0% 14
10 JAPANESE JOURNAL OF APPLIED PHYSICS 1244 3% 0% 19

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PHOTO ENHANCED WET ETCHING 116082 0% 100% 2 Search PHOTO+ENHANCED+WET+ETCHING Search PHOTO+ENHANCED+WET+ETCHING
2 SEMICONDUCTOR MEMBRANES 116082 0% 100% 2 Search SEMICONDUCTOR+MEMBRANES Search SEMICONDUCTOR+MEMBRANES
3 TWO BODY INTERATOMIC POTENTIAL 116082 0% 100% 2 Search TWO+BODY+INTERATOMIC+POTENTIAL Search TWO+BODY+INTERATOMIC+POTENTIAL
4 PHOTOELECTROCHEMICAL ETCHING 101561 1% 25% 7 Search PHOTOELECTROCHEMICAL+ETCHING Search PHOTOELECTROCHEMICAL+ETCHING
5 GAN 96983 17% 2% 92 Search GAN Search GAN
6 N GAN 90838 1% 26% 6 Search N+GAN Search N+GAN
7 GALLIUM HYDROXIDE 77386 0% 67% 2 Search GALLIUM+HYDROXIDE Search GALLIUM+HYDROXIDE
8 TWICE DEPOSITED MASK 77386 0% 67% 2 Search TWICE+DEPOSITED+MASK Search TWICE+DEPOSITED+MASK
9 DRY ETCHING 60895 4% 5% 22 Search DRY+ETCHING Search DRY+ETCHING
10 1100 PLANE 58041 0% 100% 1 Search 1100+PLANE Search 1100+PLANE

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 10609 OHMIC CONTACT//P GAN//P TYPE GAN
2 22197 DISORDER ACCUMULATION//PIXE CHANNELING//SB DOPED GE
3 6201 FUJIMI KU//JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B//DRY ETCHING
4 28566 NISHI YODOGAWA KU//MEMS NANOTECHNOL EXCHANGE//FLETCHER
5 26023 ALGAN GAN HBT//BULK GALLIUM NITRIDE GAN//BULK GAN SUBSTRATES
6 16964 POROUS INP//POROUS SIC//LOW DIMENS SEMICOND STRUCT
7 1789 LIGHT EXTRACTION EFFICIENCY//LIGHT EXTRACTION//LIGHT EMITTING DIODES
8 1572 GAN//YELLOW LUMINESCENCE//MRS INTERNET JOURNAL OF NITRIDE SEMICONDUCTOR RESEARCH
9 16132 ELECT DEVICES MAT TECHNOL//ETCH MECHANISM//MICROELECT DEVICES MAT TECHNOL
10 662 GAN//HYDRIDE VAPOR PHASE EPITAXY//HVPE

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