Class information for:
Level 1: ALUMINUM NITRIDE//ALN THIN FILM//ALN FILM

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
3138 2             ALUMINUM NITRIDE//FBAR//ALN FILM 2421
5459 1                   ALUMINUM NITRIDE//ALN THIN FILM//ALN FILM 1652

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ALUMINUM NITRIDE authKW 1300327 18% 23% 293
2 ALN THIN FILM authKW 504528 2% 73% 36
3 ALN FILM authKW 475627 2% 64% 39
4 ALN authKW 415293 9% 15% 147
5 ALUMINUM NITRIDE THIN FILMS authKW 152610 0% 100% 8
6 PHYS MILIEUX IONISES PLICAT address 122877 2% 26% 25
7 AIN FILM authKW 110363 1% 64% 9
8 UMR 7040 address 102938 1% 23% 23
9 ALUMINUM NITRIDE ALN authKW 99068 1% 26% 20
10 AIN authKW 96106 2% 14% 35

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Materials Science, Coatings & Films 16914 23% 0% 383
2 Physics, Applied 16181 63% 0% 1035
3 Materials Science, Multidisciplinary 4762 39% 0% 642
4 Physics, Condensed Matter 3093 24% 0% 395
5 Engineering, Electrical & Electronic 693 14% 0% 237
6 Acoustics 473 4% 0% 58
7 Nanoscience & Nanotechnology 269 5% 0% 89
8 Materials Science, Ceramics 224 3% 0% 44
9 Crystallography 166 3% 0% 55
10 Instruments & Instrumentation 121 4% 0% 59

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHYS MILIEUX IONISES PLICAT 122877 2% 26% 25
2 UMR 7040 102938 1% 23% 23
3 ON SITE SENSING DIAG 64371 1% 38% 9
4 IT COMPONENTS 57229 0% 100% 3
5 ON SITE SENSING DIAGNOSIS 39736 0% 42% 5
6 COMPOUND SEMICOND MICROSYST 38153 0% 100% 2
7 GRP MICROSISTEMAS MAT ELE ON 38153 0% 100% 2
8 ORG IND ABORAT INTELLECTUAL PROPERTY 38153 0% 100% 2
9 SFB 254 38153 0% 100% 2
10 TELE FILTER 38153 0% 100% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 THIN SOLID FILMS 11415 9% 0% 149
2 DIAMOND AND RELATED MATERIALS 8912 4% 1% 59
3 IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL 7070 3% 1% 46
4 JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A 6646 4% 1% 71
5 SURFACE & COATINGS TECHNOLOGY 2886 3% 0% 56
6 APPLIED SURFACE SCIENCE 2527 4% 0% 71
7 APPLIED PHYSICS LETTERS 2380 7% 0% 122
8 VACUUM 2343 2% 0% 35
9 JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 1768 3% 0% 55
10 JOURNAL OF APPLIED PHYSICS 1668 6% 0% 101

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ALUMINUM NITRIDE 1300327 18% 23% 293 Search ALUMINUM+NITRIDE Search ALUMINUM+NITRIDE
2 ALN THIN FILM 504528 2% 73% 36 Search ALN+THIN+FILM Search ALN+THIN+FILM
3 ALN FILM 475627 2% 64% 39 Search ALN+FILM Search ALN+FILM
4 ALN 415293 9% 15% 147 Search ALN Search ALN
5 ALUMINUM NITRIDE THIN FILMS 152610 0% 100% 8 Search ALUMINUM+NITRIDE+THIN+FILMS Search ALUMINUM+NITRIDE+THIN+FILMS
6 AIN FILM 110363 1% 64% 9 Search AIN+FILM Search AIN+FILM
7 ALUMINUM NITRIDE ALN 99068 1% 26% 20 Search ALUMINUM+NITRIDE+ALN Search ALUMINUM+NITRIDE+ALN
8 AIN 96106 2% 14% 35 Search AIN Search AIN
9 SCALN 95381 0% 100% 5 Search SCALN Search SCALN
10 Y 128 DEGREES LINBO3 95381 0% 100% 5 Search Y+128+DEGREES+LINBO3 Search Y+128+DEGREES+LINBO3

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 16799 FBAR//FILM BULK ACOUSTIC RESONATOR//FILM BULK ACOUSTIC RESONATOR FBAR
2 6918 ALUMINUM NITRIDE//ALN POWDER//ALN CERAMICS
3 26661 SCANDIUM NITRIDE//YN//SCGAN
4 16059 LIGAO2//AMORPHOUS GAN//ZNO SUBSTRATE
5 4510 ALGAN//SEMICONDUCTING ALUMINUM COMPOUNDS//ALN
6 11002 IEEE TRANSACTIONS ON SONICS AND ULTRASONICS//UNIDIRECTIONAL TRANSDUCER//SAW
7 17217 MESOSCOP LOW DIMENS PHYS//ACOUSTOELECTRIC EFFECTS//LEHRSTUHL EXPT PHYS 1
8 24155 SILYLHYDRAZINES//TERTIARYBUTYLHYDRAZINE//1 3 DIAZA 2 SILACYCLOPENTANE
9 11514 CUBIC GAN//FB PHYS 6//HEXAGONAL GAN
10 5232 SAW SENSOR//SURFACE ACOUSTIC WAVE//LOVE WAVE

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