Class information for:
Level 1: PHOTONIC CRYSTAL//PHOTONIC BAND GAP//INVERSE OPAL

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
8 4 POLYMER SCIENCE//CHEMISTRY, PHYSICAL//MATERIALS SCIENCE, MULTIDISCIPLINARY 1554940
54 3       PHOTONIC CRYSTAL//OPTICS//METAMATERIALS 95723
558 2             PHOTONIC CRYSTAL//PHOTONIC BAND GAP//PHOTONIC CRYSTAL WAVEGUIDE 15030
468 1                   PHOTONIC CRYSTAL//PHOTONIC BAND GAP//INVERSE OPAL 3443

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHOTONIC CRYSTAL authKW 826290 19% 14% 646
2 PHOTONIC BAND GAP authKW 414609 6% 22% 206
3 INVERSE OPAL authKW 146697 2% 26% 61
4 OPAL authKW 120786 2% 23% 57
5 SPONTANEOUS EMISSION authKW 113628 2% 16% 77
6 PLANE WAVE EXPANSION METHOD authKW 109167 1% 31% 38
7 OPALS authKW 107558 1% 49% 24
8 ARTIFICIAL OPAL authKW 70293 0% 59% 13
9 METALLIC PHOTONIC CRYSTAL authKW 67800 0% 44% 17
10 ANISOTROPIC TELLURIUM authKW 64064 0% 100% 7

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 15185 28% 0% 974
2 Physics, Condensed Matter 6637 24% 0% 834
3 Physics, Applied 5154 27% 0% 918
4 Physics, Multidisciplinary 2099 13% 0% 438
5 Nanoscience & Nanotechnology 1604 8% 0% 287
6 Materials Science, Multidisciplinary 1430 17% 0% 597
7 Physics, Mathematical 322 3% 0% 117
8 Materials Science, Ceramics 280 2% 0% 74
9 Physics, Fluids & Plasmas 192 2% 0% 82
10 Engineering, Electrical & Electronic 164 7% 0% 236

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 R ID PROTOTYPING ENGN 45760 0% 100% 5
2 MINIST EDUC ADV MAT YUNNAN PROV 29285 0% 80% 4
3 SCI MATH PHYS BUNKYO KU 27456 0% 100% 3
4 ADV MAT RARE PRECIOUS NONFERROUS MET 20065 0% 17% 13
5 GRP ELE OMAGNETISME PL 19061 0% 42% 5
6 URA 022 CNRS 18304 0% 100% 2
7 COMPLEX PHOTON SYST COPS 15579 0% 15% 11
8 ELE OMAGNET THEORY 15371 1% 7% 25
9 ADV MAT YUNNAN PROVMINIST EDUC 13725 0% 50% 3
10 OPT ELE OMAGNET 13394 1% 4% 40

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS 12350 1% 5% 27
2 JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 6660 3% 1% 91
3 BULLETIN OF THE LEBEDEV PHYSICS INSTITUTE 5611 1% 3% 20
4 JOURNAL OF MODERN OPTICS 4617 2% 1% 58
5 PHYSICAL REVIEW B 4604 9% 0% 304
6 JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS 3533 1% 1% 29
7 ADVANCED MATERIALS 3258 2% 1% 73
8 OPTICS COMMUNICATIONS 3171 3% 0% 98
9 APPLIED PHYSICS LETTERS 3149 6% 0% 205
10 PHYSICS OF THE SOLID STATE 2854 2% 1% 52

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PHOTONIC CRYSTAL 826290 19% 14% 646 Search PHOTONIC+CRYSTAL Search PHOTONIC+CRYSTAL
2 PHOTONIC BAND GAP 414609 6% 22% 206 Search PHOTONIC+BAND+GAP Search PHOTONIC+BAND+GAP
3 INVERSE OPAL 146697 2% 26% 61 Search INVERSE+OPAL Search INVERSE+OPAL
4 OPAL 120786 2% 23% 57 Search OPAL Search OPAL
5 SPONTANEOUS EMISSION 113628 2% 16% 77 Search SPONTANEOUS+EMISSION Search SPONTANEOUS+EMISSION
6 PLANE WAVE EXPANSION METHOD 109167 1% 31% 38 Search PLANE+WAVE+EXPANSION+METHOD Search PLANE+WAVE+EXPANSION+METHOD
7 OPALS 107558 1% 49% 24 Search OPALS Search OPALS
8 ARTIFICIAL OPAL 70293 0% 59% 13 Search ARTIFICIAL+OPAL Search ARTIFICIAL+OPAL
9 METALLIC PHOTONIC CRYSTAL 67800 0% 44% 17 Search METALLIC+PHOTONIC+CRYSTAL Search METALLIC+PHOTONIC+CRYSTAL
10 ANISOTROPIC TELLURIUM 64064 0% 100% 7 Search ANISOTROPIC+TELLURIUM Search ANISOTROPIC+TELLURIUM

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 36376 AUTOCLONING//PHOTON LATTICE INC//TA2O5 SIO2
2 7415 SINGLE NEGATIVE MATERIALS//PLASMA PHOTONIC CRYSTALS//OMNIDIRECTIONAL REFLECTION
3 4269 COLLOIDAL CRYSTALS//NANOSPHERE LITHOGRAPHY//BINARY COLLOIDAL CRYSTALS
4 29587 SLOW PHOTONS//SLOW PHOTON//INVERSE OPAL
5 1213 PHOTONIC CRYSTAL//PHOTONIC CRYSTAL WAVEGUIDE//SLOW LIGHT
6 12399 HOLOGRAPHIC LITHOGRAPHY//INTERFERENCE LITHOGRAPHY//LASER INTERFERENCE METALLURGY
7 7634 STRUCTURAL COLOR//PHOTONIC CRYSTAL//CRYSTALLINE COLLOIDAL ARRAYS
8 38702 SUPRAMOLECULAR CRYSTALLIZATION//NOBLE OPAL//PRECIOUS OPAL
9 4171 PHOTONIC CRYSTAL//PHOTONIC CRYSTAL CAVITY//NANOCAVITY
10 10172 GAP SOLITONS//NONLINEAR BRAGG GRATINGS//BRAGG GRATING SOLITONS

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