Class information for:
Level 1: PERSISTENT LUMINESCENCE//LONG AFTERGLOW//STRONTIUM ALUMINATE

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
108 3       PHOSPHOR//LUMINESCENCE//JOURNAL OF LUMINESCENCE 73214
72 2             PHOSPHOR//LUMINESCENCE//UPCONVERSION 28266
3311 1                   PERSISTENT LUMINESCENCE//LONG AFTERGLOW//STRONTIUM ALUMINATE 2046

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PERSISTENT LUMINESCENCE authKW 1701265 6% 85% 130
2 LONG AFTERGLOW authKW 1443640 5% 92% 102
3 STRONTIUM ALUMINATE authKW 1150641 4% 87% 86
4 AFTERGLOW authKW 874635 6% 44% 129
5 SRAL2O4 authKW 588434 2% 93% 41
6 LONG LASTING PHOSPHORESCENCE authKW 483193 2% 78% 40
7 LONG LASTING PHOSPHOR authKW 463878 2% 94% 32
8 SRAL2O4EU2 DY3 authKW 385627 1% 96% 26
9 LONG AFTERGLOW PHOSPHOR authKW 377350 1% 88% 28
10 PHOSPHOR authKW 347614 15% 8% 301

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Materials Science, Multidisciplinary 5896 39% 0% 795
2 Materials Science, Ceramics 3778 9% 0% 180
3 Optics 3732 19% 0% 384
4 Metallurgy & Metallurgical Engineering 1322 9% 0% 191
5 Physics, Applied 878 16% 0% 326
6 Physics, Condensed Matter 649 11% 0% 231
7 Chemistry, Physical 609 14% 0% 294
8 Chemistry, Applied 413 5% 0% 102
9 Materials Science, Coatings & Films 335 3% 0% 69
10 Chemistry, Inorganic & Nuclear 235 5% 0% 99

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 STUDIES PHYS ASTROPHYS 206310 2% 31% 43
2 OBSERVAT CONTROL TECHNOL 200230 1% 100% 13
3 PHYS OPTOELECT ENGN 94295 6% 5% 118
4 MAT SUR ES MATSURF 90777 1% 24% 25
5 LUMI 62859 1% 19% 21
6 RADIAT SCI TECHNOL FAME RST 48129 0% 63% 5
7 LUMINESCENCE MAT GRP 44797 0% 36% 8
8 DATING 43612 1% 17% 17
9 INORGAN NONMETALL MAT HEBEI PROV 38501 0% 50% 5
10 NEW TEXT MAT 34654 0% 75% 3

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF LUMINESCENCE 37059 9% 1% 174
2 JOURNAL OF RARE EARTHS 29621 4% 2% 90
3 OPTICAL MATERIALS 19471 5% 1% 93
4 OPTICAL MATERIALS EXPRESS 10813 2% 2% 37
5 JOURNAL OF ALLOYS AND COMPOUNDS 6225 7% 0% 133
6 JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS 3782 2% 1% 49
7 LUMINESCENCE 3272 1% 1% 19
8 MATERIALS RESEARCH BULLETIN 3254 2% 0% 50
9 JOURNAL OF MATERIALS CHEMISTRY C 2940 2% 1% 34
10 ECS SOLID STATE LETTERS 2730 0% 2% 8

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PERSISTENT LUMINESCENCE 1701265 6% 85% 130 Search PERSISTENT+LUMINESCENCE Search PERSISTENT+LUMINESCENCE
2 LONG AFTERGLOW 1443640 5% 92% 102 Search LONG+AFTERGLOW Search LONG+AFTERGLOW
3 STRONTIUM ALUMINATE 1150641 4% 87% 86 Search STRONTIUM+ALUMINATE Search STRONTIUM+ALUMINATE
4 AFTERGLOW 874635 6% 44% 129 Search AFTERGLOW Search AFTERGLOW
5 SRAL2O4 588434 2% 93% 41 Search SRAL2O4 Search SRAL2O4
6 LONG LASTING PHOSPHORESCENCE 483193 2% 78% 40 Search LONG+LASTING+PHOSPHORESCENCE Search LONG+LASTING+PHOSPHORESCENCE
7 LONG LASTING PHOSPHOR 463878 2% 94% 32 Search LONG+LASTING+PHOSPHOR Search LONG+LASTING+PHOSPHOR
8 SRAL2O4EU2 DY3 385627 1% 96% 26 Search SRAL2O4EU2+DY3 Search SRAL2O4EU2+DY3
9 LONG AFTERGLOW PHOSPHOR 377350 1% 88% 28 Search LONG+AFTERGLOW+PHOSPHOR Search LONG+AFTERGLOW+PHOSPHOR
10 PHOSPHOR 347614 15% 8% 301 Search PHOSPHOR Search PHOSPHOR

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 81 PHOSPHOR//WHITE LED//LUMINESCENCE
2 11665 MECHANOLUMINESCENCE//TRIBOLUMINESCENCE//TRIBOEMISSION
3 11696 BAMGAL10O17EU2//YBO3EU3//PHOSPHOR
4 19424 ZNGA2O4//ZINC GALLATE//OXIDE PHOSPHOR
5 15707 CATIO3PR3//CATIO3//INCTMN
6 20960 LAYERED RARE EARTH HYDROXIDE//GD2O2STB3//UREA AMMONIUM SULFATE UAS SYSTEM
7 35261 SR2CEO4//SR2CEO4EU3//SR2CEO4 PHOSPHOR
8 23472 MN4//MN4 ION//RED PHOSPHOR
9 21516 ZN2SIO4//ZINC SILICATE//ZN2SIO4MN2
10 26085 MELILITE//SRLAGA3O7//CA2ZNSI2O7

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