Class information for:
Level 1: PHASE CHANGE MEMORY//GE2SB2TE5//PHASE CHANGE MEMORY PCM

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
556 3       CHALCOGENIDE GLASSES//CHALCOGENIDES//PHASE CHANGE MEMORY 18113
1276 2             PHASE CHANGE MEMORY//OPTICAL DISK//GE2SB2TE5 9078
722 1                   PHASE CHANGE MEMORY//GE2SB2TE5//PHASE CHANGE MEMORY PCM 3155

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHASE CHANGE MEMORY authKW 1973021 9% 73% 270
2 GE2SB2TE5 authKW 1044025 4% 93% 112
3 PHASE CHANGE MEMORY PCM authKW 760671 3% 79% 96
4 GE SB TE authKW 623786 2% 87% 72
5 STATE FUNCT MAT INFORMAT address 448033 9% 16% 288
6 PHASE CHANGE MATERIALS authKW 425305 6% 21% 203
7 SHANGHAI MICROSYST INFORMAT TECHNOL address 390338 11% 11% 358
8 ANTIMONY COMPOUNDS authKW 288305 2% 53% 54
9 PCRAM authKW 269130 1% 84% 32
10 PHASE CHANGE OPTICAL DISK authKW 223195 1% 72% 31

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Applied 29150 61% 0% 1923
2 Materials Science, Multidisciplinary 5818 32% 0% 1007
3 Physics, Condensed Matter 4965 22% 0% 698
4 Nanoscience & Nanotechnology 2314 10% 0% 321
5 Materials Science, Coatings & Films 1957 6% 0% 192
6 Engineering, Electrical & Electronic 1032 13% 0% 411
7 Materials Science, Ceramics 792 3% 0% 110
8 Optics 242 5% 0% 162
9 Chemistry, Physical 192 9% 0% 270
10 Metallurgy & Metallurgical Engineering 136 3% 0% 101

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 STATE FUNCT MAT INFORMAT 448033 9% 16% 288
2 SHANGHAI MICROSYST INFORMAT TECHNOL 390338 11% 11% 358
3 PHYS IA 1 218003 1% 53% 41
4 IBM MACRONIX PCRAM JOINT PROJECT 169790 1% 100% 17
5 SHANGHAI NANOFABRICAT TECHNOL MEMORY 132186 0% 88% 15
6 STATE FUNCT MAT INFORMAT NANOTECHNOL LA 100707 0% 92% 11
7 FUNCT SEMICOND FILM ENGN TECHNOL 91302 1% 57% 16
8 SEMICOND MAT DEVICES 89317 1% 31% 29
9 UNITA AGRATE BRIANZA 67130 0% 61% 11
10 MAT SCI ANAL TECHNOL 66578 0% 67% 10

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 17172 7% 1% 233
2 APPLIED PHYSICS LETTERS 10223 11% 0% 344
3 JOURNAL OF APPLIED PHYSICS 6398 9% 0% 269
4 JAPANESE JOURNAL OF APPLIED PHYSICS 4557 3% 1% 88
5 IEEE ELECTRON DEVICE LETTERS 3276 2% 1% 56
6 JOURNAL OF NON-CRYSTALLINE SOLIDS 3133 3% 0% 87
7 IEEE TRANSACTIONS ON ELECTRON DEVICES 2495 2% 0% 64
8 ECS SOLID STATE LETTERS 2236 0% 3% 9
9 JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS 1989 1% 1% 33
10 JOURNAL OF OVONIC RESEARCH 1779 0% 3% 7

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PHASE CHANGE MEMORY 1973021 9% 73% 270 Search PHASE+CHANGE+MEMORY Search PHASE+CHANGE+MEMORY
2 GE2SB2TE5 1044025 4% 93% 112 Search GE2SB2TE5 Search GE2SB2TE5
3 PHASE CHANGE MEMORY PCM 760671 3% 79% 96 Search PHASE+CHANGE+MEMORY+PCM Search PHASE+CHANGE+MEMORY+PCM
4 GE SB TE 623786 2% 87% 72 Search GE+SB+TE Search GE+SB+TE
5 PHASE CHANGE MATERIALS 425305 6% 21% 203 Search PHASE+CHANGE+MATERIALS Search PHASE+CHANGE+MATERIALS
6 ANTIMONY COMPOUNDS 288305 2% 53% 54 Search ANTIMONY+COMPOUNDS Search ANTIMONY+COMPOUNDS
7 PCRAM 269130 1% 84% 32 Search PCRAM Search PCRAM
8 PHASE CHANGE OPTICAL DISK 223195 1% 72% 31 Search PHASE+CHANGE+OPTICAL+DISK Search PHASE+CHANGE+OPTICAL+DISK
9 GERMANIUM COMPOUNDS 218555 2% 34% 65 Search GERMANIUM+COMPOUNDS Search GERMANIUM+COMPOUNDS
10 PHASE CHANGE 211983 6% 11% 187 Search PHASE+CHANGE Search PHASE+CHANGE

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 17838 SUPER RENS//MASTERING//SUPER RESOLUTION NEAR FIELD STRUCTURE
2 25095 WRITE ONCE//DVD R//WRITE STRATEGY
3 36157 AS10GE15TE75 PELLETS//ELECTRICAL FIELD RECORDING//HELIOTECH
4 35750 ARSENIC TELLURIDE//CHARLES GERHARDT ICG//AG6GE2O7
5 1875 CHALCOGENIDE GLASSES//MEYER NELDEL RULE//CHALCOGENIDES
6 5136 CHALCOGENIDE GLASSES//JOURNAL OF NON-CRYSTALLINE SOLIDS//GCR
7 18473 MINI-MICRO SYSTEMS//LARGE TRANSMITTANCE CHANGES//HIGH DENSITY OPTICAL RECORDING FILMS
8 25865 LAND GROOVE RECORDING//DVD PICKUP HEAD//DWDD
9 12255 FLASH TRANSLATION LAYER//NAND FLASH MEMORY//FLASH MEMORY
10 37388 BI SB SOLID SOLUTIONS//DE RTMENT THEORET EXPT PHYS//GE1 XSNXTE

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