Class information for:
Level 2: PHASE CHANGE MEMORY//OPTICAL DISK//GE2SB2TE5

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
4575 1                   MAGNETOOPTICAL DISK//MAGNETO OPTICAL RECORDING//MAGNETICALLY INDUCED SUPER RESOLUTION 1790
9678 1                   CONSTRAINED CODES//MODULATION CODES//DIGITAL MAGNETIC RECORDING 1163
15091 1                   SOLID IMMERSION LENS//NEAR FIELD RECORDING//INFORMAT STORAGE DEVICE 758
17838 1                   SUPER RENS//MASTERING//SUPER RESOLUTION NEAR FIELD STRUCTURE 607
18473 1                   MINI-MICRO SYSTEMS//LARGE TRANSMITTANCE CHANGES//HIGH DENSITY OPTICAL RECORDING FILMS 574
21864 1                   OPTICAL PICKUP//OPTICAL HEAD//DIGITAL VERSATILE DISC 426
25095 1                   WRITE ONCE//DVD R//WRITE STRATEGY 314
25865 1                   LAND GROOVE RECORDING//DVD PICKUP HEAD//DWDD 291

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHASE CHANGE MEMORY authKW 700679 3% 74% 273
2 OPTICAL DISK authKW 405053 2% 73% 161
3 GE2SB2TE5 authKW 382395 1% 96% 115
4 PHASE CHANGE MEMORY PCM authKW 264241 1% 79% 96
5 GE SB TE authKW 247852 1% 93% 77
6 MAGNETOOPTICAL DISK authKW 193178 1% 80% 70
7 SOLID IMMERSION LENS authKW 183220 1% 79% 67
8 SUPER RENS authKW 173492 1% 100% 50
9 OPTICAL DISC authKW 164252 1% 72% 66
10 STATE FUNCT MAT INFORMAT address 155335 3% 16% 288

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Applied 66121 55% 0% 4949
2 Engineering, Electrical & Electronic 13902 25% 0% 2237
3 Physics, Condensed Matter 5016 14% 0% 1281
4 Materials Science, Multidisciplinary 4747 19% 0% 1720
5 Optics 4213 10% 0% 932
6 Materials Science, Coatings & Films 1736 4% 0% 327
7 Nanoscience & Nanotechnology 1692 6% 0% 516
8 Telecommunications 665 3% 0% 268
9 COMPUTER APPLICATIONS & CYBERNETICS 655 0% 1% 23
10 Computer Science, Information Systems 368 2% 0% 209

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 STATE FUNCT MAT INFORMAT 155335 3% 16% 288
2 SHANGHAI MICROSYST INFORMAT TECHNOL 135952 4% 11% 359
3 INFORMAT STORAGE DEVICE 107125 1% 47% 66
4 OPT DISK SYST DEV 104368 0% 79% 38
5 PL NEAR FIELD OPT 86361 0% 66% 38
6 OPT MEMORY ENGN 81314 0% 76% 31
7 PHYS IA 1 75712 0% 53% 41
8 CAN FOR 64100 0% 60% 31
9 IBM MACRONIX PCRAM JOINT PROJECT 58987 0% 100% 17
10 OPT DATA STORAGE 55968 0% 73% 22

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 112475 11% 3% 1007
2 IEEE TRANSACTIONS ON MAGNETICS 77157 10% 3% 875
3 JOURNAL OF APPLIED PHYSICS 16389 8% 1% 732
4 MINI-MICRO SYSTEMS 13210 0% 25% 15
5 JAPANESE JOURNAL OF APPLIED PHYSICS 13197 3% 2% 254
6 APPLIED PHYSICS LETTERS 8221 6% 0% 538
7 IEEE TRANSACTIONS ON INFORMATION THEORY 8204 2% 2% 153
8 JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 6346 3% 1% 264
9 PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS 6016 1% 2% 98
10 IEEE TRANSACTIONS ON CONSUMER ELECTRONICS 5130 1% 2% 86

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PHASE CHANGE MEMORY 700679 3% 74% 273 Search PHASE+CHANGE+MEMORY Search PHASE+CHANGE+MEMORY
2 OPTICAL DISK 405053 2% 73% 161 Search OPTICAL+DISK Search OPTICAL+DISK
3 GE2SB2TE5 382395 1% 96% 115 Search GE2SB2TE5 Search GE2SB2TE5
4 PHASE CHANGE MEMORY PCM 264241 1% 79% 96 Search PHASE+CHANGE+MEMORY+PCM Search PHASE+CHANGE+MEMORY+PCM
5 GE SB TE 247852 1% 93% 77 Search GE+SB+TE Search GE+SB+TE
6 MAGNETOOPTICAL DISK 193178 1% 80% 70 Search MAGNETOOPTICAL+DISK Search MAGNETOOPTICAL+DISK
7 SOLID IMMERSION LENS 183220 1% 79% 67 Search SOLID+IMMERSION+LENS Search SOLID+IMMERSION+LENS
8 SUPER RENS 173492 1% 100% 50 Search SUPER+RENS Search SUPER+RENS
9 OPTICAL DISC 164252 1% 72% 66 Search OPTICAL+DISC Search OPTICAL+DISC
10 PHASE CHANGE MATERIALS 151947 2% 21% 206 Search PHASE+CHANGE+MATERIALS Search PHASE+CHANGE+MATERIALS

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 2


rank cluster_id2 link
1 1284 CHALCOGENIDE GLASSES//CHALCOGENIDES//JOURNAL OF NON-CRYSTALLINE SOLIDS
2 1678 IEEE TRANSACTIONS ON MAGNETICS//PERPENDICULAR MAGNETIC RECORDING//PERPENDICULAR RECORDING
3 1398 RESISTIVE SWITCHING//MEMRISTOR//RRAM
4 3308 LOW INDEX TRANSITION METAL SURFACES//RARE EARTH SUPERLATTICES//OXFORD PHYS
5 328 EXCHANGE BIAS//FEPT//JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
6 2133 IRON NITRIDE//IEEE TRANSACTIONS ON MAGNETICS//MICROINDUCTOR
7 2615 HEAD DISK INTERFACE//COMP MECH//HARD DISK DRIVE
8 108 SURFACE PLASMONS//PLASMONICS//SURFACE PLASMON POLARITONS
9 2791 SCULPTURED THIN FILMS//GLANCING ANGLE DEPOSITION//CIRCULAR BRAGG PHENOMENON
10 3459 MAGNETIC FORCE MICROSCOPY//VIDEO STABILIZATION//DIGITAL IMAGE STABILIZATION

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