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

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1542 7441 17.7 62%


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
2 4 MATERIALS SCIENCE, MULTIDISCIPLINARY//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER 2836879
560 3       CHALCOGENIDE GLASSES//CHALCOGENIDES//PHASE CHANGE MEMORY 17255
1542 2             PHASE CHANGE MEMORY//OPTICAL DISK//GE2SB2TE5 7441
858 1                   PHASE CHANGE MEMORY//GE2SB2TE5//PHASE CHANGE MEMORY PCM 3002
5063 1                   MAGNETOOPTICAL DISK//MAGNETO OPTICAL RECORDING//MAGNETICALLY INDUCED SUPER RESOLUTION 1680
8412 1                   SOLID IMMERSION LENS//INFORMAT STORAGE DEVICE//NEAR FIELD RECORDING 1255
17468 1                   MINI-MICRO SYSTEMS//LARGE TRANSMITTANCE CHANGES//HIGH DENSITY OPTICAL RECORDING FILMS 597
17909 1                   SUPER RENS//MASTERING//SUPER RESOLUTION NEAR FIELD STRUCTURE 576
23885 1                   AZO AZOMETHINE//WRITE ONCE//WRITE STRATEGY 331

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 PHASE CHANGE MEMORY authKW 812800 4% 75% 263
2 OPTICAL DISK authKW 467008 2% 72% 159
3 GE2SB2TE5 authKW 443544 2% 97% 112
4 PHASE CHANGE MEMORY PCM authKW 303237 1% 81% 91
5 GE SB TE authKW 292991 1% 93% 77
6 OPTICAL DISC authKW 220830 1% 77% 70
7 MAGNETOOPTICAL DISK authKW 215496 1% 77% 68
8 SUPER RENS authKW 196963 1% 98% 49
9 SOLID IMMERSION LENS authKW 191494 1% 74% 63
10 OPTICAL DATA STORAGE authKW 191254 1% 46% 102

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Physics, Applied 59530 57% 0% 4238
2 Physics, Condensed Matter 5060 15% 0% 1149
3 Materials Science, Multidisciplinary 4705 20% 0% 1507
4 Optics 4309 11% 0% 838
5 Engineering, Electrical & Electronic 3575 15% 0% 1121
6 Materials Science, Coatings & Films 1949 4% 0% 308
7 Nanoscience & Nanotechnology 1569 6% 0% 435
8 COMPUTER APPLICATIONS & CYBERNETICS 717 0% 1% 22
9 Materials Science, Ceramics 333 2% 0% 126
10 Physics, Multidisciplinary 216 4% 0% 320

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 STATE FUNCT MAT INFORMAT 164791 4% 15% 262
2 SHANGHAI MICROSYST INFORMAT TECHNOL 149115 4% 11% 332
3 OPT DISK SYST DEV 123378 1% 79% 38
4 PL NEAR FIELD OPT 107539 1% 67% 39
5 INFORMAT STORAGE DEVICE 106164 1% 43% 60
6 OPT MEMORY ENGN 96125 0% 76% 31
7 PHYS IA 1 82544 0% 54% 37
8 CAN FOR 75778 0% 60% 31
9 IBM MACRONIX PCRAM JOINT PROJECT 69729 0% 100% 17
10 OPT DATA STORAGE 66163 0% 73% 22

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 129093 13% 3% 987
2 IEEE TRANSACTIONS ON MAGNETICS 23706 6% 1% 446
3 JAPANESE JOURNAL OF APPLIED PHYSICS 20655 4% 2% 285
4 JOURNAL OF APPLIED PHYSICS 16651 9% 1% 672
5 MINI-MICRO SYSTEMS 13840 0% 24% 14
6 APPLIED PHYSICS LETTERS 8708 7% 0% 502
7 PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS 7010 1% 2% 97
8 APPLIED OPTICS 6226 3% 1% 237
9 JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 5653 3% 1% 225
10 COMPUTER & COMMUNICATIONS DECISIONS 4102 0% 100% 1

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 PHASE CHANGE MEMORY 812800 4% 75% 263 Search PHASE+CHANGE+MEMORY Search PHASE+CHANGE+MEMORY
2 OPTICAL DISK 467008 2% 72% 159 Search OPTICAL+DISK Search OPTICAL+DISK
3 GE2SB2TE5 443544 2% 97% 112 Search GE2SB2TE5 Search GE2SB2TE5
4 PHASE CHANGE MEMORY PCM 303237 1% 81% 91 Search PHASE+CHANGE+MEMORY+PCM Search PHASE+CHANGE+MEMORY+PCM
5 GE SB TE 292991 1% 93% 77 Search GE+SB+TE Search GE+SB+TE
6 OPTICAL DISC 220830 1% 77% 70 Search OPTICAL+DISC Search OPTICAL+DISC
7 MAGNETOOPTICAL DISK 215496 1% 77% 68 Search MAGNETOOPTICAL+DISK Search MAGNETOOPTICAL+DISK
8 SUPER RENS 196963 1% 98% 49 Search SUPER+RENS Search SUPER+RENS
9 SOLID IMMERSION LENS 191494 1% 74% 63 Search SOLID+IMMERSION+LENS Search SOLID+IMMERSION+LENS
10 OPTICAL DATA STORAGE 191254 1% 46% 102 Search OPTICAL+DATA+STORAGE Search OPTICAL+DATA+STORAGE

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.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 LENCER, D , SALINGA, M , WUTTIG, M , (2011) DESIGN RULES FOR PHASE-CHANGE MATERIALS IN DATA STORAGE APPLICATIONS.ADVANCED MATERIALS. VOL. 23. ISSUE 18. P. 2030 -2058 165 86% 148
2 BURR, GW , BREITWISCH, MJ , FRANCESCHINI, M , GARETTO, D , GOPALAKRISHNAN, K , JACKSON, B , KURDI, B , LAM, C , LASTRAS, LA , PADILLA, A , ET AL (2010) PHASE CHANGE MEMORY TECHNOLOGY.JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B. VOL. 28. ISSUE 2. P. 223 -262 112 85% 302
3 RAOUX, S , WELNIC, W , IELMINI, D , (2010) PHASE CHANGE MATERIALS AND THEIR APPLICATION TO NONVOLATILE MEMORIES.CHEMICAL REVIEWS. VOL. 110. ISSUE 1. P. 240 -267 87 77% 254
4 DERINGER, VL , DRONSKOWSKI, R , WUTTIG, M , (2015) MICROSCOPIC COMPLEXITY IN PHASE-CHANGE MATERIALS AND ITS ROLE FOR APPLICATIONS.ADVANCED FUNCTIONAL MATERIALS. VOL. 25. ISSUE 40. P. 6343 -6359 113 75% 4
5 WONG, HSP , RAOUX, S , KIM, S , LIANG, JL , REIFENBERG, JP , RAJENDRAN, B , ASHEGHI, M , GOODSON, KE , (2010) PHASE CHANGE MEMORY.PROCEEDINGS OF THE IEEE. VOL. 98. ISSUE 12. P. 2201 -2227 63 83% 346
6 WUTTIG, M , YAMADA, N , (2007) PHASE-CHANGE MATERIALS FOR REWRITEABLE DATA STORAGE.NATURE MATERIALS. VOL. 6. ISSUE 11. P. 824-832 41 85% 1106
7 ZHANG, W , DERINGER, VL , DRONSKOWSKI, R , MAZZARELLO, R , MA, E , WUTTIG, M , (2015) DENSITY-FUNCTIONAL THEORY GUIDED ADVANCES IN PHASE-CHANGE MATERIALS AND MEMORIES.MRS BULLETIN. VOL. 40. ISSUE 10. P. 856 -869 65 86% 1
8 BOGOSLOVSKIY, NA , TSENDIN, KD , (2012) PHYSICS OF SWITCHING AND MEMORY EFFECTS IN CHALCOGENIDE GLASSY SEMICONDUCTORS.SEMICONDUCTORS. VOL. 46. ISSUE 5. P. 559 -590 65 86% 16
9 SIEGRIST, T , MERKELBACH, P , WUTTIG, M , (2012) PHASE CHANGE MATERIALS: CHALLENGES ON THE PATH TO A UNIVERSAL STORAGE DEVICE.ANNUAL REVIEW OF CONDENSED MATTER PHYSICS, VOL 3. VOL. 3. ISSUE . P. 215 -237 57 84% 39
10 RAOUX, S , BURR, GW , BREITWISCH, MJ , RETTNER, CT , CHEN, YC , SHELBY, RM , SALINGA, M , KREBS, D , CHEN, SH , LUNG, HL , ET AL (2008) PHASE-CHANGE RANDOM ACCESS MEMORY: A SCALABLE TECHNOLOGY.IBM JOURNAL OF RESEARCH AND DEVELOPMENT. VOL. 52. ISSUE 4-5. P. 465 -479 40 93% 256

Classes with closest relation at Level 2


Rank Class id link
1 1099 CHALCOGENIDE GLASSES//CHALCOGENIDES//JOURNAL OF NON-CRYSTALLINE SOLIDS
2 2448 NEAR FIELD OPTICS//SNOM//SCANNING NEAR FIELD OPTICAL MICROSCOPY
3 2859 PHOTOPOLYMER//HOLOGRAPHIC DATA STORAGE//HOLOGRAPHIC RECORDING MATERIALS
4 1754 RESISTIVE SWITCHING//MEMRISTOR//RRAM
5 1018 IEEE TRANSACTIONS ON MAGNETICS//PERPENDICULAR MAGNETIC RECORDING//MAGNETIC RECORDING
6 204 EXCHANGE BIAS//JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS//FEPT
7 2598 OPTICAL ISOLATOR//MAGNETOPHOTONIC CRYSTALS//YTTRIUM IRON GARNET
8 718 NANOCRYSTALLINE ALLOYS//FINEMET//JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
9 3585 LODZ BRANCH//RELAT PHYS//INT COMPLEX SYST
10 354 THERMOELECTRIC//THERMOELECTRIC MATERIALS//THERMOELECTRIC PROPERTIES

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