Class information for:
Level 1: PERFLUOROPOLYETHER//HEAD DISK INTERFACE//PERFLUOROPOLYALKYLETHERS

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
15 4 METALLURGY & METALLURGICAL ENGINEERING//MATERIALS SCIENCE, MULTIDISCIPLINARY//MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 827627
336 3       JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME//ENGINEERING, MECHANICAL//TRIBOLOGY TRANSACTIONS 37804
2615 2             HEAD DISK INTERFACE//COMP MECH//HARD DISK DRIVE 3816
6941 1                   PERFLUOROPOLYETHER//HEAD DISK INTERFACE//PERFLUOROPOLYALKYLETHERS 1452

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PERFLUOROPOLYETHER authKW 1672939 10% 54% 144
2 HEAD DISK INTERFACE authKW 913702 8% 35% 120
3 PERFLUOROPOLYALKYLETHERS authKW 437573 2% 81% 25
4 MAGNETIC DISK authKW 434299 3% 49% 41
5 LUBRICANT DEPLETION authKW 412378 1% 100% 19
6 PERFLUOROPOLYETHER PFPE authKW 277806 1% 80% 16
7 TRIBOLOGY LETTERS journal 274796 13% 7% 182
8 LUBRICANT authKW 273595 9% 10% 129
9 Z TETRAOL authKW 261998 1% 93% 13
10 ZDOL authKW 260449 1% 100% 12

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Mechanical 18406 37% 0% 530
2 Physics, Applied 4346 36% 0% 526
3 Engineering, Electrical & Electronic 1899 23% 0% 334
4 Engineering, Chemical 1640 15% 0% 220
5 Materials Science, Coatings & Films 765 6% 0% 82
6 Materials Science, Multidisciplinary 276 13% 0% 190
7 Chemistry, Physical 230 12% 0% 167
8 Nanoscience & Nanotechnology 97 4% 0% 56
9 Polymer Science 86 4% 0% 60
10 Computer Science, Hardware & Architecture 34 1% 0% 17

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MICRO NANO SYST ENGN 188324 2% 32% 27
2 DATA STORAGE SYST 130003 4% 11% 57
3 COMPLEX SYST SCI 116501 3% 12% 45
4 COMP MECH 111170 2% 18% 28
5 MECH INTEGRAT TRIBOL 86816 0% 100% 4
6 CHEM DEVICE GRP 65112 0% 100% 3
7 COMP MICROTRIBOL CONTAMINAT 63113 1% 18% 16
8 RECORDING MEDIA OPERAT 48331 0% 32% 7
9 STORAGE SYST 47166 1% 11% 19
10 ADV TRIBOL GRP 43408 0% 100% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 TRIBOLOGY LETTERS 274796 13% 7% 182
2 TRIBOLOGY TRANSACTIONS 59461 6% 3% 87
3 IEEE TRANSACTIONS ON MAGNETICS 47823 19% 1% 274
4 JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS 45613 4% 3% 61
5 JOURNAL OF INFORMATION STORAGE AND PROCESSING SYSTEMS 40733 1% 14% 13
6 LUBRICATION ENGINEERING 23478 2% 3% 33
7 JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME 14056 3% 1% 48
8 MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS 9711 3% 1% 41
9 TRIBOLOGY INTERNATIONAL 6475 3% 1% 39
10 JOURNAL OF FLUORINE CHEMISTRY 5171 3% 1% 41

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PERFLUOROPOLYETHER 1672939 10% 54% 144 Search PERFLUOROPOLYETHER Search PERFLUOROPOLYETHER
2 HEAD DISK INTERFACE 913702 8% 35% 120 Search HEAD+DISK+INTERFACE Search HEAD+DISK+INTERFACE
3 PERFLUOROPOLYALKYLETHERS 437573 2% 81% 25 Search PERFLUOROPOLYALKYLETHERS Search PERFLUOROPOLYALKYLETHERS
4 MAGNETIC DISK 434299 3% 49% 41 Search MAGNETIC+DISK Search MAGNETIC+DISK
5 LUBRICANT DEPLETION 412378 1% 100% 19 Search LUBRICANT+DEPLETION Search LUBRICANT+DEPLETION
6 PERFLUOROPOLYETHER PFPE 277806 1% 80% 16 Search PERFLUOROPOLYETHER+PFPE Search PERFLUOROPOLYETHER+PFPE
7 LUBRICANT 273595 9% 10% 129 Search LUBRICANT Search LUBRICANT
8 Z TETRAOL 261998 1% 93% 13 Search Z+TETRAOL Search Z+TETRAOL
9 ZDOL 260449 1% 100% 12 Search ZDOL Search ZDOL
10 Z DOL 244530 1% 87% 13 Search Z+DOL Search Z+DOL

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 5679 HEAD DISK INTERFACE//FLYING HEIGHT//COMP MECH
2 20417 GRP CIENCIA MAT INGN MET//INGN MAT FABRICAC//STATE SOLID LUBRICAT
3 29025 HALL ACCELERATOR//EXTREMELY THIN FILM//NANOPERIOD MULTILAYER FILM
4 35509 ANTIMISTING//5 HYDROXYBENZIMIDAZOLE ITS TAUTOMERS AND DERIVATIVES//ACID BASE PROPERTIES AND THE EFFECT THEREON OF SUBSTITUENTS
5 7648 STICTION//ELECTROSTATIC MOTOR//MICROMOTOR
6 11608 SURFACE FORCES APPARATUS//CONFINED FILMS//MOLECULAR TRIBOLOGY
7 15532 MAGNETIC TAPE//MAGNETIC TAPE RECORDING//METAL EVAPORATED TAPE
8 38633 AMINO TERMINATED SURFACES//CATALYSIS CHALLENGE//CATALYST NANO ARCHITECTURE
9 17967 CAPILLARY FORCE//CAPILLARY SUSPENSIONS//CAPILLARY BRIDGE
10 30926 VAPOR PHASE LUBRICATION//VAPOR PHASE LUBRICANTS//HIGH TEMPERATURE LUBRICATION

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