Class information for:
Level 1: MULTILAYER MIRROR//PRECIS OPT ENGN//MULTILAYERS

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
588 3       X RAY OPTICS//X RAY MICROSCOPY//JOURNAL OF SYNCHROTRON RADIATION 15045
1435 2             X RAY MICROSCOPY//X RAY OPTICS//MULTILAYER MIRROR 8135
2343 1                   MULTILAYER MIRROR//PRECIS OPT ENGN//MULTILAYERS 2312

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MULTILAYER MIRROR authKW 388918 2% 52% 55
2 PRECIS OPT ENGN address 330158 3% 33% 74
3 MULTILAYERS authKW 157446 10% 5% 240
4 EUV LITHOG address 145376 1% 67% 16
5 MO SI authKW 120306 1% 55% 16
6 X RAY EUV OPTICS authKW 115165 1% 65% 13
7 SCHWARZSCHILD OPTICS authKW 113580 0% 83% 10
8 SOFT XRAY MICROSCOPY address 113580 0% 83% 10
9 X RAY MULTILAYERS authKW 109943 0% 73% 11
10 EXTREME ULTRAVIOLET authKW 105820 2% 18% 43

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 11212 30% 0% 684
2 Physics, Applied 9453 42% 0% 965
3 Instruments & Instrumentation 2517 11% 0% 256
4 Materials Science, Coatings & Films 2441 8% 0% 180
5 Physics, Condensed Matter 1827 16% 0% 379
6 Spectroscopy 1622 8% 0% 180
7 Nuclear Science & Technology 807 6% 0% 142
8 Physics, Nuclear 721 6% 0% 135
9 Nanoscience & Nanotechnology 606 7% 0% 151
10 Materials Science, Multidisciplinary 368 12% 0% 285

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PRECIS OPT ENGN 330158 3% 33% 74
2 EUV LITHOG 145376 1% 67% 16
3 SOFT XRAY MICROSCOPY 113580 0% 83% 10
4 XRAY OPT 94930 2% 12% 57
5 CHIM PHYS MAT RAYONNEMENT 91234 2% 12% 56
6 SIBERIAN SR 84920 0% 69% 9
7 GOLD 78497 1% 48% 12
8 LUXOR 78497 1% 48% 12
9 IPOE 73595 0% 60% 9
10 UMR 7614 70459 2% 10% 50

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 APPLIED OPTICS 19187 10% 1% 226
2 JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B 7035 4% 1% 94
3 JOURNAL OF SURFACE INVESTIGATION 6967 1% 2% 26
4 OPTICAL ENGINEERING 4416 3% 0% 69
5 JOURNAL OF MICRO-NANOLITHOGRAPHY MEMS AND MOEMS 3882 1% 2% 17
6 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 3709 5% 0% 109
7 THIN SOLID FILMS 3214 4% 0% 95
8 REVIEW OF SCIENTIFIC INSTRUMENTS 2784 4% 0% 81
9 JOURNAL OF SYNCHROTRON RADIATION 2664 1% 1% 25
10 JOURNAL DE PHYSIQUE IV 2603 2% 0% 45

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 MULTILAYER MIRROR 388918 2% 52% 55 Search MULTILAYER+MIRROR Search MULTILAYER+MIRROR
2 MULTILAYERS 157446 10% 5% 240 Search MULTILAYERS Search MULTILAYERS
3 MO SI 120306 1% 55% 16 Search MO+SI Search MO+SI
4 X RAY EUV OPTICS 115165 1% 65% 13 Search X+RAY+EUV+OPTICS Search X+RAY+EUV+OPTICS
5 SCHWARZSCHILD OPTICS 113580 0% 83% 10 Search SCHWARZSCHILD+OPTICS Search SCHWARZSCHILD+OPTICS
6 X RAY MULTILAYERS 109943 0% 73% 11 Search X+RAY+MULTILAYERS Search X+RAY+MULTILAYERS
7 EXTREME ULTRAVIOLET 105820 2% 18% 43 Search EXTREME+ULTRAVIOLET Search EXTREME+ULTRAVIOLET
8 X RAY MIRROR 104667 1% 30% 26 Search X+RAY+MIRROR Search X+RAY+MIRROR
9 MO SI MULTILAYERS 96923 0% 89% 8 Search MO+SI+MULTILAYERS Search MO+SI+MULTILAYERS
10 SOFT X RAY RANGE 95410 0% 100% 7 Search SOFT+X+RAY+RANGE Search SOFT+X+RAY+RANGE

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 33107 ADIABATIC WHISPERING GALLERY MODE//CONCAVE BOUNDARY SURFACE//EBIT IL
2 11673 GAS PUFF TARGET//EUV SOURCE//DISCHARGE PRODUCED PLASMA
3 22528 X RAY TELESCOPE//HARD X RAY POLARIMETRY//X CALIBUR
4 21204 LEHRSTUHL FUNKT MAT//GISAXS//GRAZING INCIDENCE SMALL ANGLE X RAY SCATTERING
5 19666 NEUTRON SPECULAR REFLECTION//MAGNETIC REFERENCE LAYER//PHASE PROBLEM
6 36432 UNIDAD RADIAC IONIZANTES//HALF BRIGHTNESS DOSE//LUMINESCENT SCREENS
7 12994 VARIED LINE SPACING GRATING//GASSENDI//CONCAVE GRATING
8 26341 LEAF DETAILS//X RAY CONTACT MICROSCOPY//SOFT X RAY CONTACT MICROSCOPY
9 7319 X RAY MICROSCOPY//ZONE PLATE//X RAY OPTICS
10 30724 TRANSMISSION GRATING//SPACE NANOTECHNOL//FREESTANDING TRANSMISSION GRATING

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