Class information for:
Level 1: FERROELECTRIC CATHODE//PYROELECTRIC CRYSTAL//ELECTRON EMISSION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
17691 587 16.8 54%


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
378 3       SURFACE & COATINGS TECHNOLOGY//HIGH ENTROPY ALLOY//MATERIALS SCIENCE, COATINGS & FILMS 32127
3938 2             FERROELECTRIC CATHODE//PYROELECTRIC CRYSTAL//ELECTRON EMISSION 771
17691 1                   FERROELECTRIC CATHODE//PYROELECTRIC CRYSTAL//ELECTRON EMISSION 587

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 FERROELECTRIC CATHODE authKW 1094641 4% 96% 22
2 PYROELECTRIC CRYSTAL authKW 351118 2% 75% 9
3 ELECTRON EMISSION authKW 309420 11% 10% 62
4 ELECTRON AND ION EMISSION authKW 166456 1% 80% 4
5 ELECTRIC CHARGE EMISSION authKW 156054 1% 100% 3
6 FERROELECTRIC EMISSION authKW 156054 1% 100% 3
7 FERROELECTRIC FE CATHODE authKW 156054 1% 100% 3
8 HAND HELD SPECTROMETER authKW 156054 1% 100% 3
9 METHOD OF IMAGE DIPOLES authKW 156054 1% 100% 3
10 FERROELECTRIC PLASMA SOURCE authKW 117039 1% 75% 3

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 2553 43% 0% 252
2 Physics, Condensed Matter 1283 26% 0% 151
3 Instruments & Instrumentation 394 9% 0% 52
4 Spectroscopy 337 7% 0% 42
5 Nuclear Science & Technology 316 7% 0% 44
6 Materials Science, Multidisciplinary 208 16% 0% 95
7 Physics, Nuclear 179 6% 0% 35
8 Physics, Fluids & Plasmas 177 5% 0% 28
9 Physics, Particles & Fields 120 6% 0% 33
10 Materials Science, Ceramics 72 3% 0% 15

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 TEACHING EARCHING 103 104036 0% 100% 2
2 MILLIMETER WAVE TUBES 78024 1% 50% 3
3 U TEAM 64017 1% 31% 4
4 CHAIR MICORSYST TECHNOL 52018 0% 100% 1
5 FERROELECT PIEZELECT PHYS 52018 0% 100% 1
6 FEST KORPERELEKT 52018 0% 100% 1
7 GRP LASER PHYS NONLINEAR OPT 52018 0% 100% 1
8 INFORMAT SCI PL MATH 52018 0% 100% 1
9 MICRO SENSORSYTEMS 52018 0% 100% 1
10 NANOMFG NETWORK 52018 0% 100% 1

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 FERROELECTRICS 15952 11% 0% 62
2 JOURNAL OF APPLIED PHYSICS 3230 14% 0% 82
3 PLASMA DEVICES AND OPERATIONS 2944 1% 1% 4
4 FIZIKA TVERDOGO TELA 2938 4% 0% 25
5 PHYSICS OF THE SOLID STATE 1412 3% 0% 15
6 IEEE TRANSACTIONS ON PLASMA SCIENCE 1030 2% 0% 14
7 APPLIED PHYSICS LETTERS 1029 8% 0% 48
8 INTEGRATED FERROELECTRICS 833 1% 0% 8
9 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 810 4% 0% 26
10 JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 643 3% 0% 20

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 FERROELECTRIC CATHODE 1094641 4% 96% 22 Search FERROELECTRIC+CATHODE Search FERROELECTRIC+CATHODE
2 PYROELECTRIC CRYSTAL 351118 2% 75% 9 Search PYROELECTRIC+CRYSTAL Search PYROELECTRIC+CRYSTAL
3 ELECTRON EMISSION 309420 11% 10% 62 Search ELECTRON+EMISSION Search ELECTRON+EMISSION
4 ELECTRON AND ION EMISSION 166456 1% 80% 4 Search ELECTRON+AND+ION+EMISSION Search ELECTRON+AND+ION+EMISSION
5 ELECTRIC CHARGE EMISSION 156054 1% 100% 3 Search ELECTRIC+CHARGE+EMISSION Search ELECTRIC+CHARGE+EMISSION
6 FERROELECTRIC EMISSION 156054 1% 100% 3 Search FERROELECTRIC+EMISSION Search FERROELECTRIC+EMISSION
7 FERROELECTRIC FE CATHODE 156054 1% 100% 3 Search FERROELECTRIC+FE+CATHODE Search FERROELECTRIC+FE+CATHODE
8 HAND HELD SPECTROMETER 156054 1% 100% 3 Search HAND+HELD+SPECTROMETER Search HAND+HELD+SPECTROMETER
9 METHOD OF IMAGE DIPOLES 156054 1% 100% 3 Search METHOD+OF+IMAGE+DIPOLES Search METHOD+OF+IMAGE+DIPOLES
10 FERROELECTRIC PLASMA SOURCE 117039 1% 75% 3 Search FERROELECTRIC+PLASMA+SOURCE Search FERROELECTRIC+PLASMA+SOURCE

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 ROSENMAN, G , SHUR, D , KRASIK, YE , DUNAEVSKY, A , (2000) ELECTRON EMISSION FROM FERROELECTRICS.JOURNAL OF APPLIED PHYSICS. VOL. 88. ISSUE 11. P. 6109 -6161 74 76% 204
2 MESYATS, GA , (2008) ELECTRON EMISSION FROM FERROELECTRIC PLASMA CATHODES.PHYSICS-USPEKHI. VOL. 51. ISSUE 1. P. 79-100 46 78% 16
3 SEO, M , HONG, K , (2010) CHARACTERISTICS OF ELECTRON EMISSION FROM A (PB,LA)(ZR,TI)O-3 FERROELECTRIC CATHODE.JAPANESE JOURNAL OF APPLIED PHYSICS. VOL. 49. ISSUE 7. P. - 30 100% 0
4 LOGINOV, PV , SAVVINOV, AM , PONOMAREVA, NY , (2001) FERROELECTRIC EMISSION STIMULATED BY AC FIELD IN THE MODE OF TEMPERATURE AUTO-STABILISATION.FERROELECTRICS. VOL. 257. ISSUE 1-4. P. 221 -226 32 100% 1
5 PARK, J , KIM, YT , YOON, KH , (2002) EFFECT OF THICKNESS AND UPPER ELECTRODE DIAMETER ON POLARIZATION SWITCHING AND ELECTRON EMISSION OF PB(ZR0.8TI0.2)O-3 FERROELECTRIC CATHODE.JOURNAL OF APPLIED PHYSICS. VOL. 91. ISSUE 3. P. 1458-1463 28 97% 2
6 KRASIK, YE , CHIRKO, K , DUNAEVSKY, A , GLEIZER, JZ , KROKHMAL, A , SAYAPIN, A , FELSTEINER, J , (2003) FERROELECTRIC PLASMA SOURCES AND THEIR APPLICATIONS.IEEE TRANSACTIONS ON PLASMA SCIENCE. VOL. 31. ISSUE 1. P. 49-59 27 93% 21
7 KRASIK, YE , CHIRKO, K , SAYAPIN, A , GLEIZER, J , KROKHMAL, A , FELSTEINER, J , (2003) ELECTRON BEAM GENERATION IN A DIODE WITH DIFFERENT FERROELECTRIC CATHODES.JOURNAL OF APPLIED PHYSICS. VOL. 94. ISSUE 8. P. 5158-5162 25 100% 6
8 DUNAEVSKY, A , KRASIK, YE , FELSTEINER, J , STERNLIEB, A , (2002) FERROELECTRIC PLASMA CATHODE WITH A CONTROL GRID.JOURNAL OF APPLIED PHYSICS. VOL. 91. ISSUE 3. P. 975-983 27 87% 3
9 HOCKLEY, M , HUANG, Z , (2014) STRONG ELECTRON EMISSIONS INDUCED AND EXTRACTED BY PYROELECTRIC CRYSTALS.SMART MATERIALS AND STRUCTURES. VOL. 23. ISSUE 3. P. - 18 95% 0
10 HOCKLEY, M , HUANG, Z , (2013) STRONG ELECTRON AND ION EMISSIONS INDUCED BY A PYROELECTRIC CRYSTAL.JOURNAL OF APPLIED PHYSICS. VOL. 113. ISSUE 3. P. - 18 95% 0

Classes with closest relation at Level 1


Rank Class id link
1 37630 IMPURITY DIPOLES//COOPERATIVE ORDERING//NEW FERROELECTRIC
2 34205 NONANALYTE SPIKING//PROMPT GAMMA SPECTROMETRY//AVERAGE STOPPING POWER
3 11786 VIRCATOR//VIRTUAL CATHODE OSCILLATOR//COAXIAL VIRCATOR
4 20121 PLASMA ELECTRON SOURCE//CHEMICAL COMPOSITION OF THE SURFACE//ELECTRON BEAM EB EXCITED PLASMA
5 11285 TRIGLYCINE SULPHATE//TRIGLYCINE SULFATE//TGS CRYSTAL
6 32814 POLARIZATION DISTRIBUTION//PYROELECTRIC EFFECT//BIREFRINGENCE DIGITAL IMAGE PROCESSING
7 23778 RESONANCE OSCILLATION//MECAN FLUIDOS PROPULS AEROESPACIAL//PHOTOVOLTAIC TWEEZERS
8 9361 ANTIFERROELECTRIC//LEAD ZIRCONATE//ANTIFERROELECTRIC CERAMICS
9 27554 LIH3SEO32//LINBO3FE//LITHIUM TRIHYDROGEN SELENITE
10 12762 SURFACE FLASHOVER//NON STANDARD LIGHTNING IMPULSE WAVEFORM//DIELECTRIC BREAKDOWN VOLTAGE TIME CHARACTERISTICS V T CHARACTERISTICS

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