Class information for:
Level 3: ION SOURCES//ECR ION SOURCE//ELECTRON CYCLOTRON RESONANCE ION SOURCE

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
663 6195 17.1 45%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 4)


ID, lev.
above		 Publications Label for level above
18 835618 OPTICS//PHYSICAL REVIEW A//PHYSICS, APPLIED

Classes in level below (level 2)


ID, lev.
below		 Publications Label for level below
2685 2857 NEUTRAL BEAM INJECTION//INERTIAL ELECTROSTATIC CONFINEMENT//NEUTRAL BEAM INJECTOR
3121 1780 ELECTRON CYCLOTRON RESONANCE ION SOURCE//ECR ION SOURCE//ECRIS
3206 1558 12CAO CENTER DOT 7AL2O3//C12A7//POTASSIUM ANIONS

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 ION SOURCES Author keyword 66 40% 2% 128
2 ECR ION SOURCE Author keyword 50 61% 1% 54
3 ELECTRON CYCLOTRON RESONANCE ION SOURCE Author keyword 50 76% 1% 35
4 NEUTRAL BEAM INJECTION Author keyword 40 52% 1% 54
5 12CAO CENTER DOT 7AL2O3 Author keyword 32 85% 0% 17
6 INERTIAL ELECTROSTATIC CONFINEMENT Author keyword 32 78% 0% 21
7 NEUTRAL BEAM INJECTOR Author keyword 30 52% 1% 41
8 ECRIS Author keyword 27 72% 0% 21
9 NEUTRAL BEAM Author keyword 27 41% 1% 50
10 NEGATIVE ION SOURCE Author keyword 25 44% 1% 44

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 ION SOURCES 66 40% 2% 128 Search ION+SOURCES Search ION+SOURCES
2 ECR ION SOURCE 50 61% 1% 54 Search ECR+ION+SOURCE Search ECR+ION+SOURCE
3 ELECTRON CYCLOTRON RESONANCE ION SOURCE 50 76% 1% 35 Search ELECTRON+CYCLOTRON+RESONANCE+ION+SOURCE Search ELECTRON+CYCLOTRON+RESONANCE+ION+SOURCE
4 NEUTRAL BEAM INJECTION 40 52% 1% 54 Search NEUTRAL+BEAM+INJECTION Search NEUTRAL+BEAM+INJECTION
5 12CAO CENTER DOT 7AL2O3 32 85% 0% 17 Search 12CAO+CENTER+DOT+7AL2O3 Search 12CAO+CENTER+DOT+7AL2O3
6 INERTIAL ELECTROSTATIC CONFINEMENT 32 78% 0% 21 Search INERTIAL+ELECTROSTATIC+CONFINEMENT Search INERTIAL+ELECTROSTATIC+CONFINEMENT
7 NEUTRAL BEAM INJECTOR 30 52% 1% 41 Search NEUTRAL+BEAM+INJECTOR Search NEUTRAL+BEAM+INJECTOR
8 ECRIS 27 72% 0% 21 Search ECRIS Search ECRIS
9 NEUTRAL BEAM 27 41% 1% 50 Search NEUTRAL+BEAM Search NEUTRAL+BEAM
10 NEGATIVE ION SOURCE 25 44% 1% 44 Search NEGATIVE+ION+SOURCE Search NEGATIVE+ION+SOURCE

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 12CAO CENTER DOT 7AL2O3 154 92% 1% 60
2 12CAO7AL2O3 112 89% 1% 50
3 CA12AL14O33 73 89% 1% 33
4 ECRIS 70 86% 1% 36
5 MICROPOROUS CRYSTAL 61 86% 1% 31
6 DISCHARGE LIGHT SOURCE 52 100% 0% 18
7 QUANTUM ENERGY LEVELS 52 100% 0% 18
8 CRYSTAL 12CAO CENTER DOT 7AL2O3 50 86% 0% 25
9 ELECTRON ANIONS 45 94% 0% 16
10 MULTICUSP SOURCE 44 85% 0% 23

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Negative hydrogen ion production mechanisms 2015 1 173 86%
Electrides: Early Examples of Quantum Confinement 2009 47 32 75%
Photodetachment diagnostic techniques for measuring negative ion densities and temperatures in plasmas 2000 96 45 62%
Techniques and mechanisms applied in electron cyclotron resonance sources for highly charged ions 2003 54 37 92%
Volume production negative hydrogen ion sources 2005 33 68 93%
A Molecular Perspective on Lithium-Ammonia Solutions 2009 35 85 39%
Negative hydrogen ion sources for accelerators 2005 23 31 90%
Novel electron-transfer reactions mediated by alkali metals complexed by macrocyclic ligand 1998 30 33 67%
MAGNETIC ELECTROSTATIC PLASMA-CONFINEMENT 1994 26 32 78%
Evaluation of charge breeding options for EURISOL 2010 5 37 73%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 CONSORZIO RFX 13 13% 1.6% 97
2 PLASMA HEATING 12 86% 0.1% 6
3 NUCL FUS ENGN TECHNOL DEV 9 83% 0.1% 5
4 PTP 6 80% 0.1% 4
5 UMR 7648 6 23% 0.4% 25
6 FUS TECHNOL 6 13% 0.7% 43
7 TATEYAMA KAGAKU GRP 6 100% 0.1% 4
8 TRANSPARENT ELE OACT MAT PROJECT 5 33% 0.2% 13
9 ERNEST ORLANDO BERKELEY 4 67% 0.1% 4
10 UMR CNRS 7648 4 75% 0.0% 3

Related classes at same level (level 3)


Rank Relatedness score Related classes
1 0.0000004806 PLASMA SOURCES SCIENCE & TECHNOLOGY//DIELECTRIC BARRIER DISCHARGE//NON THERMAL PLASMA
2 0.0000004740 NUCLEAR FUSION//FUSION ENGINEERING AND DESIGN//PLASMA PHYSICS AND CONTROLLED FUSION
3 0.0000003131 PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS//NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIAT//GYROTRON
4 0.0000002865 IEEE TRANSACTIONS ON PLASMA SCIENCE//PLASMA FOCUS//VACUUM ARC
5 0.0000002000 JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//PHYSICAL REVIEW A
6 0.0000001053 LASER AND PARTICLE BEAMS//LASER ENERGET//PHYSICS OF PLASMAS
7 0.0000001029 SOVIET PHYSICS SEMICONDUCTORS-USSR//GETTERING//SILICON
8 0.0000000882 DIAMOND AND RELATED MATERIALS//DIAMOND//DIAMOND LIKE CARBON
9 0.0000000856 POLYHYDROXYALKANOATES//POLYHYDROXYALKANOATE//POLY3 HYDROXYBUTYRATE
10 0.0000000842 ULTRAMICROSCOPY//MICROSCOPY//JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B