Class information for:
Level 1: POSITRON ANNIHILATION//SUBSURFACE ZONES//SUBSURFACE ZONE

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
5558 1541 21.8 50%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
1928 5257 POSITRON ANNIHILATION//POSITRONIUM//FREE VOLUME

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 POSITRON ANNIHILATION Author keyword 34 15% 13% 205
2 SUBSURFACE ZONES Author keyword 21 90% 1% 9
3 SUBSURFACE ZONE Author keyword 13 80% 1% 8
4 POSITRON LIFETIME SPECTROMETER Author keyword 12 86% 0% 6
5 ELECTRON POSITRON MOMENTUM DENSITY Author keyword 11 100% 0% 6
6 TRAPPING CROSS SECTION Author keyword 9 83% 0% 5
7 POSITRON LIFETIME Author keyword 8 17% 3% 45
8 COINCIDENCE DOPPLER BROADENING Author keyword 7 37% 1% 16
9 TRAPPING RATE Author keyword 7 57% 1% 8
10 LIFETIME SPECTROMETER Author keyword 6 71% 0% 5

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 POSITRON ANNIHILATION 34 15% 13% 205 Search POSITRON+ANNIHILATION Search POSITRON+ANNIHILATION
2 SUBSURFACE ZONES 21 90% 1% 9 Search SUBSURFACE+ZONES Search SUBSURFACE+ZONES
3 SUBSURFACE ZONE 13 80% 1% 8 Search SUBSURFACE+ZONE Search SUBSURFACE+ZONE
4 POSITRON LIFETIME SPECTROMETER 12 86% 0% 6 Search POSITRON+LIFETIME+SPECTROMETER Search POSITRON+LIFETIME+SPECTROMETER
5 ELECTRON POSITRON MOMENTUM DENSITY 11 100% 0% 6 Search ELECTRON+POSITRON+MOMENTUM+DENSITY Search ELECTRON+POSITRON+MOMENTUM+DENSITY
6 TRAPPING CROSS SECTION 9 83% 0% 5 Search TRAPPING+CROSS+SECTION Search TRAPPING+CROSS+SECTION
7 POSITRON LIFETIME 8 17% 3% 45 Search POSITRON+LIFETIME Search POSITRON+LIFETIME
8 COINCIDENCE DOPPLER BROADENING 7 37% 1% 16 Search COINCIDENCE+DOPPLER+BROADENING Search COINCIDENCE+DOPPLER+BROADENING
9 TRAPPING RATE 7 57% 1% 8 Search TRAPPING+RATE Search TRAPPING+RATE
10 LIFETIME SPECTROMETER 6 71% 0% 5 Search LIFETIME+SPECTROMETER Search LIFETIME+SPECTROMETER

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 CHARGED IMPURITY 29 88% 1% 14
2 2D ACAR 28 81% 1% 17
3 CORE ELECTRONS 19 44% 2% 32
4 GRADIENT CORRECTION 16 42% 2% 30
5 ANNIHILATION CHARACTERISTICS 15 68% 1% 13
6 IMPLANTATION PROFILE 15 77% 1% 10
7 METALLIC YBA2CU3O7 X 14 100% 0% 7
8 ANNIHILATION PARAMETERS 11 100% 0% 6
9 HYPERNETTED CHAIN THEORY 9 55% 1% 11
10 MOMENTUM DENSITY 7 21% 2% 28

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
THEORY OF POSITRONS IN SOLIDS AND ON SOLID-SURFACES 1994 598 183 26%
Positron annihilation in fine-grained materials and fine powders-an application to the sintering of metal powders 1999 46 26 58%
Theoretical calculations of positron annihilation characteristics in inorganic solids - Recent advances and problems 2003 10 34 59%
Nondestructive monitoring of fatigue damage evolution in austenitic stainless steel by positron-lifetime measurements 2004 6 48 67%
Positronium in a cavity in a high-T-c superconductor 2009 0 84 58%
Recent advances in the calculations for momentum distributions of annihilating electron-positron pairs in solids 2003 0 48 69%
STUDIES ON FULLERENES USING POSITRON-ANNIHILATION SPECTROSCOPY 1995 6 16 25%
A REVIEW OF POSITRON STUDIES OF VACANCY CLUSTERING IN METALS 1985 0 8 100%
METHODS AND APPARATUS FOR MEASUREMENT OF POSITRON LIFETIME 1986 0 6 67%
POSITRON-ANNIHILATION SPECTROSCOPY 1980 119 3 33%

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 RADIAT PHYS ELECT TECH 3 100% 0.2% 3
2 OINARRIZKO ZIENTZIAK SAILA 3 60% 0.2% 3
3 KOTHEN 2 67% 0.1% 2
4 LEHRSTUHL E21 2 67% 0.1% 2
5 IFIMAT 2 13% 0.8% 13
6 IDAHO ACCELERATOR 1 14% 0.5% 7
7 PHYS E 21 1 30% 0.2% 3
8 ELEKT ELEKT SAILA 1 18% 0.3% 4
9 ELEKTRIKA ELEKTRONIKA SAILA 1 50% 0.1% 1
10 HIGH ENERGY PHYS NUCL PHYS 1 50% 0.1% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000216219 POSITRON BEAM//SLOW POSITRON BEAM//POSITRON MICROSCOPE
2 0.0000135059 ELECTRON MOMENTUM DENSITY//COMPTON PROFILE//COMPTON SCATTERING
3 0.0000094323 FREE VOLUME//POSITRONIUM//POSITRON ANNIHILATION
4 0.0000090515 CU BEARING STEEL//COPPER PRECIPITATES//FE CU ALLOY
5 0.0000070720 MAGNET SENSOR//GROUP III V EXCEPT NITRIDES//COPPER VACANCY COMPLEX
6 0.0000064109 CASTING MET//SALOL//SOLIDIFICATION THEORY
7 0.0000050585 DELOCALIZED POSITRONIUM//POSITRONIUM PHONON INTERACTIONS//COMMUN INFORMAT SYST S
8 0.0000049761 DEFECTS POINT DEFECTS//CONSTITUTIONAL VACANCIES//TRIPLE DEFECTS
9 0.0000043358 IMPURITY DIFFUSION//CURVED ARRHENIUS PLOT//IMPURITY DIFFUSION IN BETA TITANIUM
10 0.0000036171 ON LINE COMPRESSION//PEAK SEARCHING//SPECTRA VISUALIZATION