Class information for:
Level 1: NEGATIVE EFFECTIVE MASS//GAASP QUANTUM WELLS//III V SEMICONDUCTOR HETEROJUNCTIONS

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
18733 472 17.5 65%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
102 24655 SUPERLATTICES AND MICROSTRUCTURES//HYDROGENIC IMPURITY//QUANTUM WELL WIRES

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 NEGATIVE EFFECTIVE MASS Author keyword 1 31% 1% 4
2 GAASP QUANTUM WELLS Author keyword 1 100% 0% 2
3 III V SEMICONDUCTOR HETEROJUNCTIONS Author keyword 1 100% 0% 2
4 LOW TEMP SUPERCOND Address 1 100% 0% 2
5 FOLDED PHONONS Author keyword 1 50% 0% 1
6 NEGATIVE DIFFERENTIAL DRIFT VELOCITY Author keyword 1 50% 0% 1
7 NONPARABOLIC DISPERSION Author keyword 1 50% 0% 1
8 LOW TEMP SUPERCONDUCT Address 1 29% 0% 2
9 2D HOLES Author keyword 0 33% 0% 1
10 AXIAL APPROXIMATION Author keyword 0 33% 0% 1

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 NEGATIVE EFFECTIVE MASS 1 31% 1% 4 Search NEGATIVE+EFFECTIVE+MASS Search NEGATIVE+EFFECTIVE+MASS
2 GAASP QUANTUM WELLS 1 100% 0% 2 Search GAASP+QUANTUM+WELLS Search GAASP+QUANTUM+WELLS
3 III V SEMICONDUCTOR HETEROJUNCTIONS 1 100% 0% 2 Search III+V+SEMICONDUCTOR+HETEROJUNCTIONS Search III+V+SEMICONDUCTOR+HETEROJUNCTIONS
4 FOLDED PHONONS 1 50% 0% 1 Search FOLDED+PHONONS Search FOLDED+PHONONS
5 NEGATIVE DIFFERENTIAL DRIFT VELOCITY 1 50% 0% 1 Search NEGATIVE+DIFFERENTIAL+DRIFT+VELOCITY Search NEGATIVE+DIFFERENTIAL+DRIFT+VELOCITY
6 NONPARABOLIC DISPERSION 1 50% 0% 1 Search NONPARABOLIC+DISPERSION Search NONPARABOLIC+DISPERSION
7 2D HOLES 0 33% 0% 1 Search 2D+HOLES Search 2D+HOLES
8 AXIAL APPROXIMATION 0 33% 0% 1 Search AXIAL+APPROXIMATION Search AXIAL+APPROXIMATION
9 GAASP GAAS 0 33% 0% 1 Search GAASP+GAAS Search GAASP+GAAS
10 HETEROJUNCTION BAND OFFSETS 0 33% 0% 1 Search HETEROJUNCTION+BAND+OFFSETS Search HETEROJUNCTION+BAND+OFFSETS

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 TWO DIMENSIONAL HOLES 6 58% 1% 7
2 RESONANT MAGNETOTUNNELING SPECTROSCOPY 4 47% 1% 7
3 HOLE SUBBANDS 4 24% 3% 14
4 INHOMOGENEOUS STRAIN 2 67% 0% 2
5 MAGNETOTUNNELING SPECTROSCOPY 2 22% 1% 6
6 ELECTRON ACCEPTOR LUMINESCENCE 1 100% 0% 2
7 NEGATIVE EFFECTIVE MASS 1 50% 0% 2
8 GAAS ALGAAS HETEROJUNCTIONS 1 20% 1% 4
9 K P THEORY 1 18% 1% 4
10 BAND EDGE DISCONTINUITIES 1 50% 0% 1

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
STRAINED-LAYER SEMICONDUCTOR SUPERLATTICES 1990 26 88 16%
Electron and hole states in quasi-two-dimensional systems 2003 0 38 29%
MATERIAL PROPERTIES AND OPTICAL GUIDING IN INGAAS-GAAS STRAINED LAYER SUPERLATTICES - A BRIEF REVIEW 1986 19 30 40%
PREPARATION OF DEVICE-QUALITY STRAINED-LAYER SUPERLATTICES 1985 0 18 83%
THE REFRACTIVE-INDEX OF III-V-SEMICONDUCTOR STRAINED-LAYER SUPERLATTICES 1991 8 48 17%

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 LOW TEMP SUPERCOND 1 100% 0.4% 2
2 LOW TEMP SUPERCONDUCT 1 29% 0.4% 2
3 CIECIAS BASICAS 0 33% 0.2% 1
4 PHYS KASTLER BROSSEL 0 33% 0.2% 1
5 MUSASHINO ELECT COMMUN S 0 25% 0.2% 1
6 SEMICOND NANOELECT 0 25% 0.2% 1
7 URA 18 0 14% 0.2% 1
8 GRP PROPRIEDADES OPT 0 13% 0.2% 1
9 UH 0 10% 0.2% 1
10 DILAS DIODENLASER GMBH 0 100% 0.2% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000166945 LATERAL P N JUNCTION//411A GAAS SUBSTRATES//411A
2 0.0000163349 SPATIAL OPTICAL MODULATOR//ASYMMETRIC COUPLED QUANTUM WELL//SELF ELECTROOPTIC EFFECT DEVICES
3 0.0000152039 POSITION DEPENDENT MASS//EFFECTIVE MASS SCHRODINGER EQUATION//POINT CANONICAL TRANSFORMATION
4 0.0000140385 GAP ALP//GAMMA X MIXING//X CONDUCTION BAND
5 0.0000131223 INFORMAT OPT TECHNOL//HOLE SPIN//7170EJ
6 0.0000129174 TAMM THEORET//HGTE CDTE SUPERLATTICE//HGTE CDTE SUPERLATTICES
7 0.0000119519 GRP PROPRIEDADES OPT//CHARGED EXCITONS//TRION
8 0.0000116215 INASP INP//INASP//QUANTUM PHOTOVOLTA GRP
9 0.0000108709 MODIFIED LOCAL DENSITY APPROXIMATION MLDA//KINETIC CONFINEMENT//HOLE QUANTIZATION
10 0.0000105773 RESONANT TUNNELING DIODE//RESONANT TUNNELING DEVICES//RESONANT TUNNELING DIODES