Class information for: |
Basic class information |
| ID | Publications | Average number of references |
Avg. shr. active ref. in WoS |
|---|---|---|---|
| 15759 | 624 | 14.1 | 49% |
Classes in level above (level 2) |
| ID, lev. above |
Publications | Label for level above |
|---|---|---|
| 1991 | 5062 | IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT//METROLOGIA//AVOGADRO CONSTANT |
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 | CRYOGENIC CURRENT COMPARATOR | Author keyword | 33 | 83% | 3% | 19 |
| 2 | AC QUANTUM HALL EFFECT | Author keyword | 20 | 100% | 1% | 9 |
| 3 | CURRENT COMPARATORS | Author keyword | 9 | 50% | 2% | 13 |
| 4 | QUADRATURE BRIDGE | Author keyword | 9 | 83% | 1% | 5 |
| 5 | COAXIAL BRIDGES | Author keyword | 8 | 100% | 1% | 5 |
| 6 | FOUR TERMINAL PAIR | Author keyword | 8 | 100% | 1% | 5 |
| 7 | QUANTIZED HALL RESISTANCE | Author keyword | 8 | 62% | 1% | 8 |
| 8 | RESISTANCE MEASUREMENT | Author keyword | 7 | 23% | 4% | 26 |
| 9 | QUANTIZED HALL RESISTANCE QHR | Author keyword | 6 | 80% | 1% | 4 |
| 10 | CCC BRIDGE | Author keyword | 6 | 100% | 1% | 4 |
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 | CRYOGENIC CURRENT COMPARATOR | 33 | 83% | 3% | 19 | Search CRYOGENIC+CURRENT+COMPARATOR | Search CRYOGENIC+CURRENT+COMPARATOR |
| 2 | AC QUANTUM HALL EFFECT | 20 | 100% | 1% | 9 | Search AC+QUANTUM+HALL+EFFECT | Search AC+QUANTUM+HALL+EFFECT |
| 3 | CURRENT COMPARATORS | 9 | 50% | 2% | 13 | Search CURRENT+COMPARATORS | Search CURRENT+COMPARATORS |
| 4 | QUADRATURE BRIDGE | 9 | 83% | 1% | 5 | Search QUADRATURE+BRIDGE | Search QUADRATURE+BRIDGE |
| 5 | COAXIAL BRIDGES | 8 | 100% | 1% | 5 | Search COAXIAL+BRIDGES | Search COAXIAL+BRIDGES |
| 6 | FOUR TERMINAL PAIR | 8 | 100% | 1% | 5 | Search FOUR+TERMINAL+PAIR | Search FOUR+TERMINAL+PAIR |
| 7 | QUANTIZED HALL RESISTANCE | 8 | 62% | 1% | 8 | Search QUANTIZED+HALL+RESISTANCE | Search QUANTIZED+HALL+RESISTANCE |
| 8 | RESISTANCE MEASUREMENT | 7 | 23% | 4% | 26 | Search RESISTANCE+MEASUREMENT | Search RESISTANCE+MEASUREMENT |
| 9 | QUANTIZED HALL RESISTANCE QHR | 6 | 80% | 1% | 4 | Search QUANTIZED+HALL+RESISTANCE+QHR | Search QUANTIZED+HALL+RESISTANCE+QHR |
| 10 | CCC BRIDGE | 6 | 100% | 1% | 4 | Search CCC+BRIDGE | Search CCC+BRIDGE |
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 | CRYOGENIC CURRENT COMPARATOR | 19 | 63% | 3% | 19 |
| 2 | QUANTIZED HALL RESISTANCE | 17 | 36% | 6% | 38 |
| 3 | AC MEASUREMENTS | 17 | 70% | 2% | 14 |
| 4 | OHM | 15 | 63% | 2% | 15 |
| 5 | DC MEASUREMENTS | 14 | 100% | 1% | 7 |
| 6 | JOSEPHSON POTENTIOMETER | 11 | 100% | 1% | 6 |
| 7 | RATIO BRIDGE | 11 | 100% | 1% | 6 |
| 8 | INDUCTIVE VOLTAGE DIVIDERS | 9 | 83% | 1% | 5 |
| 9 | 1 T OMEGA | 8 | 100% | 1% | 5 |
| 10 | QUADRATURE BRIDGE | 8 | 100% | 1% | 5 |
Journals |
Reviews |
| Title | Publ. year | Cit. | Active references | % act. ref. to same field |
|---|---|---|---|---|
| Resistance metrology based on the quantum Hall effect | 2009 | 24 | 91 | 45% |
| The quantum Hall effect as an electrical resistance standard | 2001 | 98 | 186 | 28% |
| Compendium for precise ac measurements of the quantum Hall resistance | 2009 | 7 | 21 | 100% |
| Cryogenic Current Comparators for the Realisation of Electrical Quantum Standards | 2013 | 1 | 32 | 72% |
| The metrology of electrical impedance at high frequency: a review | 2009 | 10 | 55 | 56% |
| Electrical resistance standards and the quantum Hall effect | 1998 | 21 | 82 | 70% |
| Proposal for the direct comparison of the standards of, capacitance and inductance to ac QHR | 2013 | 0 | 7 | 86% |
| The ampere and electrical standards | 2001 | 4 | 61 | 41% |
| Practical and Fundamental Impact of Epitaxial Graphene on Quantum Metrology | 2013 | 0 | 25 | 24% |
| PHYSICAL RESISTANCE STANDARD BASED ON THE QUANTUM HALL-EFFECT | 1987 | 2 | 27 | 52% |
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 | QUANTUM METROL GRP | 6 | 100% | 0.6% | 4 |
| 2 | CENT IND ELECT | 3 | 60% | 0.5% | 3 |
| 3 | ELECT ELECT ELECT ENGN | 3 | 60% | 0.5% | 3 |
| 4 | QUANTUM STAND | 2 | 67% | 0.3% | 2 |
| 5 | MEASUREMENT SCI ELECT CONTROL | 2 | 33% | 0.8% | 5 |
| 6 | ELE OMAGNET TIME METROL | 2 | 29% | 1.0% | 6 |
| 7 | QUANTUM ELECT METROL | 1 | 21% | 1.0% | 6 |
| 8 | ELECT QUANT METROL | 1 | 40% | 0.3% | 2 |
| 9 | LCIE | 1 | 27% | 0.5% | 3 |
| 10 | TECHNOL ADMUS COMMERCE | 1 | 33% | 0.3% | 2 |
Related classes at same level (level 1) |
| Rank | Relatedness score | Related classes |
|---|---|---|
| 1 | 0.0000258832 | JOSEPHSON ARRAYS//VOLTAGE STANDARD//JOSEPHSON VOLTAGE STANDARD |
| 2 | 0.0000175375 | AVOGADRO CONSTANT//KILOGRAM//WATT BALANCE |
| 3 | 0.0000152915 | AC DC TRANSFER//THERMAL CONVERTERS//AC DC DIFFERENCE |
| 4 | 0.0000150047 | QUANTUM HALL EFFECT//INTEGER QUANTUM HALL EFFECT//BREAKDOWN OF QUANTUM HALL EFFECT |
| 5 | 0.0000053487 | NOISE THERMOMETRY//PLTS 2000//BASIC THERMAL METROL |
| 6 | 0.0000049780 | CAPACITIVE SENSOR//PARASITIC CAPACITANCE ESTIMATION//WIDE RANGE RESISTIVE SENSORS |
| 7 | 0.0000047695 | ANALOG SCRAMBLER//HARTSHORN BRIDGE//CLEMSON ENGN DESIGN PLICAT CEDAR |
| 8 | 0.0000046293 | SURFACE MOUNT DEVICE//SEZAWAS THEORY//SIDE WALL ELECTRODE |
| 9 | 0.0000043632 | SINGLE ELECTRON TRANSISTOR SET//COULOMB BLOCKADE//SINGLE ELECTRON TRANSISTOR |
| 10 | 0.0000042918 | COOPER PAIR MASS//GRAVITATIONAL BREMSSTRAHLUNG//HFGWS |