Some standard content:
Industry Standard of Electronic Industry of the People's Republic of China SJ/T 10140-91
Terms for superconducting electronics
Published on April 2, 1991
Implementation on July 1, 1991
Published by the Ministry of Machinery and Electronics Industry of the People's Republic of China Industry Standard of Electronic Industry of the People's Republic of China Terminology for superconducting electronics
Terms for superconductor electroutics 1 Main content and applicable scope
1.1 Subject content
SJ/10149—91
This standard specifies the common terms in the field of superconductivity, including the technical spectrum of three aspects: superconductivity, Jovian effect and effective superconducting devices.
1.2 Scope of application
This standard is mainly applicable to the following fields of superconductivity: 2 Superconductivity
2.1 Superconductivity When the temperature drops to a certain value, some materials show the properties of DC resistance and antimagnetic resistance. 2.2 Superconducting state superconducting state
DC resistance and antimagnetic properties. 2. Superconductor guperrondhiciom
The material with superconductivity.
2.4 Critical temperature The temperature at which a superconductor changes from the positive band state to the superconducting state is also called the transition temperature. Symbols are used to represent the transition temperature. The unit is K. 2.5 Transition temperature tansitlonlemperature See 2.4.
2.6 Onset transition temperature
onseltransdricahfemperature
The temperature at which the superconductor undergoes a transition from the normal state to the superconducting state. 2.7 Zero resistance temperature zcroressancemperaturc The temperature at which a superconductor shows zero resistance on the resistance-degeneration curve. Transition width transition width
The range of the superconductor from the onset transition temperature to the zero resistance during the transition from the stop band to the superconducting state. The passband refers to the temperature range corresponding to 10% to 10% of the normal state resistance. 2.9 Midpoint transition temperature mld-1tankitic-n termpetaiure The midpoint transition temperature on the superconductor's resistance-temperature curve corresponds to the half of the normal resistance. 2.10 Critical current
is the amount of current through the superconducting body, represented by the symbol 1, S unit: A, approved by the Ministry of Machinery and Electronics Industry of the People's Republic of China on April 2, 1991, 19910701
2.11 Critical magnetic field SF/1 10140. --91
is the thermodynamic superconducting critical field. The same symbol represents the unit: A. It is defined as, +
c, - a =
, where is the Gibbs free energy (Gs) of the positive and negative bands in the field, is the space, is the volume, and for the first class of conductors, H. It is the critical field strength for internal deelectrical properties, 2.121 critical magnetic field lawer rrltleal eld, that is, the lower critical (magnetic) field strength: represented by the symbol H1, SI unit, m, defined as: for the first type of conductor, the intermediate value of the field strength that makes the magnetic flux enter the superconducting conductor. 2.13F upper critical magnetic field is the upper critical magnetic field strength, represented by the symbol Hc2, S unit: A/m, defined as the critical field strength that makes the superconducting energy disappear for type 1 superconductors,
2.14 Normal-mode
A superconductor that is not properly tested by the external factors such as temperature, magnetic field, and current does not show any characteristics of superconductivity. This thermodynamic state is called the normal state. 2.15 Zero resistance 2eroresisrance
A resistor with a resistance of quarter resistance. In practice, when the resistance is less than the recognized standard, it can be used as a quarter resistance. 2.18
Meissner effect
Meissner effact
The material in the superconducting state shows complete flux exclusion, also known as complete diamagnetism. 2.17 Completely inductive element pertcctdiamagnc usm See 2.16 tea,
2.18 Isotope effect
isotopeeffect
The critical temperature T mentioned above. The isotope mass also changes with the change of the property, that is, T, = the number of bands, with the constant r = e 1/2:
2.19 Penetration depth
penettatiandepiy
The depth of external magnetic field penetration into the superconductor is shown by! jujube. When the magnetic flux density in a superconductor decreases exponentially to only one of the flux density at its decay surface, the corresponding distance is the penetration depth, SI unit: m. The penetration depth given by the London equation is called the London penetration depth, expressed in Å: e: effective charge of an electron, Å: effective charge of an electron, Å: C: effective charge of an electron, Å: k;
superconducting number!
conductivity in vacuum (4-4m×10-Hm)
2.20 coherence length
coherent length
the distance at which disturbances in a superconductor have a significant effect, expressed in Å, SI unit: m. 2
2.21 Two-full mode
SI/T10:4091
A model in which the electrons in a substance in the superconducting state are composed of superconducting electrons and normal electrons. 2.22 London/Landeneqlion6
The electrodynamic equation that describes and uses the electrical properties of a superconductor in the superconducting state. aus
First equation:
Second equation:
In the formula,
Magnetic permeability in reality (ao=4w×IC-\H/m): grid number and SI unit m
-current density, SI unit, A/m
Electric field degree, SI unit: Vm
-current density, SI unit, S1 unit, T,
2.23BCS theory BCS tinory
Microscopic theory of superconductivity proposed by Dardeen, Cooper and Schreiber 2.24 Electron elecuron pairs
A small number of equal, opposite-direction and opposite-direction electrons near the Fermi surface form pairs through some kind of attraction.
2.25 Superenergy gap The minimum energy required to break up a superelectron pair into two single electrons, expressed as 20. 2.26
Abnormal skin effect Abnormal skin effect When the skin depth is less than the mean free path, the surface resistance of the conductor does not decrease with the increase of conductivity, but tends to a certain value, abnormal collection effect. 2.27
Current loss AC. erJ
When a superconductor transmits an alternating current and an alternating drive field, the amount of heat energy converted from electrical energy is lost. 2.28 Conductive period superconductingt,f.los The loss of a superconductor when transmitting and receiving electromagnetic signals. 2.29 Radiation conductivity Radlo-troqueney supenonducivy The property of a superconductor with a surface resistance that is not uniform under the action of a radioelectric field below a critical value T. 2.3D interface energy Tonary encrgy
The external energy required to form a normal-superconducting interface in a thick conductor in an external field. It can be positive or negative.
2.37 Efficiency-parametels
A parameter in GL theory that distinguishes one type of superconductor from another. It is a material constant. 2.32 Type I superconductor typesupercanductoro
, that is, a superconductor with an interface energy greater than zero.
2.33 Type I superconductor
siyesupenconiustan
, a superconductor with an interfacial energy less than zero,
2.34 Mixed state
in HaHOxide superconductors. 3. The proximity effect
31 Superconducting electronics spetonducreernis A discipline that studies the physical laws of superconducting devices and their applications. 3.2 Proximity effect praxlmityetfeets
When a normal conductor contacts a superconductor, due to the mutual correlation of electric or electric pairs, the side of the positive band conductor close to the superconductor will appear superconducting, and the characteristics of the superconductor side (such as critical temperature, etc.) will also be affected by the positive band conductor. These effects are called proximity effect. 33 WeakHnk
A kind of overall structure formed by connecting a superconductor and an interesting conductor through a non-superconducting barrier or a small area with relatively high superconductivity.
3.4 Proximity effect Josephphoneffeat The electric pair passes through the potential barrier between superconductors and even causes the reverse effect. The subject was first proposed by John Leffson, hence the name, 35
single electron tunneling effect is the tunneling effect caused by a single electron passing through a potential barrier (a potential barrier between two superconductors or between a superconductor and a superconductor).
38 superconducting tunneling effect
2qupercuasctirg lunneling effect is the general term for John Leffson effect and single electron tunneling effect, 371
direct John Leffson effect3, cosephaoleffeet when the voltages at both ends of a junction are equal, there is still a superconducting current passing through the junction. AC Joehson effect A, C, Jasephaomeffet3.8
When a voltage is applied to a Josephson junction, a resistive current is generated in the junction. 3.9 The critical current density of Joehson junction is less than or equal to the full light penetration depth. The voltage shear appears on the junction. The Infantson junction can withstand a large self-applied electric current. It is represented by the symbol J, SI unit: A/m. 3. The overall expression of the Josephson's junction effect is: J = degind
70140-97
- the current density through the junction, SI unit: A/m Where,
J. is the critical current density of the Josephson junction, SL unit, A, m electron current,
normal integral,
W is the DC voltage applied to the junction
- the phase angle of the wave in the two superconducting electrodes of the Josephson junction! =B, the sum of the London avoidance depth and the potential barrier thickness in the superconducting electrodes on both sides of the special junction, the tangential component of the field in the barrier layer along the direction of the field, and the tangential component of the field in the barrier layer along the direction of the field. The slope of the current with voltage characteristic curve of the device is represented by the symbol, =r/d. Also known as divided resistance
3.12 Microwave-induced step
microwave-induced stepy
When a Joseph junction is irradiated with a magnetic slope, a series of current steps appear at equal intervals on the junction:
3.13 Josephsom penetration depth Josephsom penetration depth When the Joseph current is confined to a critical region near the edge of the junction, it is called the Josephsom penetration depth. It is usually expressed by the equal sign and calculated according to the following formula,
where J is. —\Critical charge density of a Schiffson junction, SI unit A/\\The sum of the penetration depth and the thickness of the barrier layer on both sides of the superconductor, unit: 3.14 Superconducting film superponducting thln flm thickness and the penetration depth are relatively large (usually refers to a superconducting film below 1um), 3.15 Snalljuclio
The length and width of the barrier layer are both less than the Schiffson penetration depth. 3.16 LargcJunetlons
The length or width of the barrier layer is equal to or greater than the Schiffson penetration depth. 3.17 Superconducting junctions superconductingjrklions The total number of superconducting elements that can produce the Schiffson effect or the single electron tunneling effect. Superconducting junctions 3.18
A superconducting junction composed of a superconductor-tunnel barrier-superconductor with a superconducting effect or a single electron tunneling effect.
3.19Microbridge
A superconducting junction in which two superconductors are connected by a superconductor of the same length. 3.20 Point contact junctions [in nlaul iultios]A superconducting junction formed by a certain pressure between the top of a needle-shaped conductor and the plane of another superconductor. 4 Superconducting parts
61,T 10140—91
4.1 Superconducting devices supercanduetngdevices Devices made by superconducting effect.
4.2 Conductor-semiconductor diodes diodes formed by the junction of superconductors and semiconductors. 4. Superconducting diodes supereonducilngansisior It has three electrodes and can play the role of amplification, absorption or switching. 4.4 Superconducting detectors supereanducalngdetectors Detect weak signals by using the change of the voltage characteristics of superconducting junctions under micro-radiation. .5 Superconducting detectors Sucrconductlngmlxe Devices that use superconducting junctions as nonlinear elements to achieve the combination of detection signals and local oscillator signals to obtain intermediate frequency output signals.
4. Japanese superconducting mixers Interaly pu:iijped suercordicting A mixer is a kind of superconducting mixer, which uses the superconducting junction itself as the signal source under a certain mutual current bias.
4. Superconducting wave mixer supcrbonduetingharnonicmdxcr superconducting mixer. The local oscillator signal with a lower frequency is passed through the superconducting junction to mix with the detected signal at the same frequency,
superzonductinsparametricamglifiet4.B superconducting multiplexer
a superconducting multiplexer is a receiver formed by cutting the superconducting junction.
4. Four-photon parametric amplifier jahuluruge:usluctingariaelrie:iarrpl:fisr In the superconducting amplifier, if two photons with a signal frequency are matched with a space, the signal frequency must be 2% higher than the space frequency. The relationship between the rescue rate and the idle rate is
, then it is called a four-photon superconducting parametric amplifier. D.0 Three-photon superconducting parametric amplifier aphuanmpercaruludiuewtarnetricupiFien In the supercombiner amplifier, if a pump frequency photon is converted into a signal frequency photon and a non-idle frequency photon, and the relationship between the idle rate and the idle rate is full = (home elimination rate - horn rate, idle rate), then it is a two-photon superconducting parametric amplifier. 4.11 Superconducting parametric amplifier internallyudunlu:lilcicmplilje Under a certain DC bias, the superconducting product is used as a pump. The parametric amplifier, 412 Superconducting oscillator (supercariducting oscillatot (Jcsepaconnucillator) uses AC power to generate micro-attenuated electromagnetic oscillations on the conductive structure. Also called a drug oscillator: 4, 13 The standard of the drug oscillator is a device that measures the frequency to measure the voltage value. 14 Superradiometer is a superconducting device that detects electromagnetic radiation or thermal radiation. 4.15 Yotron is a torsion device that controls the superconductor from the superconductor to the normal state by the change of color, temperature or current to realize the switching function. SI/T 10140:91 4.16 Superconducting computer is a computer composed of superconducting logic circuits and storage circuits. Supertransmission line is a supercor.ducting transmissian Jino 4.17
superconducting transmission line made of superconducting materials.
superorducling couxial ine
superconducting transmission line
using superconducting materials as inner and outer conductors 4.19 superconducting microstrip line apcrccorductingmlerostrlpltnc microwire made of superconducting thin strands and strip conductors. 4.20 superconducting extension line supervorductingdekayline superconducting extension line made of superconducting materials.
superconducting spectrum store supertorllingreonuuvity4.21
superconducting series.
sercondclingneana
receiving torsion potential radiation filling and re-electrolysis tube made of superconducting materials 4.23 coal conducting tire migration deep bacteria
supereancluling cuvity sialilizedl (terjyerty tat:illefolA high frequency stabilizing device with a phase resonant cavity as the monitor is set up, and the superconducting device (SQrD) is made by utilizing the superconducting loop of a combined superconducting junction with the phenomenon of quantum fluctuations. 4.25
DC-SQUID
uses a DC compression junction and has measured ten superconducting circuits: 4.28
superconducting-frequency stabilizing device (R-sl) uses a superconducting station with a quantum fluctuations in the conduction loop. 4.27
superconducting compensation meter supernonduedngmagnetomeer is a chain meter using superconducting devices as the most effective sensing device, 4.28
superconducting signal meter supcrcondctinggradintmerer is a superconducting device using conductive devices as the sensing element of the dense field gradient 4.29 fluxiransformer is a superconducting circuit that combines the detection data into the conductive device. RCS theory
superconducting film
superconducting parametric amplifier
superseeding transmission line
superconducting magnetometer
superconductivity
superconducting industry and science
superconducting radiator
superconducting mixer
superconducting computer
superconducting detector
superconducting station
superconducting transistor
superconducting quantum interferometer
superconducting energy gap
supersignal device
superconducting cavity stabilizer Frequency Analyzer
Superconducting Decoder
Superconducting Tunnel Junction
Superconducting Inverse Effect
Superconducting State
Rough Conductive Gradiometer
Superconductor
Superconductor-Semiconductor Interconnection
Superconducting Antenna
Superconducting Axis
Superconducting Microstrip Line
Superconducting Harmonic Frequency Analyzer
Superconducting Cavity
Superconducting Delayed Resonator
Superconducting Resonator (Jefferson Resonator)
83/1 10140—91
Appendix A
Chinese Pinyin Example
(Test material)
Through the medical depth
Single electron resistance effect
Second-order conduction
The first-class superconductor
Point junction
Electron pair
Dynamic resistance
First-class fluid film type
Anomaly-induced effect
High-temperature oxide ceramic superconductor
Fusion state
Cross-conduction loss
Cross-construction effect
Boundary energy
SJ:T 40
cold electron position
critical dense field
critical current
critical degree
Guo Jin effect
zero resistance
teaching group
return effect
initial transition temperature
weak connection
three-photon super quantum amplifier
upper critical dense field
super electron conduction
radiation guided quantum device (RF-SQUID). Four-photon superconducting step-based amplifier
isotope effect
completely resistant
microwave waist step| |tt||S4/T1640—91
Underlying magnetic field
Maintaining penetration depth
Medicine standard
Naser optical probe
About critical current density of weak light junction
About cloud efficiency
Normal concept
Direct superconducting quantum interferometer
Direct current
Point conversion density bottom
Transformation width
Transformation width
Self-superconducting lucky emitter
Self-superconducting mud frequency converter
SJ/T 10140-·81
Rough Conductivity Gradiometer
Superconductor
Superconductor-semiconductor semiconductor chip
Superconducting antenna
Superconducting axis
Superconducting microstrip line
Superconducting harmonic frequency generator
Superconducting cavity
Superconducting delay generator
Superconducting resonator (Jefferson photoelectric converter)
83/1 10140—91
Appendix A
Chinese Pinyin Example
(Test material)
Through the medical depth
Single electron resistance effect
Second-order conduction
The first-class superconductor
Point junction
Electron pair
Dynamic resistance
First-class fluid film type
Anomaly-induced effect
High-temperature oxide ceramic superconductor
Fusion state
Cross-conduction loss
Cross-construction effect
Boundary energy
SJ:T 40
cold electron position
critical dense field
critical current
critical degree
Guo Jin effect
zero resistance
teaching group
return effectWww.bzxZ.net
initial transition temperature
weak connection
three-photon super quantum amplifier
upper critical dense field
super electron conduction
radiation guided quantum device (RF-SQUID). Four-photon superconducting step-based amplifier
isotope effect
completely resistant
microwave waist step| |tt||S4/T1640—91
Underlying magnetic field
Maintaining penetration depth
Medicine standard
Naser optical probe
About critical current density of weak light junction
About cloud efficiency
Normal concept
Direct superconducting quantum interferometer
Direct current
Point conversion density bottom
Transformation width
Transformation width
Self-superconducting lucky emitter
Self-superconducting mud frequency converter
SJ/T 10140-·81
Rough Conductivity Gradiometer
Superconductor
Superconductor-semiconductor semiconductor chip
Superconducting antenna
Superconducting axis
Superconducting microstrip line
Superconducting harmonic frequency generator
Superconducting cavity
Superconducting delay generator
Superconducting resonator (Jefferson photoelectric converter)
83/1 10140—91
Appendix A
Chinese Pinyin Example
(Test material)
Through the medical depth
Single electron resistance effect
Second-order conduction
The first-class superconductor
Point junction
Electron pair
Dynamic resistance
First-class fluid film type
Anomaly-induced effect
High-temperature oxide ceramic superconductor
Fusion state
Cross-conduction loss
Cross-construction effect
Boundary energy
SJ:T 40
cold electron position
critical dense field
critical current
critical degree
Guo Jin effect
zero resistance
teaching group
return effect
initial transition temperature
weak connection
three-photon super quantum amplifier
upper critical dense field
super electron conduction
radiation guided quantum device (RF-SQUID). Four-photon superconducting step-based amplifier
isotope effect
completely resistant
microwave waist step| |tt||S4/T1640—91
Underlying magnetic field
Maintaining penetration depth
Medicine standard
Naser optical probe
About critical current density of weak light junction
About cloud efficiency
Normal concept
Direct superconducting quantum interferometer
Direct current
Point conversion density bottom
Transformation width
Transformation width
Self-superconducting lucky emitter
Self-superconducting mud frequency converter
SJ/T 10140-·81
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