Lilienfeld field-effect transistor concept
E561825
The Lilienfeld field-effect transistor concept is an early theoretical design for a voltage-controlled semiconductor device that anticipated the modern field-effect transistor decades before it became practical.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lilienfeld field-effect transistor concept canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6007168 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lilienfeld field-effect transistor concept Context triple: [Julius Edgar Lilienfeld, notableFor, Lilienfeld field-effect transistor concept]
-
A.
surface-barrier transistor
The surface-barrier transistor is an early high-frequency, high-speed transistor design that used metal contacts formed on a very thin germanium base, enabling faster operation than earlier point-contact and alloy-junction transistors.
-
B.
Plenty of Room at the Bottom
"Plenty of Room at the Bottom" is a famous 1959 lecture by physicist Richard Feynman that is widely regarded as a foundational vision for the field of nanotechnology.
-
C.
Esaki diode
The Esaki diode is a heavily doped semiconductor tunnel diode that exhibits negative differential resistance, enabling high-speed and microwave-frequency electronic applications.
-
D.
MOSFETs
MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) are semiconductor devices widely used for efficient electronic switching and amplification in power management and digital circuits.
-
E.
Shockley Semiconductor Laboratory
Shockley Semiconductor Laboratory was a pioneering Silicon Valley research and development company founded by Nobel laureate William Shockley that became the seed for many later semiconductor firms, including those started by the "traitorous eight."
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lilienfeld field-effect transistor concept Target entity description: The Lilienfeld field-effect transistor concept is an early theoretical design for a voltage-controlled semiconductor device that anticipated the modern field-effect transistor decades before it became practical.
-
A.
surface-barrier transistor
The surface-barrier transistor is an early high-frequency, high-speed transistor design that used metal contacts formed on a very thin germanium base, enabling faster operation than earlier point-contact and alloy-junction transistors.
-
B.
Plenty of Room at the Bottom
"Plenty of Room at the Bottom" is a famous 1959 lecture by physicist Richard Feynman that is widely regarded as a foundational vision for the field of nanotechnology.
-
C.
Esaki diode
The Esaki diode is a heavily doped semiconductor tunnel diode that exhibits negative differential resistance, enabling high-speed and microwave-frequency electronic applications.
-
D.
MOSFETs
MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) are semiconductor devices widely used for efficient electronic switching and amplification in power management and digital circuits.
-
E.
Shockley Semiconductor Laboratory
Shockley Semiconductor Laboratory was a pioneering Silicon Valley research and development company founded by Nobel laureate William Shockley that became the seed for many later semiconductor firms, including those started by the "traitorous eight."
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
early transistor design
ⓘ
field-effect transistor concept ⓘ |
| anticipated | modern field-effect transistor ⓘ |
| contributedTo | history of transistor development ⓘ |
| controlType | voltage-controlled ⓘ |
| describedAs | theoretical design ⓘ |
| field |
semiconductor electronics
ⓘ
solid-state physics ⓘ |
| hasControlMechanism | electric field ⓘ |
| hasFunction | control current via an electric field ⓘ |
| hasKeyIdea |
modulation of channel conductivity by gate voltage
ⓘ
use of an electric field without direct current flow through the control electrode ⓘ |
| hasLimitation | not technologically feasible at time of proposal ⓘ |
| hasProperty |
conceptual precursor to practical FETs
ⓘ
voltage-controlled resistance in a semiconductor channel ⓘ |
| influenced | later FET developments ⓘ |
| involves |
insulated control electrode
ⓘ
semiconductor channel ⓘ source and drain electrodes ⓘ |
| namedAfter | Julius Edgar Lilienfeld NERFINISHED ⓘ |
| precedes | practical field-effect transistor implementations ⓘ |
| relatedTo |
junction field-effect transistor
ⓘ
metal–oxide–semiconductor field-effect transistor ⓘ |
| timePeriod | early 20th century ⓘ |
| usesMaterial | semiconductor ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Lilienfeld field-effect transistor concept Description of subject: The Lilienfeld field-effect transistor concept is an early theoretical design for a voltage-controlled semiconductor device that anticipated the modern field-effect transistor decades before it became practical.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.