Raman effect

E129045

inelastic light scattering process spectroscopic phenomenon

The Raman effect is a spectroscopic phenomenon in which light scattered by a material undergoes a change in wavelength due to interactions with the material’s molecular vibrations, providing a powerful tool for chemical and structural analysis.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (3)

Label	Occurrences
Raman effect canonical	5
Raman spectroscopy	3
Raman scattering	2

Statements (53)

Predicate	Object
instanceOf	inelastic light scattering process ⓘ spectroscopic phenomenon ⓘ
basedOn	inelastic scattering of photons ⓘ
contrastedWith	Brillouin scattering ⓘ Rayleigh scattering ⓘ
describedBy	Raman scattering cross section ⓘ
discoveredBy	C. V. Raman ⓘ K. S. Krishnan ⓘ
discoveryYear	1928 ⓘ
givesRiseTo	Stokes lines ⓘ anti-Stokes lines ⓘ
hasApplicationIn	art conservation ⓘ biology ⓘ chemistry ⓘ geology ⓘ materials science ⓘ medicine ⓘ physics ⓘ
involves	change in wavelength of scattered light ⓘ molecular vibrations ⓘ phonons in solids ⓘ rotational transitions ⓘ vibrational transitions ⓘ
namedAfter	C. V. Raman ⓘ
observedIn	gases ⓘ liquids ⓘ solids ⓘ
occursIn	light scattering ⓘ
recognizedBy	Nobel Prize in Physics ⓘ surface form: Nobel Prize in Physics 1930 for C. V. Raman
relatedTo	rotational energy levels ⓘ vibrational energy levels ⓘ
requires	monochromatic incident light ⓘ
resultsIn	frequency shift of scattered light ⓘ
spectralRegion	near-infrared light ⓘ ultraviolet light ⓘ visible light ⓘ
typicallyUses	laser excitation ⓘ
underlies	Raman effect self-linksurface differs ⓘ surface form: Raman spectroscopy coherent anti-Stokes Raman scattering ⓘ resonance Raman spectroscopy ⓘ stimulated Raman scattering ⓘ surface-enhanced Raman spectroscopy ⓘ
usedFor	biological tissue analysis ⓘ chemical analysis ⓘ forensic analysis ⓘ material characterization ⓘ molecular identification ⓘ nanomaterials characterization ⓘ pharmaceutical analysis ⓘ phase identification ⓘ semiconductor characterization ⓘ stress analysis in solids ⓘ structural analysis ⓘ

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: Raman effect
Description of subject: The Raman effect is a spectroscopic phenomenon in which light scattered by a material undergoes a change in wavelength due to interactions with the material’s molecular vibrations, providing a powerful tool for chemical and structural analysis.

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.

C. V. Raman → knownFor → Raman effect ⓘ

this entity surface form: Raman scattering

C. V. Raman → discovery → Raman effect ⓘ

Raman effect → underlies → Raman effect self-linksurface differs ⓘ

this entity surface form: Raman spectroscopy

National Science Day in India → associatedDiscovery → Raman effect ⓘ

Raman → isKnownFor → Raman effect ⓘ

subject surface form: C. V. Raman

Raman → hasNotableAssociation → Raman effect ⓘ

Stokes shift → occursIn → Raman effect ⓘ

this entity surface form: Raman spectroscopy

Rayleigh scattering → contrastedWith → Raman effect ⓘ

this entity surface form: Raman scattering

Kramers–Heisenberg dispersion formula → usedIn → Raman effect ⓘ

this entity surface form: Raman spectroscopy