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A public research platform for simulants, literature, experiments, properties, and DOI-backed source records. Built with reviewer verification in mind.

Initiated by the atlas maintainer as an open research infrastructure project for lunar materials work.

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EPR analysis | Lunar Simulant Atlas

Needs reviewLiterature-derived experiment

EPR analysis

Electron paramagnetic resonance linked to Experiment, with source literature and related extracted records kept visible.

95%

Confidence

1

Literature sources

2

Linked simulants

7

Linked properties

Record profile

Measurement type

Electron paramagnetic resonance

Application

Experiment

Primary source

Chemical changes in terrestrial lunar simulants exposed to gamma radiation simulating lunar ionizing radiation environment

Review state

needs review

Linked simulants

JSC-1Asubject_of_studyNeeds review OPRH2Nlunar simulantNeeds review

Related properties

temperature900°C100%CrystallinityVaries with heat treatment conditions100%iron oxidation state2+ state at around the 76% level100%Free radical formationobserved100%EPR responseincreased100%

Evidence snippets

Fig. 4 EPR signatures for (a) JSC-1A, (b) OPR2HN before and after irradiation.

Source literature

Main reference: Chemical changes in terrestrial lunar simulants exposed to gamma radiation simulating lunar ionizing radiation environment

N. Mitra, T. M. McQueen, R. Volpe, M. Daly, V. Desai, N. Armitage | 2025 | Planetary and Space Science

DOI 10.1016/j.pss.2024.106031

Extraction state

95%

1 source

Needs review

Back to experiments

Strainincreased

100%

defectsinitial defects in simulants80%