Exploring the microwave absorption properties of Morchella Esculenta: A sustainable biomaterial for electromagnetic interference shielding
Why this work is in the frame
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Bibliographic record
Abstract
The pursuit of sustainable and efficient materials for microwave absorption has gained significant momentum in recent years. This research article investigates the microwave absorption properties of the Himalayan mushroom Morchella Esculenta as a sustainable biomass material for electromagnetic interference (EMI) shielding applications. The study encompasses morphological, optical, and dielectric characterizations of Morchella Esculenta powder in the frequency range of 2–18 GHz. Morphological analysis reveals the presence of plate-like and wire-like structures along with voids, which contribute to polarization and conductive losses, enhancing microwave absorption. Dielectric measurements indicate significant polarization effects and conductive losses, with a maximum reflection loss of − 27.37 dB at 13.78 GHz for a 7 mm thick sample and an effective absorption bandwidth of 8.15 GHz. The material’s amorphous nature, functional groups, and a low optical band gap of 2 eV further support its microwave absorption capabilities. Simulation studies using CST Microwave Studio confirm near-perfect electromagnetic wave absorption at optimal thickness. The findings demonstrate that Morchella Esculenta, without any chemical or physical treatment, exhibits promising microwave absorption performance, highlighting its potential as an eco-friendly and efficient material for EMI shielding and related technological applications.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it