Broken Band Alignment in EuS-CdS Nanoheterostructures
Bibliographic record
Abstract
Integration of multiple materials in a controllably programmed manner on the nanoscale has led to the evolution of the next generation of nanoparticles. We have explored the formation of bifunctional europium sulfide − cadmium chalcogenide composite nanostructures, as both of the semiconductor materials exhibit intriguing physical characteristics, suggesting that architectural tunability of these hybrid structures could have interesting effects on their collective properties. A two step synthetic procedure has been devised, where CdSe or CdS nanorods were used as a platform for the growth of the secondary material domains. An eight-coordinate lanthanide based single-source precursor, Eu(Ddtc) 3 (Bipy), was implemented as the material source for the selective growth of spherical EuS nanocrystals on the tips of cadmium chalcogenide nanorods. The composition and structure of these hybrid particles have been analyzed by high-resolution TEM. The nanoheterostrucutre has a type III, or broken band alignment, which has led to the quenching of the luminescence of the initial cadmium chalcogenide nanorods following the growth of EuS tips and the formation of the interfacial heterojunction.
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How this classification was reachedexpand
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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.009 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".