Growing silicon thin–films laterally over amorphous substrates using the vapor–liquid–solid technique
Bibliographic record
Abstract
A new technique for growing two-dimensional, laterally grown silicon crystals has been developed.This research borrows from previously reported crystal growing techniques such as Bridgman-Stockbarger growth, epitaxial layer overgrowth, and the vapor-liquid-solid method.Reviews of these technologies are presented.To achieve laterally growth of silicon films, a variant of the vapor-liquid-solid method was utilized, along with equipment and materials traditionally used for microelectronics, to fabricate test structures know as micro-crucibles.These test structures are templates of amorphous materials which confine gold catalyst to a specified geometry.Upon the introduction of a reactive, silicon-containing gas, which diffuses into the micro-crucible and preferentially cracks at the confined gold catalyst, the vaporliquid-solid process takes place and two-dimensional silicon crystals are nucleated from supersaturated gold-silicon alloys within the confines of the micro-crucible.The experimental techniques used to fabricate the micro-crucibles and analyze the silicon growth are described, and new theories on the mechanics of vapor-liquidsolid growth within the micro-crucible test structures are discussed.Semiconducting films grown laterally from micro-crucibles are potential enablers of photovoltaic, optical interconnect, three-dimensional transistor and silicon/III-V on-chip integration technologies, and micro-crucibles are as useful research tools for fundamental studies on grain boundary and solidification theory.v ABR ÉG É Une nouvelle technique pour faire croître des cristaux deux-dimensionnels de silicone, crûs latéralement, a été développée.Cette recherche prête des techniques rapportées antérieurement, tel que la croissance Bridgman-Stockbarger, la surcroissance épitaxiale par couches et la méthode vapeur-liquide-solide.Ces techniques sont révisées et discutées en détails.Pour obtenir des pellicules de silicone crues latéralement, une variation de la méthode vapeur-liquide-solide a été utilisée avec de l'équipement et des matériaux utilisés surtout dans des microélectroniques.Des structures tests, appelées des micro-creusets, ont donc été fabriquées.Ces structures tests sont des modèles de matériaux amorphes qui confinent un catalyseur d'or à une géométrie spécifique.Pendant l'introduction d'un gaz contenant de la silicone réactif, qui diffuse dans le micro-creuset et fend préférentiellement au catalyseur d'or confiné, le procédé vapeur-liquide-solide prend place et il y a une nucléation des cristaux de silicone deux-dimensionnels surgissant des alliages sursaturés d'or et de silicone dans les confines du micro-creuset.Les techniques expérimentales utilisées pour fabriquer les micro-creusets et pour analyser la croissance du silicone sont décrites, et de nouvelles théories sur les mécanismes de la croissance vapeur-liquidesolide dans les micro-creusets sont discutées.Les pellicules semi-conductrices crues latéralement sont des facilitatrices potentielles de photovoltaiques, d'interconnexions optiques, de transistors trois-dimensionnels et de technologies intégratrices de puces silicone/III-V.Les micro-creusets sont aussi des outils de recherche utiles pour des études fondamentales sur les fonds de grains et la théorie de solidification.vi
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".