High-field magnetoresistance effects and temperature-dependent spin relaxation in rubrene nanowire spin valves
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Bibliographic record
Abstract
In this work we discuss the high-field magnetoresistance effects and temperature-dependent spin relaxation in rubrene nanowire spin valves. Rubrene thin film spin valves have been studied by several groups in the past since this material can potentially offer long spin relaxation length (L <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">s</inf> ). However, the L <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">s</inf> values reported so far have been low, typically ∼10 nm at low temperatures (∼10K). Recently we have reported a vertical spin valve device using rubrene spacer, in which rubrene is patterned in a nanowire array geometry. Such patterning leads to significant suppression of spin relaxation and we have reported spin relaxation length of ∼47 nm at ∼10K in rubrene nanowires. In this work we present the high field magnetoresistance measurements performed on rubrene nanowires and discuss the possible origins of these effects. Further, we discuss possible origin of the observed temperature-dependence of spin relaxation length.
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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 | 0.000 | 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) | 0.000 | 0.000 |
Machine scores (provisional)
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Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
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