Chalcogenide Phase Change Material GeTe Based Inline RF SPST Series and Shunt Switches
Why this work is in the frame
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Bibliographic record
Abstract
Compact inline chalcogenide radio-frequency (RF) phase-change material (PCM) switches utilizing germanium telluride (GeTe) in series and shunt configurations are reported in this paper. Phase transition in PCM has been achieved by electrically isolated embedded micro-heaters. RF-PCM switches presented exhibit ON-state resistance of 2.4 ohm and OFF-state capacitance of 8.5 fF. The estimated cut-off frequency (Fco) is 7.8 THz, which is 10 times higher than state-of-the-art RF CMOS switches. The RF-PCM series and shunt switches are simulated and measured, demonstrating ON-state insertion loss less than 0.3 dB and 0.2 dB and OFF-state isolation higher than 20 dB and 36 dB over DC-26 GHz frequency range respectively.
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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 | 0.001 | 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 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.007 | 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