Peltier-Cooled Boron-Doped Glass on Graphite: A Scalable Platform for Spin-Based Quantum Technologies
Fuente:
Zenodo
Enregistré dans:
| Auteur principal: | |
|---|---|
| Format: | Recurso digital |
| Langue: | anglais |
| Publié: |
Zenodo
2026
|
| Accès en ligne: | |
| Tags: |
Ajouter un tag
Pas de tags, Soyez le premier à ajouter un tag!
|
| _version_ | 1866901218173911040 |
|---|---|
| author | Lozac'h, Jean-yves |
| author_facet | Lozac'h, Jean-yves |
| contents | <p> Diamond-based nitrogen-vacancy (NV) quantum systems face critical scalability barriers due to substrate )<br>and limited wafer sizes (<10 mm). Here, we demonstrate that boron-doped<br>costs ($600-3000/cm 2<br>borosilicate glass on graphite substrates provides a transformative alternative, reducing material costs<br>by >100× while maintaining quantum-grade thermal management. Through coupled multiphysics simulations<br>(COMSOL, LAMMPS) and analytical modeling, we show that 5 μm boron-glass (3-5% B) on = 28-35 W/(m·K)<br>at 233 K—10×<br>50 μm pyrolytic graphite achieves effective thermal conductivity k<br>eff<br>higher than diamond-based architectures—enabling gate frequencies >50 MHz with thermoelectric<br>(Peltier) cooling alone.<br>≈ 2000 W/m·K) combined with boron's<br>The exceptional in-plane thermal conductivity of graphite (k<br>parallel<br>paramagnetic spin properties creates a dual-function platform: the glass layer hosts defect-based qubits<br>(boron dangling bonds, oxygen vacancies) while graphite provides both thermal dissipation and<br>electromagnetic shielding. At -40°C, this system achieves cryogenic-level performance (<100 MHz quantum<br>operations) at <$500/wafer material cost versus $50k+ for diamond substrates.<br>15<br>We demonstrate viability for color-center-free quantum computing using intrinsic glass defects (10<br>cm -3<br>11<br>density), nuclear spin qubits ( B, I=3/2), and hybrid phonon-spin coupling schemes. This architecture<br>democratizes quantum technology access, enabling 100 mm wafer-scale fabrication with conventional glass<br>processing, and unlocks applications in quantum sensing arrays, distributed quantum networks, and CMOS-<br>compatible quantum-classical integration. Our approach disrupts the $2B quantum substrate market by<br>proving that exotic materials are not prerequisites for scalable quantum systems.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_19007018 |
| institution | Zenodo |
| language | eng |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Peltier-Cooled Boron-Doped Glass on Graphite: A Scalable Platform for Spin-Based Quantum Technologies Lozac'h, Jean-yves <p> Diamond-based nitrogen-vacancy (NV) quantum systems face critical scalability barriers due to substrate )<br>and limited wafer sizes (<10 mm). Here, we demonstrate that boron-doped<br>costs ($600-3000/cm 2<br>borosilicate glass on graphite substrates provides a transformative alternative, reducing material costs<br>by >100× while maintaining quantum-grade thermal management. Through coupled multiphysics simulations<br>(COMSOL, LAMMPS) and analytical modeling, we show that 5 μm boron-glass (3-5% B) on = 28-35 W/(m·K)<br>at 233 K—10×<br>50 μm pyrolytic graphite achieves effective thermal conductivity k<br>eff<br>higher than diamond-based architectures—enabling gate frequencies >50 MHz with thermoelectric<br>(Peltier) cooling alone.<br>≈ 2000 W/m·K) combined with boron's<br>The exceptional in-plane thermal conductivity of graphite (k<br>parallel<br>paramagnetic spin properties creates a dual-function platform: the glass layer hosts defect-based qubits<br>(boron dangling bonds, oxygen vacancies) while graphite provides both thermal dissipation and<br>electromagnetic shielding. At -40°C, this system achieves cryogenic-level performance (<100 MHz quantum<br>operations) at <$500/wafer material cost versus $50k+ for diamond substrates.<br>15<br>We demonstrate viability for color-center-free quantum computing using intrinsic glass defects (10<br>cm -3<br>11<br>density), nuclear spin qubits ( B, I=3/2), and hybrid phonon-spin coupling schemes. This architecture<br>democratizes quantum technology access, enabling 100 mm wafer-scale fabrication with conventional glass<br>processing, and unlocks applications in quantum sensing arrays, distributed quantum networks, and CMOS-<br>compatible quantum-classical integration. Our approach disrupts the $2B quantum substrate market by<br>proving that exotic materials are not prerequisites for scalable quantum systems.</p> |
| title | Peltier-Cooled Boron-Doped Glass on Graphite: A Scalable Platform for Spin-Based Quantum Technologies |
| url | https://doi.org/10.5281/zenodo.19007018 |