Microscale resolution thermal mapping using a flexible platform of patterned quantum sensors
arXiv:1803.06546 · doi:10.1021/acs.nanolett.8b00895
Abstract
Temperature sensors with micro- and nanoscale spatial resolution have long been explored for their potential to investigate the details of physical systems at an unprecedented scale. In particular, the rapid miniaturization of transistor technology, with the associated steep boost in power density, calls for sensors that accurately monitor heating distributions. Here, we report on a simple and scalable fabrication approach, based on directed self-assembly and transfer printing techniques, to construct arrays of nanodiamonds containing temperature sensitive fluorescent spin defects. The nanoparticles are embedded within a low thermal conductivity matrix that allows for repeated use on a wide range of systems with minimal spurious effects. Additionally, we demonstrate access to a wide spectrum of array parameters ranging from sparser single particle arrays to denser devices with approximately 100 % yield and stronger photoluminescence signal, ideal for temperature measurements. With these we experimentally reconstruct the temperature map of an operating coplanar waveguide to confirm the accuracy of these platforms.
arXiv comment15 pages, 4 figures
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- Handheld device for non-contact thermometry via optically detected magnetic resonance of proximate diamond sensors
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- Widefield quantum microscopy with nitrogen-vacancy centers in diamond: strengths, limitations, and prospects
- Self-assembled fluorescent nanodiamond layers for quantum imaging
- Photoconversion of shallow nitrogen-vacancy centers in flat and nanostructured diamond under high-power laser irradiation
- A scalable method for cavity-enhanced solid-state quantum sensors