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of 310
pro vyhledávání: '"Quantum Diamond Microscope"'
Quantum Diamond Microscope for Narrowband Magnetic Imaging with High Spatial and Spectral Resolution
Autor:
Yin, Zechuan, Tang, Jiashen, Hart, Connor A., Blanchard, John W., Xiang, Xinyan, Satyajit, Saipriya, Bhalerao, Smriti, Tao, Tao, DeVience, Stephen J., Walsworth, Ronald L.
The quantum diamond microscope (QDM) is a recently developed technology for near-field imaging of magnetic fields with micron-scale spatial resolution. In the present work, we integrate a QDM with a narrowband measurement protocol and a lock-in camer
Externí odkaz:
http://arxiv.org/abs/2406.15450
Towards high spatial resolution magnetic imaging with a compact practical quantum diamond microscope
Autor:
Rietwyk, Kevin J., Shaji, Alex, Robertson, Islay O., Healey, Alexander J., Singh, Priya, Scholten, Sam C., Reineck, Philipp, Broadway, David, Tetienne, Jean-Philippe
Widefield quantum diamond microscopy is a powerful technique for imaging magnetic fields with high sensitivity and spatial resolution. However, current methods to approach the ultimate spatial resolution ($<500\,$nm) are impractical for routine use a
Externí odkaz:
http://arxiv.org/abs/2407.15319
AC susceptometry, unlike static susceptometry, offers a deeper insight into magnetic materials. By employing AC susceptibility measurements, one can glean into crucial details regarding magnetic dynamics. Nevertheless, traditional AC susceptometers a
Externí odkaz:
http://arxiv.org/abs/2404.17376
Nitrogen-vacancy (NV) centers in diamond are a leading modality for magnetic sensing and imaging under ambient conditions. However, these sensors suffer from degraded performance due to paramagnetic impurities and regions of stress in the diamond cry
Externí odkaz:
http://arxiv.org/abs/2404.12495
Autor:
Lenz, Jacob N., Perryman, Scott K., Martynowych, Dmitro J., Hopper, David A., Oliver, Sean M.
The Quantum Diamond Microscope (QDM) is an instrument with a demonstrated capability to image electrical current in integrated circuits (ICs), which shows promise for detection of hardware Trojans. The anomalous current activity caused by hardware Tr
Externí odkaz:
http://arxiv.org/abs/2402.08004
Autor:
Tang, Jiashen, Yin, Zechuan, Hart, Connor A., Blanchard, John W., Oon, Jner Tzern, Bhalerao, Smriti, Schloss, Jennifer M., Turner, Matthew J., Walsworth, Ronald L.
Wide-field imaging of magnetic signals using ensembles of nitrogen-vacancy (NV) centers in diamond has garnered increasing interest due to its combination of micron-scale resolution, millimeter-scale field of view, and compatibility with diverse samp
Externí odkaz:
http://arxiv.org/abs/2309.06587
Akademický článek
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Akademický článek
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Publikováno v:
Phys. Rev. Applied 20, 014036 (2023)
As integrated circuit (IC) geometry and packaging become more sophisticated with ongoing fabrication and design innovations, the electrical engineering community needs increasingly-powerful failure analysis (FA) methods to meet the growing troublesho
Externí odkaz:
http://arxiv.org/abs/2302.01309
We present a novel technique for determining the microscale AC susceptibility of magnetic materials. We use magnetic field sensing properties of nitrogen-vacancy (\ce{NV-}) centers in diamond to gather quantitative data about the magnetic state of th
Externí odkaz:
http://arxiv.org/abs/2209.11610