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| 1 | High-resolution impedance mapping using electrically activated quantitative phase imaging显示文摘Retrieving electrical impedance maps at the nanoscale rapidly via nondestructive inspection with a high signal-to-noise ratio is an unmet need,likely to impact various applications from biomedicine to energy conversion.In this study,we develop a multimodal functional imaging instrument that is characterized by the dual capability of impedance mapping and phase quantitation,high spatial resolution,and low temporal noise.To achieve this,we advance a quantitative phase imaging system,referred to as epi-magnified image spatial spectrum microscopy combined with electrical actuation,to provide complementary maps of the optical path and electrical impedance.We demonstrate our system with high-resolution maps of optical path differences and electrical impedance variations that can distinguish nanosized,semi-transparent,structured coatings involving two materials with relatively similar electrical properties.We map heterogeneous interfaces corresponding to an indium tin oxide layer exposed by holes with diameters as small as~550 nm in a titanium(dioxide)over-layer deposited on a glass support.We show that electrical modulation during the phase imaging of a macro-electrode is decisive for retrieving electrical impedance distributions with submicron spatial resolution-and beyond the limitations of electrode-based technologies(surface or scanning technologies).The findings,which are substantiated by a theoretical model that fits the experimental data very well enable achieving electro-optical maps with high spatial and temporal resolutions.The virtues and limitations of the novel optoelectrochemical method that provides grounds for a wider range of electrically modulated optical methods for measuring the electric field locally are critically discussed. | Cristina Polonschii Mihaela Gheorghiu Sorin David Szilveszter Gáspár Sorin Melinte Hassaan Majeed Mikhail E.Kandel Gabriel Popescu Eugen Gheorghiu | 2021 | Light(Science & Applications)2021，10，2： | 2 |
| 2 | Atomic force microscopy investigat ion o f radiation-induced DNA double strand breaks显示文摘 | Pang D Popescu G Rodgers J | 1996 | Scanning Microscopy1996，10，4： | 1 |
| 3 | Non-commutative Iuzzy structures and pairs of weak negations 显示文摘 | Georgescu G Popescu A | 2004 | Fuzzy Sets and Systems2004，143，： | 1 |
| 4 | Effects of random heterogeneity of soil properties on bearing capacity 显示文摘 | POPESCU R DEODATIS G NOBAHAR A | 2005 | Probabilist Engrg Mech2005，20，4： | 1 |
| 5 | Purification of Noisy Entanglement and Faithful Teleportation via Noisy Channels 显示文摘 | Bennett C H Brassard G Popescu S | 1996 | PhysRevLett1996，76，： | 1 |
| 6 | Optical path-length spectroscopy of wave propagation in random media 显示文摘 | POPESCU G DOGARIU A | 1999 | Optics Letters1999，24，7： | 1 |
| 7 | Principles of N-methyl-D-aspartate receptor allosteric modulation显示文摘 | Popescu G | 2005 | Mol Pharmacol2005，68，4： | 1 |
| 8 | Lidar-based mapping of leaf area index and its use for validating GLOBCARBON satellite LAI product in a temperate forest of the southern USA 显示文摘 | Zhao K G Popescu S | 2009 | Remote Sensing of Environment2009，113，8： | 1 |
| 9 | Optical path-length spectroscopy of wave propagation in random media 显示文摘 | Popescu G Dogariu A | 1999 | Opt Lett1999，24，7： | 1 |
| 10 | The interferon-alpha re- sponsive gene TMEM7 suppresses cell proliferation and is downregulated in human hepatoeellular eareinoma显示文摘 | Zhou X Popescu NC Klein G | 2007 | Cancer Genet and Cytogenet2007，177，： | 1 |
| 11 | Non-commutative fuzzy structures and pairs of weak negations显示文摘 | Georgescu G Popescu A | 2004 | Fuzzy Sets and Systems2004，143，： | 1 |
| 12 | Observation of dynamic subdomains in red blood cells显示文摘 | Popescu G Badizadegan K Dasari RR | | 0，，04： | 1 |
| 13 | HBeAg and hepatitis B virus DNA as outcome predictors during therapy with peginterferon alfa-2a forHBeAg-positive chronic hepatitis B 显示文摘 | Fried MW Piratvisuth T Lau GK Marcellin P Chow WC Cooksley G Luo KX Paik SW Liaw YF Button P Popescu M | 2008 | Hepatology2008，47，2： | 1 |
| 14 | Unbalancedmagnetic pull due to asymmetry and low-level staticrotor eccentricity in fractional-slot brushlesspermanent-magnet motors with surface-magnet andconsequent-pole rotors显示文摘 | Dorrell D G Popescu M lonel D M | 2010 | IEEE Transactions onMagnetics2010，46，7： | 1 |
| 15 | Prediction of Time to Slope Failure: A General Framework显示文摘 | Federico A Popescu M Elia G | 2011 | Environmental Earth Sciences2011，，7： | 1 |
| 16 | An unusual bacterium,Aerococcus viridans,and four cases of infective endocarditis显示文摘 | Popescu G A Benea E Mitache E | 2005 | J Heart Valve Dis2005，14，3： | 1 |
| 17 | The NMDA receptor gating machine:lessons from single channels显示文摘 | Popescu G Auerbach A | 2004 | Neuroscientist2004，10，3： | 1 |
| 18 | pH-respon-sive hydrogel/liposome soft nanocomposites for tuningdrug release 显示文摘 | Popescu M T Mourtas S Pampalakis G | 2011 | Biomacromolecules2011，12，8： | 1 |
| 19 | Unbalanced magnetic pull due to asymmetry and low-level static rotor eccentricity in fractional slot brushless permanent-magnet motors with surface- magnet and consequent pole rotors显示文摘 | Dorrell D G Popescu M Ionel D M | 2010 | IEEE Transactions on[:agnetics2010，46，7： | 1 |
| 20 | The rutgets master Ⅱ-new design force-feedback glove 显示文摘 | BOUZIT M BURDEA G POPESCU G | 2002 | IEEE/ASME Transactions on Mechatronics2002，7，2： | 1 |
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