%0 Journal Article %K Electric fields %K Iron compounds %K Domain walls %K Ferroelectric materials %K Bismuth compounds %K Ferroelectricity %K Electric excitation %K Electric impedance measurement %K Excited states %K Microwave oscillators %K Microwaves %K Nanoelectronics %K Rectifying circuits %K Structural dynamics %K AC Conductivity %K Bismuth ferrite %K Ferroelectric domains %K High-speed electronics %K Microwave conductivity %K Microwave microscopy %K Nanoelectronic devices %K Radio frequency applications %K Microwave circuits %A Y.-L Huang %A L Zheng %A P Chen %A X Cheng %A S.-L Hsu %A T N Yang %A X Wu %A L Ponet %A Ramamoorthy Ramesh %A L.-Q Chen %A S Artyukhin %A Y.-H Chu %A K Lai %B Advanced Materials %D 2020 %G eng %I Wiley-VCH Verlag %R 10.1002/adma.201905132 %T Unexpected Giant Microwave Conductivity in a Nominally Silent BiFeO3 Domain Wall %V 32