Figure (a–d) Tunable asymmetric Hall loops at 5 K (magnetic histories are shown in insets). (e) Symmetric loops under high enough external magnetic field. (f) Sketch of the influence of positively ...
Before doping, the NaNbO 3 ceramics are prone to breakdown and cannot obtain a complete P-E hysteresis loop. Under doping or high-temperature conditions, a square hysteresis loop with ferroelectric ...
With copper-substituted lead apatite below room temperature, Chinese researchers observe diamagnetic dc magnetization under magnetic field of 25 Oe with remarkable bifurcation between ...
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