Fig. 4From: An ultra-low magnetic field thermal demagnetizer for high-precision paleomagnetismContour map of magnetic field distribution on different components in middle cross section of the furnace with composed of 12 conventional solenoids (a–c) and new heating elements (d, e). f The position of the solenoids and the corresponding current direction in adjacent. Letter X, Y, Z in the middle of the graph represents the direction of the magnetic fieldBack to article page