Table 1 Comparison with other MPI research.

Gleich¹

FFP,

single freq.

N.A.,

Resovist

(d=30 nm)

N.A.

Coil

Mechanical

(x,y,z)

20

Goodwill⁷

FFL,

single freq.

\(5\,\upmu \hbox{g}\) (Fe)*,

Resovist

(d=17 nm)

8,000

Magnet

Electronics(x,y),

mechanical(z)

x=3.8

z=8.4

Saritas⁸

FFP,

single freq.

N.A.

Resovist

(d=20 nm)

30,000

Magnet

Electronics(x,y),

mechanical(z)

x=2

y=2

Zheng^{9, 11}

FFP,

single freq.

5.4 ng (Fe),

Resovist

(d=20 nm)

N.A.

Magnet

Electronics(x,y),

mechanical(z)

x=5

y=5

Yu^{12, 13}

FFL,

single freq.

3 ng (Fe),

Resovist

(d=20 nm)

12,300

(peak)

Magnet

Electronics(x,y),

mechanical(z)

x=1

y=1

z=0.7

M.Graeser¹⁰

FFP,

single freq.

\(2\,\upmu \hbox{g}\) (Fe),

Perimag,

\(d=130\) nm

240

Iron core

magnet

Electronics(x,y),

mechanical(z)

x=6

y=6

z=28

Ours

FFL,

FMMD

1.3 \(\upmu \hbox{g}\) (Fe),

Synomag,

\(d=50\) nm

120

Hybrid

(coil,

magnet)

Mechanical

(x,y,z)

x=5.4

y=5.4

z=15