Table 1 Key parameters of the 9.4 T REBCO NMR Magnet.

Conductor

 Width[mm]

4.1 – 8.1

 Thickness[mm]

0.12

 Total usage[km]

8.7 (4.1-mm equivalent)

 Critical current [A/mm]

> 200/4.1 (77K, self-field)

Magnet

 Number of DP coils

48

 Turn per DP coils

360–390

 Inner radius, \(a_1\)[mm]

50–51.3

 Outer radius, \(a_2\)[mm]

73.4

 Overall height, 2b[mm]

512

 Central field, \(B_{cen}\)[T]

9.4 (400 MHz \(^{1}\)H frequency)

 Operating current, \(I_{op}\)[A]

190

 Operating temperature, \(T_{op}\)[K]

20

 Magnet inductance[H]

8.5

 Contact resistance³¹[m\(\Omega\)]

10.5 (10 \(\upmu \Omega \,\text {cm}^2\) considered)

 Time constant[s]

810 (8.5 [H]/ 10.5 [m\(\Omega\)])

Field uniformity

 \(|z| < 1.5\)cm[ppm]

< 1 (ideal before shimming)

 \(Z_2\)[T/cm\(^2\)]

− 0.8053\(\times 10^{-6}\)

 \(Z_4\)[T/cm\(^4\)]

− 0.1243\(\times 10^{-4}\)

 \(Z_6\)[T/cm\(^6\)]

− 0.6149\(\times 10^{-5}\)