Table 2 TC and TN from first-principles for bulk ETO in space group Pm3m and with varying U for I4/mcm.

From: Reversible control of magnetic interactions by electric field in a single-phase material

U

5.7 eV(Pm3m)

5.7 eV(I4/mcm)

6.0 eV

6.2 eV

6.5 eV

7.0 eV

Exp.

T N (K)

12.0

17.9

13.9

11.4

8.8

4.0

5.5

T C

10.5

5.6

7.0

7.7

8.3

9.4

3.8

TN/TC

1.14

3.2

1.99

1.48

1.06

0.43

1.45

  1. Exp., Experimental measurements'.
  2. The last column extracts the TC from the positive magnetic susceptibility parameter in ref. 38 in order to use the TN/TC ratio to estimate a best guess of an appropriate value of U.
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