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International Scholarly Research Notices
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International Scholarly Research Notices
/
2011
/
Article
/
Fig 2
/
Research Article
Paramagnetic Resonance as a Probe of the Spin Gap in Normal State of
H
g
.
𝟕
𝟕
P
b
.
𝟑
𝟑
B
a
𝟐
C
a
𝟐
C
u
𝟑
O
𝟖
+
𝑥
Superconductor
Figure 2
EPR spectra at room temperature (a) in
H
g
.
7
7
P
b
.
3
3
B
a
2
C
a
2
C
u
3
O
8
+
𝑥
and at 118 K, (b) in the superconducting state showing the markedly reduced intensity of the lower field resonance.
(a)
(b)
