High Temperature Superconducting Magnetic Levitation

2.4 HTS bulk materials Ë 29

Tab

. 2.3:

Characteristic parameters of HTSC materials [61].

Mater

ials

Tc

(K)

휇^0

Hc1ab

(T)

휇^0

Hc1c

(T)

휇^0

Hcab

(T)

휇^0

Hc2ab

(T)

휇^0

Hc2c

(T)

휆Lab

(Å)

휆Lc

휉ab

(Å)

휉c

(Å)

1. Y

-123

92

520

53

650

140 1250–4500 260–1300 Å

270–310 40–60

2. Bi-2212

85

0.0001 0.019–0.022

0.022

3403

57–59 1800–2500

100

μm

19–27

0.45

3. Bi-2223

110

0.0001

0.0135

1210

39

2450

7.6

μm

29

0.93

4. Tl-2223

125

2050

4800 Å

13

5. Tl-1223

120

2000

18

6. Tl-2212

110

2150

22

5

7. Hg-1223

134

158–166

166

14.1–14.4

8. LaO

1 −x

FFeAsx

55

>^100

28