Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ îðèãèíàëüíîãî äîêóìåíòà : http://www.cplire.ru/rus/abstracts/lyatti.pdf Äàòà èçìåíåíèÿ: Thu Dec 28 00:30:57 2006 Äàòà èíäåêñèðîâàíèÿ: Tue Oct 2 00:32:04 2012 Êîäèðîâêà: Ïîèñêîâûå ñëîâà: http astrokuban.info astrokuban

, . (), .

: . , - .. . : « YBa2Cu3O
7-x



- .. - .. : , .

[001] »

: 01.04.01 ­ .

«26» 2007 . 10.00 002.231.03 (101999, . , -9, . , . 11, . 7)

- . «21» 2006 . 2006 . 2 ..-.. ..


. . , , , , , , , , [1-3]. , , . , . , . , [4,5], - () [6], , , . () [7] () . , [6]. - , , , - . V << 2/e, 2 - . fj V = hfj /2e, , , . () . , Vc=IcRn, Ic Rn ­ , , (). 3 3

[001] (), [001] [8]. Vc 0,2-0,3 = 77 2-3 = 4,2 . 40 ­ 50 . NEP - 0,9Vc. , NEP - 90 ­ 130 [9]. [001] () 8 = 4,2 [10,11]. , , NEP - 400 ­ 500 , . , , , - [001] [10,11]. . , . , YBa2Cu3O7-x [001] . , () YBa2Cu3O7-x [001], - . , . : 1. YBa2Cu3O7-x [001], - 55 - 75 , 4


. 2. Ic Rn, . , [001] . 3. YBa2Cu3O7-x [001]. 0,7 - - , NEP , (7±2)·104 /, (2,6±0,8)·10-13 /1/2 47±3 , . , - , . : 1. YBa2Cu3O7-x [001] , , , . 2. , 7 Â 90 20 . 2,310-10 /1/2, 10-4 10 , 0 ­ 180 . 0,5 - 5 , 45 . 3. - . - YBa2Cu3O7-x 1 62 , . 4. , , . , 3 2 . 5

: YBa2Cu3O7-x , . , , . : : Applied Superconductivity Conference ASC 2002, Houston, USA; 6th European Conference on Applied Superconductivity EUCAS 2003, Sorrento, Italy; Joint 29 Int. Conference on Infrared and Millimeter Wave and 12 Int. Conference on Terahertz electronics, Karlsruhe, Germany, 2004; 8th Int. Conference on Applied Electromagnetics and Communications, Zagreb, Croatia, 2005; 7th European Conference on Applied Superconductivity EUCAS 2005, Vienna, Austria; Int. Workshop on Terahertz Technology, Osaka, Japan, 2005; Applied Superconductivity Conference ASC 2006, Seattle, USA; 2- " ", , , 2006. . 12 , . : 1. , YBa2Cu3O7-x . 2. YBa2Cu3O7-x , . 3. . 4. YBa2Cu3O7-x . 5. , . 6. . 7. , . . , 138 . 159 , 7 43 . . , , , 6


. , . 1 , . 1.1-1.2 , , . 1.3-1.5 . , . 1.6 , . 1.7 . 1.8 , YBa2Cu3O7-x : 1. . 2. . 3. . 4. . 2 , . 2.1 YBa2Cu3O7-x. = 7 ­ 90 . , 0 - 180 , 2,3·10-10 /1/2, 10-4 10 . 2.2 7

YBa2Cu3O7-x . 0,5 - 5 , 45 . , 100 ­ 1,5 1,6·10-10 /1/2. 2.3 YBa2Cu3O7-x , () . 250º. / 100º/. 3 YBa2Cu3O7-x [001], YBa2Cu3O7-x , . 3.1 , - YBa2Cu3O7-x. 3.2 . SV, Ic Rn:

I 2R 1/ 2 SV ( f ) = c d Si ( f ) + V 2 S r ( f ) - 2k ( f )Vc2 [ Si ( f )S r ( f )] , (1) I 3 V I ­ = 7,4 = 15 , f ­ , Rd ­ = 25 = 35 , Si=(SIc/Ic2) = 45 2 2 = 57 Sr=(SRn/Rn ) - = 65 = 75 1 , , k(f) ­ 0 Ic Rn. 0 2 4 6 8 10 12 14 , 3.3 . 1. . - 8
,

2


() 20- YBa2Cu3O7-x Rn = 0,6 ­ 12 NdGaO3, SrTiO3, MgO. , . > 40 , , . 1. , Ic Rn, , , . . 55 10%. 3.4 . [7] , , - ze. , ze . < 50 Rd(T) , . 1 YBa2Cu3O7-x, NdGaO3 SrTiO3. 1 , -, . 3.5 0,1 ­ 25,6 YBa2Cu3O7-x. 3.3 . 1/f = 0,7 ­ 1,0, I Ic, , I >> Ic, , . 2. 10 10
-13 -14

1/f , [12]. SV 3,2 ±14° [001], . 3 . . , , SV(I) , Ic Rn. T > 55 K, . . 3 (1). Si, Sr k Ic Rn. , (1). -0,9. , Ic Rn , . -0,7. , , , . , SV V2 Sr 7 ­ 75 . Sr , , ,
10
-14

SV( f = 3.2 ), /

SV (3,2 ), /

2

0,36

SV , /

SV , /

10 10 10 10 10

-15

10

-15

2

(a)

10

-14

1,29

()

()

35 45 55 65

25 7,5 , 15

10

-12

60 65 70 75

55

()

-16

0,35 0,34 I~I
2

2

2

10

-15

10

-13

0,77

1,75

-17

10

-16

75

-18

10
c

-16

-19

I >> Ic
2

10

-17

10

-14

, , . 2. SV I Ic () I >> Ic ().

10

10

3

10

4

10

10

3

10

4

, , . 3. SV

0,3

1

7

0,3

1

4

3,2 (). SV(I) () (1) ( ) ().

9

10


[13]. Si 55 ­ 75 , . p = (Si /Sr)1/2 1,5. p 1,2. , , k = -1 p = 1, . - V > Vc, Rn. , , , Sr , . Sr , , YBa2Cu3O7-x, (Sr /Rn) . , ( ) Vc, - , . . 3.6 , , 3.7 .
4 , , . 4.1 . 4.2 , YBa2Cu3O7-x 0,1 % , jc, . , Vc, . , , . . , , .

4.3 YBa2Cu3O7-x , . 4.4 , YBa2Cu3O7-x [001] , . . , = 140° , YBa2Cu3O7-x. 4.5 , , . 0,5, 1 2 = 140°. 0,5 . Vc . , , jc. 1 2 . , , , . . 4. . 4 , . , . . 4. 6 7K 15 K 25 K 35 K 45 K 55 K 65 K 75 K

()
(a)
6

2

,

IcRn,

2

4 2 0

0

0

,

20

40

60

80

()/Ic

4

1

0
15

()/IcRn , . 4. , (). = 55 ( ) ( ) .

0

5

10

0

1

2

11

12


10

-14

()

() SV(3,2 ) , /
-15

SV , /
10
-15

10



2

10

-16


2

10
10

-16

, . 5. SV V = 6 () () = 55
,

10

3

10

4

1

10

, . (1).

13

SV (3,2 ) , /

35 ­ 75 , < 35 Vc(T) . Vc(T) , w < 4j, w ­ , j ­ , . , , . 4. = 55 0,4 %. . 4 , Ic Rn. . 4.6 , , . 0,5 . 1 2 . SV . 5. SV(V) Si, Sr k. . 5 . , Sr 2,8 ­ 3,2 . , , [13], Sr , . k -1 (. 1), Ic Rn. ,

Rn, 2,3 3,3 5,7

IcRn, 2,5 1,9 1,9

Si(3,2), 10-12 -1 3,6±0,1 3,4±0,1 14±1

Sr(3,2), 10-12 -1 3,6±0,2 3,5±0,2 11±0,5

(Si /Sr )1/2 1,0±0,1 1,0±0,1 1,1±0,1

k -1,0±0,1 -1,0±0,1 -1,0±0,1

1. = 55 , .

. Ic Rn . 6, SV (3,2) V2. , . 6 , . (1), Vc2 . , Si Sr (. 1), , . , , . 4.7 , 4.8 .
5 - . 45 5.1 -16 4x10 1/f 55 -16 2x10 . 5.2 65 , 0 -5 -5 0 4x10 2x10 2 2 () , . 6. SV(V2) . () = 45, 55, 65 , , (1) ( ). v v = (2e/h)·(·Err·V)2/(ln(2/Err)), v = BrespV/(ln(2/Err)), Bresp ­ 14
2

2


, V ­ , , Err ­ - , , , . , 1 - , 0,1 %, - 9,2·103 /, Bresp = 1 . 5.3 NEP - 1/f. , NEP - ( 1 + 2 ) ( 3 + 2 2 ) 2e 1 NEP = 2,3 10-4 kTRn / 2Vc , 1 f m / 2 h (2)

2 . - 3 Ps = 40 Â 80 , Rn = 1 Â 20 0,3 Â 10. , Ps(, , Rn) 2e Ps = 10 Rn 2 h
2 3 + 2 kT 2

(3)

(3) - 5% , (4kTe/hIc) 5·10-2. NEP - , :
D= Ps 10 2e 3 + 2 = kTRn 2 NEP 2h
2

= hf/2eIcRn ­ , f ­ , fm ­ , NEP. NEP - Rn = 1 fm = 10 . 7. 5.4 - 1/f. D . , , 3 , D Ps, D
10
1/2
-10

(4)

Rn = 1 . 7. . 7 , D 56 ­ 62 . 5.5 , .
6 - . 6.1 . 6.2 V(V) . 6.3 , , , . 6.4 f = 0,692 54 ­ 75 . 0,692 -

NEP, /

10 10 10 10

-11

Vc = 0,3 , = 83 Vc = 1 , = 74 Vc = 3 , = 47

()

62

()

60

Vc = 0,3 , = 83 Vc = 1 , = 74 Vc = 3 , = 47

-12

-13

58

-14

, , . 7. NEP - ,

0.1

1

56

1

2

3

4

5

1/f, (). D - ().

15

16


. V , . .

()
2
10
-3

()

10

-3

V0 , V1 ,

V0
0

V1

10

-4

10

-4

-2

10

-5

10

-5

0

,

1

2

10

-10

10

-9

,

10

-8

10

-7

10

-6

. 8. 0,692 (). V0 () - V1 () = 55 ().

fm = 1,8 = 5 . HCOOH c . , , , . V1 V hf/2e= 1.43 V(V), . 8. . 8 , V(V) V0. . - V1 ±14° [001] Rn = 4,1 = 55 . 8 . Vc 2,6 . , . , . V0 , . 8 . , , - . . 8 , V0 , 17

V = 1,43 . . - V1 P , - - . - rV = V1/P, V1(P) , 2. - , (7±2)104 /, = 55 . 2, rV , . 2 NEP, NEP = SV1/2/rV, SV 1,8 V = 1,43 . 2 NEP, . NEP, 54 - 75 , (2,6±0.8)10-13 /1/2. , 1/fm , NEP 510-15 /1/2. . 8 , = 55 Ps = (1,5±1,0)·10-8 , Ps /NEP 47±3 1 .
[001] c Rn = 4,1 rV, / = 54 Vc = 2,6 = 65 Vc = 1,7 = 75 Vc = 0,9 = 65 Vc = 0,51 . . . . 6,1·10
4 4

NEP, /1/2 4,5·10-15 (3±1)·10
4 -13

D, 63 47±3 62 47±3 61 46±3 60,5 46±3

(7±2)·10 4,1·104

5,1·10-15 (2,6±0,8)·10 8,3·10-15
4 -13

(3,6±1,1)·10 1,9·104 (1,6±0,5)·10 9,9·103

(3,4±1,0)·10 1,5·10-14

-13

[001] c Rn = 5 (8,3±2,5)·10
3

(5,4±1,6)·10-13

2. - .

18


, , 2. Ps (3). , , - 1/fm. , , , , , , NEP 510-15 /1/2 60 . [001] Rn = 5 . 2. , NEP 4 - , . , , , . 6.5 - . , . 2,523 2 . - , , , , . . , , , . - -. Rn=3,1 . 51 , Vc 2,9 19

5

5

S(f), . .

4 3 2 1 0

S(f), . .

()

2,52
4 3 2 1 0

()

2,52

1,48
1,5

1,76
2,0 2,5

,

1,5

,

2,0

2,5

. 9. HCOOH () (), - , 2 .

. 2,7 , 0,64 , 2 . , , . 9. , 1,48 , 1,76 2,52 . 1,48 1,76 . . 9. - 2,52 13 . , . . . 1. , 7 Â 90 20 . 2,310-10 /1/2, 10-4 10 , 0 ­ 180 . 0,5 ­ 5 20


2.

3.

4.

5.

6.

7.

, 45 . YBa2Cu3O7-x [001] . , SV(f) 1/f a = 0,7-1,0 100 ­ 25,6 . YBa2Cu3O7-x , , YBa2Cu3O7-x . - . , 50 , . , Ic Rn, , Ic Rn , . , . , - - , . , - 10-3, 1 , 9,2·103 /. - , . - YBa2Cu3O7-x 1 56 62 . 21

YBa2Cu3O7-x . 0,7 - , NEP , (7±2)·104 /, (2,6±0,8)·10-13 /1/2 47±3 , . , , . 9. , - YBa2Cu3O7-x , . , , NEP 510-15 /1/2 60 . 10. - . , 3 2 .
. , : Y. Y. Divin, O. Y. Volkov, M. Liatti, V. V. Shirotov, V. V. Pavlovskii, U. Poppe, P. M. Shadrin, K. Urban// Physica C. 2002. V. 372-376. P. 416-419. Yuri Y. Divin, Oleg Y. Volkov, Matvei V. Liatti and Vladimir N. Gubankov// IEEE Trans. Appl. Supercond. 2003. V. 13(2). P. 676-679. M.V. Liatti, Y.Y. Divin, V.N. Gubankov, K. Urban// Appl. Supercond. 2003. Proc. 6th European Conf. Appl. Superconductivity (Sorrento, Italy, 14-16 Sept. 2003) ed. by A. Andreone et al., IOP Publishing (Bristol, Philadelphia). 2004. IOP Conf. Series N 181. P. 3106-3111. Y. Y. Divin, O. Y. Volkov; M. Liatti, V. N. Gubankov, K. Urban// Appl. Supercond. 2003. Proc. 6th European Conf. Appl. Superconductivity (Sorrento, Italy, 14-16 Sept. 2003) ed. by A. Andreone et al., IOP Publishing (Bristol, Philadelphia). 2004. IOP Conf. Series N 181. P. 2970-2977. Y.Y. Divin, M.V. Liatti, V.V. Shirotov, U. Poppe, V.N. Gubankov, K. Urban// Conf. Digest of 2004 Joint 29 Int. Conf. on Infrared and Millimeter Wave and 12 Int. Conf. on Terahertz electronics (Sept.27-Oct.1, 2004, Karlsruhe, Germany), ed. by M. Thumm, W. Wiesbeck, IEEE (Piscataway, NJ, USA). 2004. P. 277-278.

8.

1. 2. 3.

4.

5.

22


6.

7. 8. 9.

10. 11. 12.

Y.Y. Divin, M.V. Liatti, D.A. Tkachev, V.V. Pavlovskii, V.V. Shirotov, O.Y. Volkov, U. Poppe, C.L. Jia, V.N. Gubankov, K. Urban// Proc. of 18th Int. Conf. on Appl. Electromagnetics and Communications (12-14 Oct. 2005, Dubrovnik, Croatia), ed. by D. Bonefacic', KoREMA (Zagreb, Croatia). 2005. P. 149-152. M. Liatti, Y. Divin, U. Poppe, V. Gubankov, K. Urban// Journal of Physics: Conf. Series. 2006. V. 43. P. 1211-1214. Y. Divin, D. Tkachev, V. Pavlovskii, O. Volkov, M. Liatti, V. Gubankov, K. Urban// Journal of Physics: Conf. Series. 2006. V. 43. P. 1322-1325. Y.Y. Divin, D.A. Tkachev, U. Poppe, C.L.Jia, K. Urban, M.V. Liatti, V.V. Pavlovskii, V. Shirotov, V. Gubankov// Extended Abstracts of Int. Workshop on Terahertz Technology (Nov. 16-18, 2005, Osaka, Japan). 2005. P. 81-84. M.V. Liatti, U. Poppe and Y.Y. Divin// Appl. Phys. Lett. 2006. V. 88. 152504. .. , .. , .. // . 2006. T. 32(19). C. 79-85. .., .., ., ., ..// 2- " " (9-13 , 2006 ., ). 2006. C. 267-268.
. R. KÆhler, A. Tredicucci, F. Beltram et al.// Nature. 2002. V. 417. N. 6885. P. 156159. G. Carr, M. Martin, W. McKinney et al.// Nature. 2002. V. 420. N 6912. P. 153-156. C. Baker, I. Gregory, W. Tribe et al.// Appl. Phys. Lett. 2003. V. 83.(20). P. 41134115. G.W. Chantry, Submillimetre Spectroscopy/ Academic Press, London, 1971. Millimeter and Submillimeter Wave Spectroscopy of Solids/ Ed. G. Gruener. Springer-Verlag, Berlin. 1998. .. , .. , .. // . 1980. . 6. . 454-457. . . , . . , / , 1978. . 128. H. Hilgenkamp, J. Mannhart// Rev. Mod. Phys. 2002. V. 74. P. 485. .. , .. // . 2004. . 30.(12). . 79-84. Y.Y. Divin, U. Poppe, C.L. Jia et al.// Physica C. 2002. V. 372­376. P. 115-118. Y.Y. Divin, I.M. Kotelyanskii, P.M. Shadrin et al.// Appl. Supercond. 2003. Proc. 6th European Conf. Appl. Superconductuivity (Sorrento, Italy, 14-16 Sept. 2003) ed. by A. Andreone et al., IOP Publishing (Bristol, Philadelphia). 2004. IOP Conf. Series N 181. P. 3112-3118. F. Herbstritt, T. Kemen, L. Alff et al.// Appl. Phys. Lett. 2001. V.78.(7). . 955. A. Marx, R. Gross// Appl. Phys. Lett. 1997. V. 70.(1). P. 120.

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