Two-band superconductor magnesium diboride

Reports on Progress in Physics

Volumn 71, Issue 11, 2008, Pages

  Xi, X X ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 58149314315     PISSN: 00344885     EISSN: None     Source Type: Journal    
DOI: 10.1088/0034-4885/71/11/116501     Document Type: Article

References (267)

1. Nagamatsu J, Nakagawa N, Muranaka T, Zenitani Y and Akimitsu J 2001 Superconductivity at 39 K in magnesium diboride Nature 410 63-4
2. Cava R J 2001 Genie in a bottle Nature 410 23-4
3. Canfield P C and Crabtree G 2003 Magnesium diboride: better late than never Phys. Today 56 34-40
4. c Phys. Today 54 17-18
5. 2 superconductors APS News 10 1
6. 2 Phys. Rev. Lett. 86 1877-80
7. 2 Phys. Rev. Lett. 86 2420-2
8. 2: covalent bonds driven metallic Phys. Rev. Lett. 86 4366-9
9. 2 Phys. Rev. Lett. 86 4656-4659
10. 2 Nature 410 186-9
11. 2 and prospects for applications Nature 410 563-5
12. 2 Nature 410 343-5
13. Monteverde M, Núñez-Regueiro M, Rogado N, Regan K A, Hayward M A, He T, Loureiro S M and Cava R J 2001 Pressure dependence of the superconducting transition temperature of magnesium diboride Science 292 75-7
14. Tinkham M 1975 Introduction to Superconductivity (New York: McGraw-Hill)
15. 2 as revealed by the reduced total isotope effect Nature 411 457-60
16. 2 Phys. Rev. Lett. 86 4915-8
17. 2 Phys. Rev. Lett. 86 4374-7
18. 2 Phys. Rev. Lett. 87 017005
19. 2 Nature 418 758-60
20. 2 Phys. Rev. Lett. 89 187002
21. Pickett W 2002 Mind the double gap Nature 418 733-4
22. 2: clean or dirty? Phys. Rev. Lett. 89 107002
23. 2: evidence for a multicomponent gap Physica C 355 179-93
24. 2: evidence for a second energy gap Phys. Rev. Lett. 87 047001
25. 2 by point-contact spectroscopy Phys. Rev. Lett. 87 137005
26. 2 Phys. Rev. Lett. 87 157002
27. 2: electronic Raman scattering measurements of single crystals Phys. Rev. Lett. 88 087001
28. 2 from high-resolution photoemission spectroscopy Phys. Rev. Lett. 87 177006
29. 2: a true bulk property or a proximity effect? Phys. Rev. Lett. 87 177008
30. Suhl H, Matthias B T and Walker L R 1959 Bardeen-Cooper-Schrieffer theory of superconductivity in the case of overlapping bands Phys. Rev. Lett. 3 552-4
31. 2 Supercond. Sci. Technol. 14 R115-46
32. 2: electrons, phonons and vortices Physica C 385 vii
33. 2 research Physica C 456 1
34. 2 wires Phys. Rev. Lett. 86 2423-6
35. 2 thin films by hybrid physical-chemical vapor deposition Physica C 456 22-37
36. 2 Supercond. Sci. Technol. 16 188-92
37. 2 in the normal state Eur. Phys. J. B 25 439-43
38. 2 Physica C 385 154-61
39. 2 thin films on their normal-state resistivity Supercond. Sci. Technol. 18 L1-L4
40. 2 thin films on silicon carbide substrates by hybrid physical-chemical vapor deposition Appl. Phys. Lett. 82 2097-9
41. 2 film J. Appl. Phys. 104 013924
42. 2: towards a wide market or a niche production? IEEE Trans. Appl. Supercond. 16 1457-64
43. Scanlan R M, Malozemoff A P and Larbalestier D C 2004 Superconducting materials for large scale applications IEEE Proc. 92 1639-54
44. c superconducting materials for electric power applications Nature 414 368-77
45. 2 thin films Phys. Rev. B 71 012504
46. 2 superconductor by nanoparticle SiC doping Appl. Phys. Lett. 81 3419-21
47. 2 thin films Phys. Rev. B 74 174511
48. 2 wires Nature 411 563-5
49. 2 superconducting tapes Appl. Phys. Lett. 79 230-2
50. 2 tapes and wires Physica C 385 286-305
51. 2 wires and their applications to magnets Physica C 456 209-17
52. 2 tape conductors Physica C 456 196-202
53. 2) wires and magnets using in situ strand fabrication method Physica C 456 203-8
54. ASG Superconductors, Paramed Medical Systems and Columbus Superconductors 23 November 2006 (press release) http://www.columbussuperconductors.com/press. htm
55. Rowell J 2002 Magnesium diboride: superior thin films Nat. Mater. 1 5-6
56. 2 tunnel junctions and SQUIDs Physica C 456 188-95
57. ter Brake H J M and Wiegerinck G F M 2002 Low-power cryocooler survey Cryogenics 42 705-18
58. 2 thin films Appl. Phys. Lett. 87 192505
59. 2 Josephson junctions and series arrays via nanolithography and ion damage Appl. Phys. Lett. 88 012509
60. 2 bilayers Appl. Phys. Lett. 88 222511
61. 2 tunnel junctions with aluminum nitride barriers Appl.Phys. Lett. 86 072512
62. 2 josephson tunnel junctions Appl. Phys. Lett. 86 172502
63. 2 tunnel junctions with native or thermal oxide barriers Appl. Phys. Lett. 89 042512
64. 3 or MgO tunnel barriers Appl. Phys. Lett. 90 212509
65. 2 Josephson tunnel junctions unpublished
66. 2 thin film detector for neutrons J. Low Temp. Phys. 151 1074-9
67. Vaglio R 1998 Alternative superconducting materials for RF cavity applications Part. Accel. 61 391-400
68. Padamsee H 2005 Accelerating applications of RF superconductivity-success stories IEEE Trans. Appl. Supercond. 15 2432-9
69. Collings E W, Sumption M D and Tajima T 2004 Magnesium diboride superconducting RF resonant cavities for high energy particle acceleration Supercond. Sci. Technol. 17 S595-601
70. 2 thin films on Nb cavity by pulse laser deposition Proc. SRF2007 (Beijing, 11-13 October)
71. 2 Phys. Rev. B 73 134518
72. 2 Phys. Rev. B 66 020506
73. 2 thin films Appl. Phys. Lett. 78 3678-80
74. 2 Physica C 385 31-41
75. 2 and thermodynamicas of Mg-B-N system at high pressure Physica C 385 42-8
76. 2 Physica C 456 14-21
77. 2: synthesis, substitutions and properties Physica C 456 3-13
78. 2 thin flms with a transition temperature of 39 Kelvin Science 292 1521-3
79. 2 thin films Nature 411 558-60
80. Blank D H A, Hilgenkamp H, Brinkman A, Mijatovic D, Rijnders G and Rogalla H 2001 Superconducting Mg-B films by pulsed laser deposition in an in-situ two-step process using multi-component targets Appl. Phys. Lett. 79 394-6
81. 2 thin films by pulsed laser deposition Appl. Phys. Lett. 79 227-9
82. c ≈ 24 K grown by pulsed laser deposition with in-situ anneal Physica C 353 157-61
83. 2 thin films made by an in situ annealing process Appl. Phys. Lett. 79 1840-2
84. 2 thin films prepared by molecular beam epitaxy Appl. Phys. Lett. 79 2046-8
85. 2 as-grown by MBE without post-anneal Appl. Phys. Lett. 80 3563-5
86. 2 thin film synthesis IEEE Trans. Appl. Supercond. 13 3238-41
87. 2 thin films for tunnel junctions Appl. Phys. Lett. 85 5290-2
88. 2 thin films by reactive evaporation Supercond. Sci. Technol. 19 L21-4
89. 2 thin films for superconducting electronics Nat. Mater. 1 35-8
90. 2 by strain-induced bond-stretching mode softening Phys. Rev. Lett. 93 147006
91. 2 thin films with carbon doping Appl. Phys. Lett. 85 2017-9
92. 2 samples Supercond. Sci. Technol. 16 R17-R27
93. 2 films Appl. Phys. Lett. 83 102-4
94. 2 Physica C 385 49-65
95. c, isotope effects, superconducting energy gaps, quasiparticles, and specific heat Physica C 385 66-74
96. 2 Physica C 456 54-62
97. 2 from first principles Phys. Rev. Lett. 94 037004
98. 2 from first principles Physica C 456 45-53
99. 2 in a one- and a two-band model from first-principles calculations J. Phys.: Condens. Matter 14 1353-60
100. 2 Phys. Rev. Lett. 86 5771-4
101. 2: a combined first-principles calculation and neutron scattering study Phys. Rev. Lett. 87 037001
102. 2: anharmonicity, two-phonon scattering, and multiple gaps Phys. Rev. Lett. 87 087005
103. 2 within the anisotropic Eliashberg formalism Phys. Rev. B 66 020513
104. 2: implications for the isotope effect and interpretation of Raman spectra Physica C 456 38-44
105. 2 Phys. Rev. Lett. 94 227005
106. 2 within the anisotropic Eliashberg formalism' Phys. Rev. B 69 056501
107. Chen K unpublished
108. 2: a fully gapped superconductor Phys. Rev. Lett. 87 167003
109. 2 Phys. Rev. Lett. 88 127002
110. 2 single crystals from directional point-contact spectroscopy in magnetic fields Phys. Rev. Lett. 89 247004
111. Park W K and Greene L H 2006 Construction of a cantilever-Andreev- tunneling rig and its applications to superconductors Rev. Sci. Instrum. 77 023905
112. Eskildsen M R, Kugler M, Tanaka S, Jun J, Kazakov S, Karpinski J and Fischer O 2002 Vortex imaging in the π band of magnesium diboride Phys. Rev. Lett. 89 187003
113. 2 epitaxial thin films for planar junctions Appl. Phys. Lett. 87 242506
114. 2 from angle-resolved photoemission spectroscopy Phys. Rev. Lett. 88 157002
115. 2 Nature 423 65-7
116. 2 Phys. Rev. Lett. 91 127001
117. 2 Physica C 385 85-90
118. Scalapino D J 1995 The case for pairing in the cuprate superconductors Phys. Rep. 250 329-65
119. Van Harlingen D J 1995 Phase-sensitive tests of the symmetry of the pairing state in the high-temperature superconductors - evidence for symmetry Rev. Mod. Phys. 67 515-35
120. 4-an electronic analog of He-3 J. Phys.: Condens. Matter 7 L643-8
121. Rice T M 1998 An analogue of superfluid He-3 Nature 396 627-9
122. 4 and the physics of spin-triplet pairing Rev. Mod. Phys. 75 657-712
123. 11B NMR study Phys. Rev. Lett. 87 127001
124. 2 Phys. Rev. Lett. 88 047002
125. 3 Phys. Rev. Lett. 45 1352-5
126. 2C Phys. Rev. Lett. 80 1730-3
127. c2: III. Electron spin and spin-orbit effects Phys. Rev. 147 295-302
128. Gurevich A 2007 Limits of the upper critical field in dirty two-gap superconductors Physica C 456 160-9
129. Gurevich A 2003 Enhancement of the upper critical field by nonmagnetic impurities in dirty two-gap superconductors Phys. Rev. B 67 184515
130. 2 Physica C 385 131-42
131. 2 Phys. Rev. Lett. 88 167004
132. 2 as inferred from measurements on polycrystals Phys. Rev. B 65 212501
133. 2 Phys. Rev. B 66 180502
134. 2: a two-band superconductor with two different anisotropies Phys. Rev. Lett. 89 257001
135. 2 Phys. Rev. Lett. 95 097005
136. 2 Phys. Rev. B 66 054524
137. 2 J. Phys. Soc. Japan 72 221-4
138. 2 Phys. Rev. Lett. 91 017001
139. 2 Supercond. Sci. Technol. 20 R47-R73
140. c2 and λ Phys. Rev. Lett. 89 237005
141. Golubov A A and Koshelev A E 2003 Upper critical field in dirty two-band superconductors: breakdown of the anisotropic Ginzburg-Landau theory Phys. Rev. B 68 104503
142. Koshelev A E and Golubov A A 2004 Why magnesium diboride is not described by anisotropic Ginzburg-Landau theory Phys. Rev. Lett. 92 107008
143. 2 Phys. Rev. Lett. 90 177002
144. Tanaka K, Agterberg D F, Kopu J and Eschrig M 2006 Effects of ballistic and diffusive motion of quasiparticles on spectral properties around a vortex in a two-band superconductor Phys. Rev. B 73 220501
145. 2 Phys. Rev. B 73 104506
146. 2 from μSR Phys. Rev. Lett. 93 217003
147. 2 thin films Phys. Rev. B 76 134513
148. 2/I/Pb tunnel junctions on MgO (2 1 1) substrates Appl. Phys. Lett. 93 012502
149. Brinkman A, van der Ploeg S H W, Golubov A A, Rogalla H, Kim T H and Moodera J S 2006 Charge transport in normal metal-magnesium diboride junctions J. Phys. Chem. Solids 67 407-11
150. Graser S and Dahm T 2007 Transfer-matrix approach to multiband Josephson junctions Phys. Rev. B 75 014507
151. Brinkman A, Golubov A A and Kupriyanov 2004 Proximity effect in normal metal-multiband superconductor hybrid structures Phys. Rev. B 69 214407
152. Graser S, Dahm T and Schopohl N 2004 Influence of Fermi surface topology on the quasiparticle spectrum in the vortex state Phys. Rev. B 69 014511
153. 2 junctions Phys. Rev. B 65 180517
154. 2 thin films Phys. Rev. Lett. 91 127006
155. 2 Appl. Phys. Lett. 85 4436-8
156. Nicol E J, Carbotte J P and Scalapino D J 2006 Nonlinear current response of one- and two-band superconductors Phys. Rev. B 73 014521
157. 2 Physica C 456 63-74
158. 2 Phys. Rev. B 77 100507
159. Golubov A A and Mazin I I 1997 Effect of magnetic and nonmagnetic impurities on highly anisotropic superconductivity Phys. Rev. B 55 15146-15152
160. Kittel C 1996 Introduction to Solid State Physics 7th edn (New York: Wiley)
161. Ziman J M 2001 Electrons and Phonons (Classics Series) (New York: Oxford University Press)
162. 2 Physica C 456 92-101
163. 2 Phys. Rev. Lett. 88 217002
164. 2 by the de Haas-van Alphen effect Phys. Rev. Lett. 91 037003
165. 2 Phys. Rev. B 65 180510
166. 2 single crystals Phys. Rev. B 66 180504(R)
167. 2, and related compounds Phys. Rev. B 64 104507
168. 2 Physica C 385 91-97
169. 2 Phys. Rev. B 63 220503
170. 2 Phys. Rev. B 71 104519
171. 2 thin films Phys. Rev. Lett. 96 167003
172. 2 as a probe of disorder in σ- and π-bands Phys. Rev. B 72 184512
173. 2 Eur. Phys. J. B 52 171-9
174. 2 through magnetoresistance measurements in neutron irradiated thin films Europhys. Lett. 81 67006
175. 2 revealed by nonlinear Hall effect and magnetoresistance measurements Phys. Rev. Lett. 101 067001
176. Gurevich A and Vinokur V 2003 Interband phase modes and nonequilibrium soliton structures in two-gap superconductors Phys. Rev. Lett. 90 047004
177. Leggett A J 1966 Number-phase fluctuations in two-band superconductors Prog. Theor. Phys. 36 901-30
178. 3He: the early days as seen by a theorist Rev. Mod. Phys. 76 999-1011
179. Sharapov S G, Gusynin V and Beck H 2002 Effective action approach to the Leggett's mode in two-band superconductors Eur. Phys. J. B 30 45-51
180. 2 from point-contact and tunneling spectroscopy Solid State Commun. 129 85-9
181. Agterberg D F, Demler E and Janko B 2002 Josephson effects between multigap and single-gap superconductors Phys. Rev. B 66 214507
182. Anishchanka A, Volkov A F and Efetov K B 2007 Collective modes in two-band superconductors in the dirty limit Phys. Rev. B 76 104504
183. 2: magneto-Raman spectroscopy Physica C 456 75-82
184. 2 superconductor Phys. Rev. Lett. 99 227002
185. Klein M V and Dierker S B 1984 Theory of Raman scattering in superconductors Phys. Rev. B 29 4976-91
186. Tanaka Y 2002 Soliton in two-band superconductor Phys. Rev. Lett. 88 017002
187. Gurevich A and Vinokur V 2006 Phase textures induced by dc-current pair breaking in weakly coupled multilayer structures and two-gap superconductors Phys. Rev. Lett. 97 137003
188. Babaev E 2002 Vortices with fractional flux in two-gap superconductors and in extended Faddeev model Phys. Rev. Lett. 89 067001
189. Duan Y S, Zhao L and Zhang X H 2006 Topological vortices in a two-gap superconductor Phys. Lett. A 360 183-9
190. Goryo J, Soma S and Matsukawa H 2007 Deconfinement of vortices with continuously variable fractions of the unit flux quanta in two-gap superconductors Europhys. Lett. 80 17002-6
191. Babaev E and Speight M 2005 Semi-Meissner state and neither type-I nor type-II superconductivity in multicomponent superconductors Phys. Rev. B 72 180502(R)
192. Babaev E, Sudbø A and Ashcroft N W 2004 A superconductor to superfluid phase transition in liquid metallic hydrogen Nature 431 666-8
193. Babaev E and Ashcroft N W 2007 Violation of the London law and Onsager-Feynman quantization in multicomponent superconductors Nat. Phys. 3 530-3
194. Bluhm H, Koshnick N C, Huber M E and Moler K A 2006 Magnetic response of mesoscopic superconducting rings with two order parameters Phys. Rev. Lett. 97 237002
195. 2 samples Physica C 355 1-5
196. 2 (A=Li and Na) Physica C 363 219-23
197. 2 Physica C 385 8-15
198. 2: the role of substitutions Physica C 456 134-43
199. 2: carbon versus aluminum doping Phys. Rev. Lett. 94 027002
200. 2 Phys. Rev. Lett. 72 060507
201. 2 Phys. Rev. Lett. 88 067001
202. 2 Phys. Rev. B 72 024504
203. 2: superconducting energy gaps and scattering studies Phys. Rev. B 75 144507
204. 2 Physica C 456 102-7
205. 2 Phys. Rev. B 71 144512
206. 2 single crystals up to x = 0.32 J. Phys.: Condens. Matter 20 085225
207. Klein T et al 2006 Influence of Al doping on the critical fields and gap values in magnesium diboride single crystals Phys. Rev. B 73 224528
208. 2 Phys. Rev. B 68 132505
209. 2. electron doping and scattering effects Physica C 460 84-8
210. 2 single crystals with x = 0.132 from point-contact spectroscopy Phys. Rev. B 71 060503
211. 2: a sub-meV resolution photoemission study Phys. Rev. B 72 064527
212. 2 and related materials Physica C 456 126-33
213. 2 Phys. Rev. Lett. 92 217003
214. 2 hybrid physical-chemical vapor deposition thin films Appl. Phys. Lett. 91 082513
215. 2 Physica C 387 301-6
216. 2 single crystals Physica C 397 7-13
217. 2 single crystals Physica C 456 117-25
218. 2 coated-conductor fibers Appl. Phys. Lett. 87 252509
219. c by carbon-based chemical doping Physica C 456 170-9
220. 2 by nano SiC doping Phys. Rev. Lett. 98 097002
221. 2 single crystals Phys. Rev. B 73 174520
222. 2 single crystals Phys. Rev. Lett. 97 037001
223. 2 compounds Phys. Rev. B 73 214508
224. 2: a simple explanation Phys. Rev. B 74 014513
225. 2 thin films J. Appl. Phys. 101 043903
226. 2 single crystals Phys. Rev. B 69 054510
227. 2 films irradiated with 200 MeV Ag ions Appl. Phys. Lett. 84 2352-4
228. Gandikota R et al 2005 Effect of damage by 2 MeV He ions on the normal and superconducting properties of magnesium diboride Appl. Phys. Lett. 86 012508
229. 2 thin films Appl. Phys. Lett. 87 072507
230. 2 bulk superconductors Supercond. Sci. Technol. 15 L9-L12
231. 2 after irradiation J. Phys.: Condens. Matter 15 883-93
232. 2 Phys. Rev. Lett. 96 077003
233. 2 thin films by scanning tunneling spectroscopy measurements Phys. Rev. B 75 014515
234. 2: a review and a comparison with A15 superconductors Supercond. Sci. Technol. 21 043001
235. 2 Phys. Rev. B 74 174519
236. 2 Science 294 2518-20
237. 5 Phys. Rev. Lett. 100 157001
238. 3 Phys. Rev. B 70 174503
239. 12 Phys. Rev. Lett. 95 107004
240. 12: a thermal conductivity study Phys. Rev. Lett. 97 236403
241. 2 Phys. Rev. Lett. 99 116402
242. 0.11 at very high magnetic fields Nature 453 903-5
243. 2 Phys. Rev. B 73 205102
244. Hess H F, Robinson R B and Waszczak J V 1990 Vortex-core structure observed with a scanning tunneling microscope Phys. Rev. Lett. 64 2711-4
245. 2 Phys. Rev. B 77 134505
246. Callaghan F D, Laulajainen M, Kaiser C V and Sonier J E 2005 Field dependence of the vortex core size in a multiband superconductor Phys. Rev. Lett. 95 197001
247. 2: evidence for multiband superconductivity Phys. Rev. Lett. 90 117003
248. c = 26 K J. Am. Chem. Soc. 130 3296-7
249. x]FeAs Chin. Phys. Lett. 25 2215-6
250. xFeAs systems Nature 453 899-902
251. x: a low carrier density superconductor near itinerant magnetism Phys. Rev. Lett. 100 237003
252. Zhang P H, Louie S G and Cohen M L 2005 Nonlocal screening, electron-phonon coupling, and phonon renormalization in metals Phys. Rev. Lett. 94 225502
253. Moussa J E and Cohen M L 2006 Two bounds on the maximum phonon-mediated superconducting transition temperature Phys. Rev. B 74 094520
254. Pickett W E 2008 The next breakthrough in phonon-mediated superconductivity Physica C 468 126-135
255. c superconductivity in hole-doped LiBC Phys. Rev. Lett. 88 127001
256. 2 Phys. Rev. B 73 180501
257. 6 in one material: suggestions from first-principles calculations Phys. Rev. B 75 064510
258. 6 Phys. Rev. Lett. 95 087003
259. 2 and graphene layered structures Phys. Rev. B 77 052501
260. Pickett W E 2006 Design for a room temperature superconductor J. Supercond. Novel Magn. 19 291-7
261. Buzdin A I 2005 Proximity effects in superconductor-ferromagnet heterostructures Rev. Mod. Phys. 77 935-76
262. Bergeret F S, Volkov A F and Efetov K B 2005 Odd triplet superconductivity and related phenomena in superconductor-ferromagnet structures Rev. Mod. Phys. 77 1321-73
263. Jiang J S, Davidović D, Reich D H and Chien C L 1995 Oscillatory superconducting transition temperature in Nb/Gd multilayers Phys. Rev. Lett. 74 314-7
264. Mühge T, Garif'yanov N N, Goryunov Y V, Khaliullin G G, Tagirov L R, Westerholt K, Garifullin I A and Zabel H 1996 Possible origin for oscillatory superconducting transition temperature in superconductor/ferromagnet multilayers Phys. Rev. Lett. 77 1857-60
265. Ryazanov V V, Oboznov V A, Rusanov A Y, Veretennikov A V, Golubov A A and Aarts J 2001 Coupling of two superconductors through a ferromagnet: evidence for a π junction Phys. Rev. Lett. 86 2427-30
266. Oboznov V A, Bol'ginov V V, Feofanov A K, Ryazanov V V and Buzdin A I 2006 Thickness dependence of the Josephson ground states of superconductor- ferromagnet-superconductor junctions Phys. Rev. Lett. 96 197003
267. 2 thin films: intrinsic or extrinsic Appl. Phys. Lett. 90 151920