Coherent excitations and electron-phonon coupling in Ba/EuFe2As2 compounds investigated by femtosecond time- and angle-resolved photoemission spectroscopy

Journal of Physics Condensed Matter

Volumn 25, Issue 9, 2013, Pages

  Avigo, I ^a   Cortes R ^b,c,g   Rettig, L ^a,b   Thirupathaiah, S ^d   Jeevan, H S ^e   Gegenwart, P ^e   Wolf, T ^f   Ligges, M ^a   Wolf, M ^c   Fink, J ^d   Bovensiepen, U ^a  

^a UNIVERSITY OF DUISBURG ESSEN   (Germany)

^b FREIE UNIVERSITÄT BERLIN   (Germany)

^c FRITZ HABER INSTITUT DER MAX PLANCK GESELLSCHAFT   (Germany)

^d IFW DRESDEN   (Germany)

^e UNIVERSITY OF GÖTTINGEN   (Germany)

^f KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

^g BROOKHAVEN NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANGLE RESOLVED PHOTOELECTRON SPECTROSCOPY; ANGLE RESOLVED PHOTOEMISSION SPECTROSCOPY; COHERENT EXCITATIONS; COHERENT PHONONS; DIFFERENT MATERIALS; ELECTRON DISTRIBUTIONS; ELECTRON PHONON COUPLINGS; ELECTRON POPULATION; FEMTOSECOND TIME; FREQUENCY MODES; HOLE DISTRIBUTION; INFRARED FEMTOSECOND LASERS; MULTIBAND SYSTEMS; PARENT COMPOUNDS; THREE TEMPERATURE; TRANSIENT CHANGES; TRANSIENT EVOLUTION;

ELECTRON CORRELATIONS; ELECTRON-PHONON INTERACTIONS; ELECTRONIC STRUCTURE; LASER PULSES; PHOTOELECTRON SPECTROSCOPY; PHOTOEXCITATION;

CHEMICAL POTENTIAL;

EID: 84874072272     PISSN: 09538984     EISSN: 1361648X     Source Type: Journal    
DOI: 10.1088/0953-8984/25/9/094003     Document Type: Article

References (60)

1. Kamihara Y, Watanabe T, Hirano M and Hosono H 2008 Iron-based layered superconductor LaO1-x Fx FeAs (x = 0.05-0.12) with Tc = 26 K J. Am. Chem. Soc. 130 3296 (Pubitemid 351456027)
2. Stewart G R 2011 Superconductivity in iron compounds Rev. Mod. Phys. 83 1589-652
3. Kroll T et al 2008 Electronic structure of LaFeAsO1-x Fx from x-ray absorption spectroscopy Phys. Rev. B 78 220502
4. Bondino F et al 2008 Evidence for strong itinerant spin fluctuations in the normal state of CeFeAsO0.89 F0.11 iron-oxypnictide superconductors Phys. Rev. Lett. 101 267001
5. Bondino F et al 2010 Electronic structure of CeFeAsO1-x Fx (x = 0, 0.11, and 0.12) Phys. Rev. B 82 014529
6. Malaeb W et al 2008 Electronic structure and electron correlation in LaFeAsO1-x Fx and LaFePO1-x Fx J. Phys. Soc. Japan 77 093714
7. Boeri L, Dolgov O V and Golubov A A 2008 Is LaFeAsO1-x Fx an electron-phonon superconductor? Phys. Rev. Lett. 101 026403
8. Boeri L, Calandra M, Mazin I I, Dolgov O V and Mauri F 2010 Effects of magnetism and doping on the electron-phonon coupling in BaFe2 As2 Phys. Rev. B 82 020506
9. Mansart B, Boschetto D, Savoia A, Rullier-Albenque F, Forget A, Colson D, Rousse A and Marsi M 2009 Observation of a coherent optical phonon in the iron pnictide superconductor Ba(Fe1-x Cox )2 As2 (x = 0.06 and 0.08) Phys. Rev. B 80 172504
10. Stojchevska L, Kusar P, Mertelj T, Kabanov V V, Lin X, Cao G H, Xu Z A and Mihailovic D 2010 Electron-phonon coupling and the charge gap of spin-density wave iron-pnictide materials from quasiparticle relaxation dynamics Phys. Rev. B 82 012505
11. Rettig L, Cortés R, Thirupathaiah S, Gegenwart P, Jeevan H S, Wolf M, Fink J and Bovensiepen U 2012 Ultrafast momentum-dependent response of electrons in antiferromagnetic EuFe2 As2 driven by optical excitation Phys. Rev. Lett. 108 097002
12. Kiss T et al 2005 Photoemission spectroscopic evidence of gap anisotropy in an f-electron superconductor Phys. Rev. Lett. 94 057001 (Pubitemid 40620878)
13. Koralek J D et al 2006 Laser based angle-resolved photoemission, the sudden approximation, and quasiparticle-like spectral peaks in Bi2 Sr2 CaCu2 O8+δ Phys. Rev. Lett. 96 017005 (Pubitemid 43248391)
14. Loukakos P A, Lisowski M, Bihlmayer G, Blügel S, Wolf M and Bovensiepen U 2007 Dynamics of the self-energy of the Gd(0001) surface state probed by femtosecond photoemission spectroscopy Phys. Rev. Lett. 98 097401 (Pubitemid 46353816)
15. Bovensiepen U, Petek H and Wolf M 2011 Current Developments (Dynamics in Solid State Surfaces and Interfaces vol 1) (Weinheim: Wiley)
16. Perfetti L, Loukakos P A, Lisowski M, Bovensiepen U, Berger H, Biermann S, Cornaglia P S, Georges A and Wolf M 2006 Time evolution of the electronic structure of 1T - TaS2 through the insulator-metal transition Phys. Rev. Lett. 97 067402 (Pubitemid 44200573)
17. Rettig L, Kirchmann P S and Bovensiepen U 2012 Ultrafast dynamics of occupied quantum well states in Pb/Si(111) New J. Phys. 14 023047
18. Schattke W 2000 Electron scattering states for low-energy spectroscopies Prog. Surf. Sci. 64 89
19. 2 As2 Phys. Rev. B 79 220503
20. 2 As2 by angle-resolved photoemission spectroscopy Phys. Rev. B 79 155118
21. x As2 from angle-resolved photoemission spectroscopy Phys. Rev. B 81 104512
22. Thirupathaiah S et al 2011 Dissimilarities between the electronic structure of chemically doped and chemically pressurized iron pnictides from an angle-resolved photoemission spectroscopy study Phys. Rev. B 84 014531
23. 2 As2 Phys. Rev. B 78 052502
24. Hardy F, Adelmann P, Wolf T, Löhneysen H v and Meingast C 2009 Large anisotropic uniaxial pressure dependencies of Tc in single crystalline Ba(Fe0.92 Co0.08 )2 As2 Phys. Rev. Lett. 102 187004
25. Kirchmann P S, Rettig L, Nandi D, Lipowski U, Wolf M and Bovensiepen U 2008 A time-of-flight spectrometer for angle-resolved detection of low energy electrons in two dimensions Appl. Phys. A 91 211-7
26. Lee P A, Citrin P H, Eisenberger P and Kincaid B M 1981 Extended x-ray absorption fine structure its strengths and limitations as a structural tool Rev. Mod. Phys. 53 769-806
27. Schmitt F, Kirchmann P S, Bovensiepen U, Moore R G, Chu J-H, Lu D H, Rettig L, Wolf M, Fisher I R and Shen Z-X 2011 Ultrafast electron dynamics in the charge density wave material TbTe3 New J. Phys. 13 26
28. Hase M, Kitajima M, Nakashima S and Mizoguchi K 2002 Dynamics of coherent anharmonic phonons in bismuth using high density photoexcitation Phys. Rev. Lett. 88 067401
29. 2 As2 studied by Raman spectroscopy Phys. Rev. B 80 094504
30. 2 As2 Phys. Rev. B 84 104508
31. 2 As2 studied by Raman spectroscopy Phys. Rev. B 78 212503
32. 2 As2 J. Phys.: Condens. Matter 23 255403
33. 2 As2 (x = 0.0,0.4) Phys. Rev. B 78 060503
34. 1.84 Co0.16 As2 from Raman scattering Phys. Rev. B 83 019903
35. 2 As2 driven by coherent lattice vibrations Nature Mater. 11 497-501
36. 1-x Fx single crystals Phys. Rev. B 81 224504
37. Garrett G A, Albrecht T F, Whitaker J F and Merlin R 1996 Coherent THz phonons driven by light pulses and the Sb problem: What is the mechanism? Phys. Rev. Lett. 77 3661
38. Hase M, Ishioka K, Demsar J, Ushida K and Kitajima M 2005 Ultrafast dynamics of coherent optical phonons and nonequilibrium electrons in transition metals Phys. Rev. B 71 184301 (Pubitemid 41743156)
39. Ishioka K and Misochko O V 2010 Coherent lattice oscillations in solids and their optical control Progress in Ultrafast Intense Laser Science (Springer Series in Chemical Physics vol 98) (Berlin: Springer)
40. Zeiger H J, Vidal J, Cheng T K, Ippen E P, Dresselhaus G and Dresselhaus M S 1992 Theory for displacive excitation of coherent phonons Phys. Rev. B 45 768-78
41. Yan Y X, Gamble E B and Nelson K A 1985 Impulsive stimulated scattering: general importance in femtosecond laser pulse interactions with matter, and spectroscopic applications J. Chem. Phys. 83 5391
42. 2 As2 superconductors Phys. Rev. B 84 092504
43. 2 As2 investigated by inelastic x-ray scattering Phys. Rev. B 80 214534
44. Melnikov A, Povolotskiy A and Bovensiepen U 2008 Magnon-enhanced phonon damping at Gd(0001) and Tb(0001) surfaces using femtosecond time-resolved optical second-harmonic generation Phys. Rev. Lett. 100 247401
45. Inosov D S et al 2010 Normal-state spin dynamics and temperature- dependent spin-resonance energy in optimally doped BaFe1.85 Co0.15 As2 Nature Phys. 6 178-81
46. Hase M and Kitajima M 2012 Interaction of coherent phonons with defects and elementary excitations J. Phys.: Condens. Matter 22 073201
47. Lisowski M, Loukakos P A, Bovensiepen U, Stähler J, Gahl C and Wolf M 2004 Ultra-fast dynamics of electron thermalization, cooling and transport effects in Ru(001) Appl. Phys. A 78 165-76
48. Perfetti L, Loukakos P A, Lisowski M, Bovensiepen U, Eisaki H and Wolf M 2007 Ultrafast electron relaxation in superconducting Bi2 Sr2 CaCu2 O8+δ by time-resolved photoelectron spectroscopy Phys. Rev. Lett. 99 197001 (Pubitemid 350099148)
49. Fann W S, Storz R, Tom H W K and Bokor J 1992 Electron thermalization in gold Phys. Rev. B 46 13592
50. Del Fatti N, Voisin C, Achermann M, Tzortzakis S, Christofilos D and Vallée F 2000 Nonequilibrium electron dynamics in noble metals Phys. Rev. B 61 16956-66
51. Rhie H-S, Dürr H A and Eberhardt W 2003 Femtosecond electron and spin dynamics in Ni/W(110) films Phys. Rev. Lett. 90 247201
52. Schmitt F et al 2008 Effect of the amplitude mode and the transient melting of a charge density wave on the electronic structure of TbTe3 Science 321 1649
53. Schmitt F, Kirchmann P S, Bovensiepen U, Moore R G, Chu J-H, Lu D H, Rettig L, Wolf M, Fisher I R and Shen Z-X 2011 Ultrafast electron dynamics in the charge density wave material TbTe3 New J. Phys. 13 063022
54. 2 As2 : effect of structural phase transition, structural relaxation, and magnetic ordering Phys. Rev. B 79 064511
55. 2 As2 Phys. Rev. B 82 024513
56. Allen P B 1987 Theory of thermal relaxation of electrons in metals Phys. Rev. Lett. 59 1460-3
57. 2 As2 (x = 0.074, Tc = 23 K) Phys. Rev. B 79 094507
58. 2 As2 from c-axis heat transport measurements Phys. Rev. B 82 064501
59. 2 As2 as seen via inelastic x-ray scattering Phys. Rev. B 79 220511
60. 2 As2 single crystals using inelastic neutron scattering Phys. Rev. Lett. 102 217001