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Title: Direct characterization of photoinduced lattice dynamics in BaFe2As2

Abstract

Ultrafast light pulses can modify electronic properties of quantum materials by perturbing the underlying, intertwined degrees of freedom. In particular, iron-based superconductors exhibit a strong coupling among electronic nematic fluctuations, spins and the lattice, serving as a playground for ultrafast manipulation. Here we use time-resolved X-ray scattering to measure the lattice dynamics of photoexcited BaFe2As2. On optical excitation, no signature of an ultrafast change of the crystal symmetry is observed, but the lattice oscillates rapidly in time due to the coherent excitation of an A1g mode that modulates the Fe–As–Fe bond angle. We directly quantify the coherent lattice dynamics and show that even a small photoinduced lattice distortion can induce notable changes in the electronic and magnetic properties. Our analysis implies that transient structural modification can be an effective tool for manipulating the electronic properties of multi-orbital systems, where electronic instabilities are sensitive to the orbital character of bands.

Authors:
 [1];  [2];  [3];  [4];  [5];  [5];  [4];  [1];  [1];  [1];  [4];  [4];  [4];  [6];  [6];  [7];  [8];  [3];  [3];  [9] more »; ORCiD logo [1];  [5];  [1];  [1] « less
  1. SLAC National Accelerator Laboratory, Menlo Park, CA (United States)
  2. Chungbuk National Univ., Cheongju (Korea, Republic of)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
  4. SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Linac Coherent Light Source
  5. Stanford Univ., CA (United States). Depts. of Physics and Applied Physics
  6. SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Stanford Synchrotron Radiation Light Source
  7. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Computational Research Div.
  8. Karlsruhe Inst. of Technology (KIT) (Germany). Inst. for Solid State Physics
  9. SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF)
OSTI Identifier:
1177763
Report Number(s):
SLAC-PUB-16254
Journal ID: ISSN 2041-1723; ncomms8377
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 6; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; MATSCI, XFEL

Citation Formats

Gerber, S., Kim, K. W., Zhang, Y., Zhu, D., Plonka, N., Yi, M., Dakovski, G. L., Leuenberger, D., Kirchmann, P.S., Moore, R. G., Chollet, M., Glownia, J. M., Feng, Y., Lee, J.-S., Mehta, A., Kemper, A. F., Wolf, T., Chuang, Y.-D., Hussain, Z., Kao, C.-C., Moritz, B., Shen, Z.-X., Devereaux, T. P., and Lee, W.-S. Direct characterization of photoinduced lattice dynamics in BaFe2As2. United States: N. p., 2015. Web. doi:10.1038/ncomms8377.
Gerber, S., Kim, K. W., Zhang, Y., Zhu, D., Plonka, N., Yi, M., Dakovski, G. L., Leuenberger, D., Kirchmann, P.S., Moore, R. G., Chollet, M., Glownia, J. M., Feng, Y., Lee, J.-S., Mehta, A., Kemper, A. F., Wolf, T., Chuang, Y.-D., Hussain, Z., Kao, C.-C., Moritz, B., Shen, Z.-X., Devereaux, T. P., & Lee, W.-S. Direct characterization of photoinduced lattice dynamics in BaFe2As2. United States. https://doi.org/10.1038/ncomms8377
Gerber, S., Kim, K. W., Zhang, Y., Zhu, D., Plonka, N., Yi, M., Dakovski, G. L., Leuenberger, D., Kirchmann, P.S., Moore, R. G., Chollet, M., Glownia, J. M., Feng, Y., Lee, J.-S., Mehta, A., Kemper, A. F., Wolf, T., Chuang, Y.-D., Hussain, Z., Kao, C.-C., Moritz, B., Shen, Z.-X., Devereaux, T. P., and Lee, W.-S. 2015. "Direct characterization of photoinduced lattice dynamics in BaFe2As2". United States. https://doi.org/10.1038/ncomms8377. https://www.osti.gov/servlets/purl/1177763.
@article{osti_1177763,
title = {Direct characterization of photoinduced lattice dynamics in BaFe2As2},
author = {Gerber, S. and Kim, K. W. and Zhang, Y. and Zhu, D. and Plonka, N. and Yi, M. and Dakovski, G. L. and Leuenberger, D. and Kirchmann, P.S. and Moore, R. G. and Chollet, M. and Glownia, J. M. and Feng, Y. and Lee, J.-S. and Mehta, A. and Kemper, A. F. and Wolf, T. and Chuang, Y.-D. and Hussain, Z. and Kao, C.-C. and Moritz, B. and Shen, Z.-X. and Devereaux, T. P. and Lee, W.-S.},
abstractNote = {Ultrafast light pulses can modify electronic properties of quantum materials by perturbing the underlying, intertwined degrees of freedom. In particular, iron-based superconductors exhibit a strong coupling among electronic nematic fluctuations, spins and the lattice, serving as a playground for ultrafast manipulation. Here we use time-resolved X-ray scattering to measure the lattice dynamics of photoexcited BaFe2As2. On optical excitation, no signature of an ultrafast change of the crystal symmetry is observed, but the lattice oscillates rapidly in time due to the coherent excitation of an A1g mode that modulates the Fe–As–Fe bond angle. We directly quantify the coherent lattice dynamics and show that even a small photoinduced lattice distortion can induce notable changes in the electronic and magnetic properties. Our analysis implies that transient structural modification can be an effective tool for manipulating the electronic properties of multi-orbital systems, where electronic instabilities are sensitive to the orbital character of bands.},
doi = {10.1038/ncomms8377},
url = {https://www.osti.gov/biblio/1177763}, journal = {Nature Communications},
issn = {2041-1723},
number = ,
volume = 6,
place = {United States},
year = {Mon Jun 08 00:00:00 EDT 2015},
month = {Mon Jun 08 00:00:00 EDT 2015}
}

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Cited by: 32 works
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Works referenced in this record:

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Femtosecond X-ray measurement of coherent lattice vibrations near the Lindemann stability limit
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Control of the electronic phase of a manganite by mode-selective vibrational excitation
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Dynamic competition between spin-density wave order and superconductivity in underdoped Ba1−xKxFe2As2
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Similarities between structural distortions under pressure and chemical doping in superconducting BaFe2As2
journal, May 2009


Light-Induced Superconductivity in a Stripe-Ordered Cuprate
journal, January 2011


Divergent Nematic Susceptibility in an Iron Arsenide Superconductor
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Large-Amplitude Spin Dynamics Driven by a THz Pulse in Resonance with an Electromagnon
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High-temperature superconductivity in iron-based materials
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Works referencing / citing this record:

Probing dynamics in quantum materials with femtosecond X-rays
journal, June 2018


Ultrafast dynamics in the Lifshitz-type 5 d pyrochlore antiferromagnet Cd 2 Os 2 O 7
journal, October 2019


Photoinduced possible superconducting state with long-lived disproportionate band filling in FeSe
journal, September 2019


Femtosecond electron-phonon lock-in by photoemission and x-ray free-electron laser
journal, July 2017


Scientific instrument Femtosecond X-ray Experiments (FXE): instrumentation and baseline experimental capabilities
journal, August 2019


Photo-induced semimetallic states realised in electron–hole coupled insulators
journal, October 2018


Ultrafast structural dynamics of the orthorhombic distortion in the Fe-pnictide parent compound BaFe2As2
journal, March 2016