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Title: Liquid-phase mega-electron-volt ultrafast electron diffraction

Journal Article · · Structural Dynamics
DOI:https://doi.org/10.1063/1.5144518· OSTI ID:1601104
ORCiD logo [1]; ORCiD logo [2];  [3]; ORCiD logo [3];  [3];  [4];  [5];  [6];  [3];  [3];  [3];  [7]; ORCiD logo [3];  [3];  [3];  [3];  [3]; ORCiD logo [4]; ORCiD logo [8];  [4] more »;  [3] « less
  1. Univ. of Nebraska-Lincoln, NE (United States)
  2. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford PULSE Inst.
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford PULSE Inst.
  5. Univ. of Nebraska-Lincoln, Lincoln, NE (United States)
  6. Stanford Univ., CA (United States). Dept. of Physics
  7. Stony Brook Univ., NY (United States). Dept. of Physics and Astronomy
  8. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford PULSE Inst.; SLAC National Accelerator Lab., Menlo Park, CA (United States)

The conversion of light into usable chemical and mechanical energy is pivotal to several biological and chemical processes, many of which occur in solution. To understand the structure–function relationships mediating these processes, a technique with high spatial and temporal resolutions is required. Here, we report on the design and commissioning of a liquid-phase mega-electron-volt (MeV) ultrafast electron diffraction instrument for the study of structural dynamics in solution. Limitations posed by the shallow penetration depth of electrons and the resulting information loss due to multiple scattering and the technical challenge of delivering liquids to vacuum were overcome through the use of MeV electrons and a gas-accelerated thin liquid sheet jet. To demonstrate the capabilities of this instrument, the structure of water and its network were resolved up to the 3rd hydration shell with a spatial resolution of 0.6 Å; preliminary time-resolved experiments demonstrated a temporal resolution of 200 fs.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division; Melvin and Joan Lane Stanford Graduate Fellowship
Grant/Contract Number:
AC02-76SF00515; AC02-05-CH11231; SC0014170; AC0276SF00515
OSTI ID:
1601104
Alternate ID(s):
OSTI ID: 1603722
Journal Information:
Structural Dynamics, Vol. 7, Issue 2; ISSN 2329-7778
Publisher:
American Crystallographic Association/AIPCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 25 works
Citation information provided by
Web of Science

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