skip to main content

Title: High-pressure generation using double stage micro-paired diamond anvils shaped by focused ion beam

Micron-sized diamond anvils with a 3 μm culet were successfully processed using a focused ion beam (FIB) system and the generation of high pressures was confirmed using the double stage diamond anvil cell technique. The difficulty of aligning two second-stage micro-anvils was solved via the paired micro-anvil method. Micro-manufacturing using a FIB system enables us to control anvil shape, process any materials, including nano-polycrystalline diamond and single crystal diamond, and assemble the sample exactly in a very small space between the second-stage anvils. This method is highly reproducible. High pressures over 300 GPa were achieved, and the pressure distribution around the micro-anvil culet was evaluated by using a well-focused synchrotron micro-X-ray beam.
Authors:
;  [1] ;  [2] ;  [1] ;  [3] ; ;  [4] ; ; ; ;  [5]
  1. Geodynamics Research Center, Ehime University, Matsuyama 790-8577 (Japan)
  2. Geochemical Research Center, Graduate School of Science, The University of Tokyo, Tokyo 113-0033 (Japan)
  3. (Japan)
  4. Japan Synchrotron Radiation Research Institute, Hyogo 679-5198 (Japan)
  5. HITACHI High-Technologies, Hitachinaka 312-0033 (Japan)
Publication Date:
OSTI Identifier:
22392419
Resource Type:
Journal Article
Resource Relation:
Journal Name: Review of Scientific Instruments; Journal Volume: 86; Journal Issue: 3; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; DIAMONDS; ION BEAMS; MANUFACTURING; MATERIALS; MONOCRYSTALS; POLYCRYSTALS; PRESSURE RANGE GIGA PA; PRESSURE RANGE MEGA PA 10-100; SPACE; SYNCHROTRONS; X RADIATION