Using stepped anvils to make even insulation layers in laser-heated diamond-anvil cell samples

Du, Zhixue; Gu, Tingting; Dobrosavljevic, Vasilije; Weir, Samuel T.; Falabella, Steve; Lee, Kanani K.  M.

doi:10.1063/1.4929667

Title: Using stepped anvils to make even insulation layers in laser-heated diamond-anvil cell samples

Journal Article · Tue Sep 01 00:00:00 EDT 2015 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.4929667· OSTI ID:1336986

Du, Zhixue ^[1]; Gu, Tingting ^[1]; Dobrosavljevic, Vasilije ^[1]; Weir, Samuel T. ^[2]; Falabella, Steve ^[2]; Lee, Kanani K. M. ^[1]

Yale Univ., New Haven, CT (United States). Dept. of Geology and Geophysics
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Here, we describe a method to make even insulation layers for high-pressure laser-heated diamond-anvil cell samples using stepped anvils. Moreover, the method works for both single-sided and double-sided laser heating using solid or fluid insulation. The stepped anvils are used as matched pairs or paired with a flat culet anvil to make gasket insulation layers and not actually used at high pressures; thus, their longevity is ensured. We also compare the radial temperature gradients and Soret diffusion of iron between self-insulating samples and samples produced with stepped anvils and find that less pronounced Soret diffusion occurs in samples with even insulation layers produced by stepped anvils.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC52-07NA27344; AC02-98CH10886

OSTI ID:: 1336986

Report Number(s):: LLNL-JRNL-695619; RSINAK

Journal Information:: Review of Scientific Instruments, Vol. 86, Issue 9; ISSN 0034-6748

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 9 works

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Cited By (4)

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High-pressure melting curve of sulfur up to 65 GPa Arveson, Sarah M.; Meng, Yue; Lee, June Physical Review B, Vol. 100, Issue 5 https://doi.org/10.1103/physrevb.100.054106	journal	August 2019

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