Structural study of amorphous LaNi5Dx: In situ neutron and X-ray diffraction experiments in deuterium gas

K. Itoh; T. Shoumura; M. Sugiyama; K. Mori; T. Fukunaga

doi:10.1016/j.jallcom.2008.06.044

Structural study of amorphous LaNi₅D_x: In situ neutron and X-ray diffraction experiments in deuterium gas

K. Itoh, T. Shoumura, M. Sugiyama, K. Mori, T. Fukunaga

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

In situ neutron and X-ray diffraction measurements at various D₂ pressures up to 2.28 MPa were performed on amorphous LaNi₅D_x prepared by mechanical alloying in D₂ gas. Reverse Monte Carlo (RMC) simulation based on the neutron and X-ray diffraction data was performed to construct a three-dimensional atomic model of these amorphous alloys. The RMC models show that more than 90% of the deuterium atoms occupy tetrahedral sites consisting of La and/or Ni atoms. Moreover, most occupy the 2Ni + 2La and 3Ni + La tetrahedral sites.

Original language	English
Pages (from-to)	4-8
Number of pages	5
Journal	Journal of Alloys and Compounds
Volume	474
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jallcom.2008.06.044
Publication status	Published - Apr 17 2009
Externally published	Yes

Keywords

Amorphous materials
Atomic scale structure
Neutron diffraction
X-ray diffraction

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

Access to Document

10.1016/j.jallcom.2008.06.044

Cite this

@article{799bb491da04475480f38b0890b9f3d9,

title = "Structural study of amorphous LaNi5Dx: In situ neutron and X-ray diffraction experiments in deuterium gas",

abstract = "In situ neutron and X-ray diffraction measurements at various D2 pressures up to 2.28 MPa were performed on amorphous LaNi5Dx prepared by mechanical alloying in D2 gas. Reverse Monte Carlo (RMC) simulation based on the neutron and X-ray diffraction data was performed to construct a three-dimensional atomic model of these amorphous alloys. The RMC models show that more than 90% of the deuterium atoms occupy tetrahedral sites consisting of La and/or Ni atoms. Moreover, most occupy the 2Ni + 2La and 3Ni + La tetrahedral sites.",

keywords = "Amorphous materials, Atomic scale structure, Neutron diffraction, X-ray diffraction",

author = "K. Itoh and T. Shoumura and M. Sugiyama and K. Mori and T. Fukunaga",

note = "Funding Information: The authors express their thanks to the staff at the Booster Synchrotron Utilization Facility at KEK for providing us with the opportunity to conduct neutron diffraction experiments and the Japan Synchrotron Radiation Research Institute (JASRI) for the high-energy X-ray diffraction experiments. This work was supported in part by a Grant-in-Aid for Young Scientists (B) from the Ministry of Education, Culture, Sports, Science and Technology of Japan. ",

year = "2009",

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doi = "10.1016/j.jallcom.2008.06.044",

language = "English",

volume = "474",

pages = "4--8",

journal = "Journal of Alloys and Compounds",

issn = "0925-8388",

publisher = "Elsevier BV",

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TY - JOUR

T1 - Structural study of amorphous LaNi5Dx

T2 - In situ neutron and X-ray diffraction experiments in deuterium gas

AU - Itoh, K.

AU - Shoumura, T.

AU - Sugiyama, M.

AU - Mori, K.

AU - Fukunaga, T.

N1 - Funding Information: The authors express their thanks to the staff at the Booster Synchrotron Utilization Facility at KEK for providing us with the opportunity to conduct neutron diffraction experiments and the Japan Synchrotron Radiation Research Institute (JASRI) for the high-energy X-ray diffraction experiments. This work was supported in part by a Grant-in-Aid for Young Scientists (B) from the Ministry of Education, Culture, Sports, Science and Technology of Japan.

PY - 2009/4/17

Y1 - 2009/4/17

N2 - In situ neutron and X-ray diffraction measurements at various D2 pressures up to 2.28 MPa were performed on amorphous LaNi5Dx prepared by mechanical alloying in D2 gas. Reverse Monte Carlo (RMC) simulation based on the neutron and X-ray diffraction data was performed to construct a three-dimensional atomic model of these amorphous alloys. The RMC models show that more than 90% of the deuterium atoms occupy tetrahedral sites consisting of La and/or Ni atoms. Moreover, most occupy the 2Ni + 2La and 3Ni + La tetrahedral sites.

AB - In situ neutron and X-ray diffraction measurements at various D2 pressures up to 2.28 MPa were performed on amorphous LaNi5Dx prepared by mechanical alloying in D2 gas. Reverse Monte Carlo (RMC) simulation based on the neutron and X-ray diffraction data was performed to construct a three-dimensional atomic model of these amorphous alloys. The RMC models show that more than 90% of the deuterium atoms occupy tetrahedral sites consisting of La and/or Ni atoms. Moreover, most occupy the 2Ni + 2La and 3Ni + La tetrahedral sites.

KW - Amorphous materials

KW - Atomic scale structure

KW - Neutron diffraction

KW - X-ray diffraction

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