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Ewa Rönnebro

National Institute of Advanced Industrial Science and Technology

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Publication

Featured researches published by Ewa Rönnebro.

Journal of Alloys and Compounds | 2003

The first magnesium–chromium hydride synthesized by the gigapascal high-pressure technique

Daisuke Kyoi; Ewa Rönnebro; Naoyuki Kitamura; Atsushi Ueda; Mikio Ito; Shigeru Katsuyama; Tetsuo Sakai

Abstract The occurrence of new magnesium-based ternary hydrides of chromium was investigated by using the gigapascal high-pressure thermal technique. Powders of MgH 2 and Cr in the molar relation of 3:1 were compressed at a pressure up to 8 GPa by using a multi-anvil machine, and then heated to 873 K. The resultant samples were studied with X-ray powder diffraction and thermal desorption spectroscopy. A new phase, Mg 3 CrH x , was discovered under hydrogen pressure at 6–8 GPa. The hydrogen desorption was observed at around 598 K for the samples containing this new phase.

Journal of Alloys and Compounds | 2004

A new ternary magnesium–titanium hydride Mg7TiHx with hydrogen desorption properties better than both binary magnesium and titanium hydrides

Daisuke Kyoi; Toyoto Sato; Ewa Rönnebro; Naoyuki Kitamura; Atsushi Ueda; Mikio Ito; Shigeru Katsuyama; Shigeta Hara; Dag Noréus; Tetsuo Sakai

Journal of Alloys and Compounds | 2004

A novel magnesium-vanadium hydride synthesized by a gigapascal-high-pressure technique

Daisuke Kyoi; Toyoto Sato; Ewa Rönnebro; Yasufumi Tsuji; Naoyuki Kitamura; Atsushi Ueda; Mikio Ito; Shigeru Katsuyama; Shigeta Hara; Dag Noréus; Tetsuo Sakai

Journal of Alloys and Compounds | 2006

Structural investigations of two new ternary magnesium–niobium hydrides, Mg6.5NbH∼14 and MgNb2H∼4

Toyoto Sato; Daisuke Kyoi; Ewa Rönnebro; Naoyuki Kitamura; Tetsuo Sakai; Dag Noréus

Journal of Alloys and Compounds | 2005

Hydrogen sites analysed by X-ray synchrotron diffraction in Mg7TiH13–16 made at gigapascal high-pressures

Ewa Rönnebro; Daisuke Kyoi; A. Kitano; Yasuyuki Kitano; Tetsuo Sakai

Journal of Alloys and Compounds | 2003

Structural characterization of Mg3MnH∼6—a new high-pressure phase synthesized in a multi-anvil cell at 6 GPa

Helen Blomqvist; Ewa Rönnebro; Daisuke Kyoi; Tetsuo Sakai; Dag Noréus

Solid State Ionics | 2005

Comparative studies of mechanical and electrochemical lithiation of intermetallic nanocomposite alloys for anode materials in Li-ion batteries

Ewa Rönnebro; Jingtian Yin; Akiko Kitano; Masahi Wada; Tetsuo Sakai

Materials Transactions | 2002

Novel Magnesium-Manganese Hydrides Prepared by the Gigapascal High Pressure Technique

Daisuke Kyoi; Ewa Rönnebro; Helen Blomqvist; Jun Chen; Naoyuki Kitamura; Tetsuo Sakai; Hiroshi Nagai

Journal of Alloys and Compounds | 2004

Phase transformations of Mg2NiH4 at high-pressure thermal treatment

Ewa Rönnebro; Yuh Fukai; Souichi Yamamoto; Tetsuo Sakai

Journal of Alloys and Compounds | 2003

The gigapascal pressure thermal technique for synthesising new ternary metal hydrides in the A–Pd–H (A=Li, Na or Mg) system

Ewa Rönnebro; Naoyuki Kitamura; Tetsuo Sakai

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Collaboration

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Tetsuo Sakai

National Institute of Advanced Industrial Science and Technology

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Daisuke Kyoi

Osaka University

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Naoyuki Kitamura

National Institute of Advanced Industrial Science and Technology

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Dag Noréus

Stockholm University

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Atsushi Ueda

National Institute of Advanced Industrial Science and Technology

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Mikio Ito

Osaka University

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Shigeru Katsuyama

Osaka University

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Yuh Fukai

Chuo University

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Toyoto Sato

Stockholm University

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Jun Chen

National Institute of Advanced Industrial Science and Technology

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