X-ray Compton Scattering Study of Liquid Germanium and Tin

被引：1

作者：

Kimura, Koji ^{[1
,4
]}

Matsuda, Kazuhiro ^{[1
]}

Nagao, Takena ^{[1
]}

Hagiya, Toru ^{[1
]}

Kajihara, Yukio ^{[2
]}

Inui, Masanori ^{[2
]}

Nakamura, Jumpei ^{[1
,6
]}

Chiba, Ayano ^{[3
]}

Hayashi, Kouichi ^{[4
]}

Itou, Masayoshi ^{[5
]}

Sakurai, Yoshiharu ^{[5
]}

机构：

[1] Kyoto Univ, Grad Sch Sci, Kyoto 6068502, Japan

[2] Hiroshima Univ, Grad Sch Integrated Arts & Sci, Higashihiroshima, Hiroshima 7398521, Japan

[3] Keio Univ, Dept Phys, Yokohama, Kanagawa 2238522, Japan

[4] Nagoya Inst Technol, Dept Phys Sci & Engn, Nagoya, Aichi 4668555, Japan

[5] SPring 8, Japan Synchrotron Radiat Res Inst, Sayo, Hyogo 6795198, Japan

[6] High Energy Accelerator Res Org KEK, Inst Mat Struct Sci, Tsukuba, Ibaraki 3050801, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2017年 / 86卷 / 12期

关键词：

ELECTRON MOMENTUM DENSITY; PHOTOELECTRON-SPECTROSCOPY; SYNCHROTRON-RADIATION; SILICON; DIFFRACTION; PROFILE; SI; DYNAMICS; GE; SN;

D O I：

10.7566/JPSJ.86.124703

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

X-ray Compton scattering measurements have been carried out on germanium (Ge) and tin (Sn) in the solid and liquid states. While the shape of the Compton profiles (CPs) of Ge reflects the semiconductor-to-metal transition upon melting, it was found that even for Sn, which remains metallic during the solid-liquid phase transition, the shape of the CP in the liquid state exhibits more metallic characteristics than that in the solid state. The experimentally derived Fermi momenta of liquid Ge and Sn have systematically higher values than those of the electron gas at corresponding electron densities, which indicates a non-simple metallic nature of the group IV elements in the liquid state.

引用

页数：6

共 37 条

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