Study on the Mechanical Properties of Monocrystalline Germanium Crystal Planes Based on Molecular Dynamics
Nanoindentation and atomistic molecular dynamics simulations of the loading surface of monocrystalline germanium were used to investigate the evolution of the key structure, the force model, the temperature, the potential, and the deformable layer thickness. The mechanical characteristics of typical...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-03-01
|
| Series: | Micromachines |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2072-666X/13/3/441 |
| _version_ | 1797444838085361664 |
|---|---|
| author | Linsen Song Juncheng Song Junye Li Tiancheng Wang Zhenguo Zhao |
| author_facet | Linsen Song Juncheng Song Junye Li Tiancheng Wang Zhenguo Zhao |
| author_sort | Linsen Song |
| collection | DOAJ |
| description | Nanoindentation and atomistic molecular dynamics simulations of the loading surface of monocrystalline germanium were used to investigate the evolution of the key structure, the force model, the temperature, the potential, and the deformable layer thickness. The mechanical characteristics of typical crystal planes (001), (110), and (111) of the crystal system were compared under load. It was observed that the hardness and stiffness of the (110) plane were greatest among the three crystal planes, whereas the hardness and stiffness of the (111) plane were lowest. Moreover, the deformation layers at the ends of both planes were basically flat. The processing efficiency of the (111) surface was higher; thus, the (111) surface was considered the best loading surface. It was concluded that the subsurface defects of the monocrystalline germanium (111) plane were smaller and the work efficiency was higher during the processing of monocrystalline germanium, making it ideal for monocrystalline germanium ultra-precision processing. |
| first_indexed | 2024-03-09T13:17:15Z |
| format | Article |
| id | doaj.art-372f8a9f454d4d998320c4936bbc6c28 |
| institution | Directory Open Access Journal |
| issn | 2072-666X |
| language | English |
| last_indexed | 2024-03-09T13:17:15Z |
| publishDate | 2022-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Micromachines |
| spelling | doaj.art-372f8a9f454d4d998320c4936bbc6c282023-11-30T21:34:13ZengMDPI AGMicromachines2072-666X2022-03-0113344110.3390/mi13030441Study on the Mechanical Properties of Monocrystalline Germanium Crystal Planes Based on Molecular DynamicsLinsen Song0Juncheng Song1Junye Li2Tiancheng Wang3Zhenguo Zhao4Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, ChinaMinistry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, ChinaMinistry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, ChinaMinistry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, ChinaMinistry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, ChinaNanoindentation and atomistic molecular dynamics simulations of the loading surface of monocrystalline germanium were used to investigate the evolution of the key structure, the force model, the temperature, the potential, and the deformable layer thickness. The mechanical characteristics of typical crystal planes (001), (110), and (111) of the crystal system were compared under load. It was observed that the hardness and stiffness of the (110) plane were greatest among the three crystal planes, whereas the hardness and stiffness of the (111) plane were lowest. Moreover, the deformation layers at the ends of both planes were basically flat. The processing efficiency of the (111) surface was higher; thus, the (111) surface was considered the best loading surface. It was concluded that the subsurface defects of the monocrystalline germanium (111) plane were smaller and the work efficiency was higher during the processing of monocrystalline germanium, making it ideal for monocrystalline germanium ultra-precision processing.https://www.mdpi.com/2072-666X/13/3/441molecular dynamicsmonocrystalline germaniumnanoindentationmechanical properties |
| spellingShingle | Linsen Song Juncheng Song Junye Li Tiancheng Wang Zhenguo Zhao Study on the Mechanical Properties of Monocrystalline Germanium Crystal Planes Based on Molecular Dynamics Micromachines molecular dynamics monocrystalline germanium nanoindentation mechanical properties |
| title | Study on the Mechanical Properties of Monocrystalline Germanium Crystal Planes Based on Molecular Dynamics |
| title_full | Study on the Mechanical Properties of Monocrystalline Germanium Crystal Planes Based on Molecular Dynamics |
| title_fullStr | Study on the Mechanical Properties of Monocrystalline Germanium Crystal Planes Based on Molecular Dynamics |
| title_full_unstemmed | Study on the Mechanical Properties of Monocrystalline Germanium Crystal Planes Based on Molecular Dynamics |
| title_short | Study on the Mechanical Properties of Monocrystalline Germanium Crystal Planes Based on Molecular Dynamics |
| title_sort | study on the mechanical properties of monocrystalline germanium crystal planes based on molecular dynamics |
| topic | molecular dynamics monocrystalline germanium nanoindentation mechanical properties |
| url | https://www.mdpi.com/2072-666X/13/3/441 |
| work_keys_str_mv | AT linsensong studyonthemechanicalpropertiesofmonocrystallinegermaniumcrystalplanesbasedonmoleculardynamics AT junchengsong studyonthemechanicalpropertiesofmonocrystallinegermaniumcrystalplanesbasedonmoleculardynamics AT junyeli studyonthemechanicalpropertiesofmonocrystallinegermaniumcrystalplanesbasedonmoleculardynamics AT tianchengwang studyonthemechanicalpropertiesofmonocrystallinegermaniumcrystalplanesbasedonmoleculardynamics AT zhenguozhao studyonthemechanicalpropertiesofmonocrystallinegermaniumcrystalplanesbasedonmoleculardynamics |