In crystallography, a stacking fault is a planar defect that can occur in crystalline materials. Crystalline materials form repeating patterns of layers of atoms. Errors can occur in the sequence of these layers and are known as stacking faults. Stacking faults are in a higher energy state which is quantified by the formation enthalpy per unit area called the stacking-fault energy. Stacking faults can arise during crystal growth or from plastic deformation. In addition, dislocations in low stacking-fault energy materials typically dissociate into an extended dislocation, which is a stacking fault bounded by partial dislocations.
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| - Stapelfehler (de)
- 적층 결함 (ko)
- Stacking fault (en)
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| - Ein Stapelfehler ist ein 2-dimensionaler Gitterfehler in bestimmten Kristallstrukturen. Der Fehler tritt im Allgemeinen in den dichtest gepackten Kristallebenen der kubisch dichtesten Kugelpackung (kdP) oder der hexagonal dichtesten Kugelpackung auf, weil hier die Wechselwirkung zwischen den Atomen am stärksten ist. Ein Stapelfehler liegt vor, wenn die Stapelung der Kristallebenen, z. B. die Abfolge -A-B-C-A-B-C-, in ihrer Regelmäßigkeit unterbrochen wird. (de)
- 적층 결함(積層缺陷, stacking fault)은 층이 쌓이는 순서가 잘못되는 결정 결함이다. 에서는 적층 결함이 나타나기 쉬운데 면심 입방 격자와 조밀 육방 격자는 유사한 구조를 가지고 있으나 적층 순서가 다른 것이기 때문이다. 따라서 두가지 순서가 뒤죽박죽된 적층 결함이 종종 나타난다. (ko)
- In crystallography, a stacking fault is a planar defect that can occur in crystalline materials. Crystalline materials form repeating patterns of layers of atoms. Errors can occur in the sequence of these layers and are known as stacking faults. Stacking faults are in a higher energy state which is quantified by the formation enthalpy per unit area called the stacking-fault energy. Stacking faults can arise during crystal growth or from plastic deformation. In addition, dislocations in low stacking-fault energy materials typically dissociate into an extended dislocation, which is a stacking fault bounded by partial dislocations. (en)
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| - Ein Stapelfehler ist ein 2-dimensionaler Gitterfehler in bestimmten Kristallstrukturen. Der Fehler tritt im Allgemeinen in den dichtest gepackten Kristallebenen der kubisch dichtesten Kugelpackung (kdP) oder der hexagonal dichtesten Kugelpackung auf, weil hier die Wechselwirkung zwischen den Atomen am stärksten ist. Ein Stapelfehler liegt vor, wenn die Stapelung der Kristallebenen, z. B. die Abfolge -A-B-C-A-B-C-, in ihrer Regelmäßigkeit unterbrochen wird. (de)
- In crystallography, a stacking fault is a planar defect that can occur in crystalline materials. Crystalline materials form repeating patterns of layers of atoms. Errors can occur in the sequence of these layers and are known as stacking faults. Stacking faults are in a higher energy state which is quantified by the formation enthalpy per unit area called the stacking-fault energy. Stacking faults can arise during crystal growth or from plastic deformation. In addition, dislocations in low stacking-fault energy materials typically dissociate into an extended dislocation, which is a stacking fault bounded by partial dislocations. The most common example of stacking faults is found in close-packed crystal structures. Face-centered cubic (fcc) structures differ from hexagonal close packed (hcp) structures only in stacking order: both structures have close-packed atomic planes with sixfold symmetry — the atoms form equilateral triangles. When stacking one of these layers on top of another, the atoms are not directly on top of one another. The first two layers are identical for hcp and fcc, and labelled AB. If the third layer is placed so that its atoms are directly above those of the first layer, the stacking will be ABA — this is the hcp structure, and it continues ABABABAB. However, there is another possible location for the third layer, such that its atoms are not above the first layer. Instead, it is the atoms in the fourth layer that are directly above the first layer. This produces the stacking ABCABCABC, which is in the [111] direction of a cubic crystal structure. In this context, a stacking fault is a local deviation from one of the close-packed stacking sequences to the other one. Usually, only one- two- or three-layer interruptions in the stacking sequence are referred to as stacking faults. An example for the fcc structure is the sequence ABCABABCAB. (en)
- 적층 결함(積層缺陷, stacking fault)은 층이 쌓이는 순서가 잘못되는 결정 결함이다. 에서는 적층 결함이 나타나기 쉬운데 면심 입방 격자와 조밀 육방 격자는 유사한 구조를 가지고 있으나 적층 순서가 다른 것이기 때문이다. 따라서 두가지 순서가 뒤죽박죽된 적층 결함이 종종 나타난다. (ko)
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