Small Angle Scattering from Nanocrystalline Pd
Abstract The microstructure of nanocrystalline Pd was investigated by small angle scattering of neutrons and X-rays. The samples were prepared by compacting small crystallites produced by evaporation and condensation in an inert gas atmosphere. The strong scattering signal is interpreted to arise fr...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Wallner, G. [verfasserIn] Jorra, E. [verfasserIn] Franz, H. [verfasserIn] Peisl, J. [verfasserIn] Birringer, R. [verfasserIn] Gleiter, H. [verfasserIn] Haubold, T. [verfasserIn] Petry, W. [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1988 |
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| Übergeordnetes Werk: |
Enthalten in: MRS online proceedings library - Warrendale, Pa. : MRS, 1998, 132(1988), 1 vom: Dez., Seite 149-153 |
|---|---|
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volume:132 ; year:1988 ; number:1 ; month:12 ; pages:149-153 |
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| DOI / URN: |
10.1557/PROC-132-149 |
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SPR041405463 |
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| 520 | |a Abstract The microstructure of nanocrystalline Pd was investigated by small angle scattering of neutrons and X-rays. The samples were prepared by compacting small crystallites produced by evaporation and condensation in an inert gas atmosphere. The strong scattering signal is interpreted to arise from crystallites embedded in a matrix of incoherent interfaces. Size distributions were deduced from the scattering curves. They consist of two parts: the crystallite size distribution dictated by the production process, and a structureless contribution due to the correlation in the spatial arrangement of the crystallites. The crystallite size distribution may be described by a log-normal distribution centred at R=2nm. The characteristic form of the correlation contribution arises from the dense packing of non-spherical crystallites. From the scattering cross-section in absolute units the volume fraction $ v_{c} $ of crystallites was obtained as $ v_{c} $≈0.3, and the mean atomic density $ ρ_{i} $ in the interfaces as $ ρ_{i} $≈0.52. The change of structural parameters during thermal annealing of the samples was studied. Up to high temperatures an appreciable volume fraction of crystallites with nearly unchanged size remains along with large particles. | ||
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| 700 | 1 | |a Petry, W. |e verfasserin |4 aut | |
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10.1557/PROC-132-149 doi (DE-627)SPR041405463 (SPR)PROC-132-149-e DE-627 ger DE-627 rakwb eng 670 ASE Wallner, G. verfasserin aut Small Angle Scattering from Nanocrystalline Pd 1988 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The microstructure of nanocrystalline Pd was investigated by small angle scattering of neutrons and X-rays. The samples were prepared by compacting small crystallites produced by evaporation and condensation in an inert gas atmosphere. The strong scattering signal is interpreted to arise from crystallites embedded in a matrix of incoherent interfaces. Size distributions were deduced from the scattering curves. They consist of two parts: the crystallite size distribution dictated by the production process, and a structureless contribution due to the correlation in the spatial arrangement of the crystallites. The crystallite size distribution may be described by a log-normal distribution centred at R=2nm. The characteristic form of the correlation contribution arises from the dense packing of non-spherical crystallites. From the scattering cross-section in absolute units the volume fraction $ v_{c} $ of crystallites was obtained as $ v_{c} $≈0.3, and the mean atomic density $ ρ_{i} $ in the interfaces as $ ρ_{i} $≈0.52. The change of structural parameters during thermal annealing of the samples was studied. Up to high temperatures an appreciable volume fraction of crystallites with nearly unchanged size remains along with large particles. Jorra, E. verfasserin aut Franz, H. verfasserin aut Peisl, J. verfasserin aut Birringer, R. verfasserin aut Gleiter, H. verfasserin aut Haubold, T. verfasserin aut Petry, W. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 132(1988), 1 vom: Dez., Seite 149-153 (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:132 year:1988 number:1 month:12 pages:149-153 https://dx.doi.org/10.1557/PROC-132-149 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 132 1988 1 12 149-153 |
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10.1557/PROC-132-149 doi (DE-627)SPR041405463 (SPR)PROC-132-149-e DE-627 ger DE-627 rakwb eng 670 ASE Wallner, G. verfasserin aut Small Angle Scattering from Nanocrystalline Pd 1988 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The microstructure of nanocrystalline Pd was investigated by small angle scattering of neutrons and X-rays. The samples were prepared by compacting small crystallites produced by evaporation and condensation in an inert gas atmosphere. The strong scattering signal is interpreted to arise from crystallites embedded in a matrix of incoherent interfaces. Size distributions were deduced from the scattering curves. They consist of two parts: the crystallite size distribution dictated by the production process, and a structureless contribution due to the correlation in the spatial arrangement of the crystallites. The crystallite size distribution may be described by a log-normal distribution centred at R=2nm. The characteristic form of the correlation contribution arises from the dense packing of non-spherical crystallites. From the scattering cross-section in absolute units the volume fraction $ v_{c} $ of crystallites was obtained as $ v_{c} $≈0.3, and the mean atomic density $ ρ_{i} $ in the interfaces as $ ρ_{i} $≈0.52. The change of structural parameters during thermal annealing of the samples was studied. Up to high temperatures an appreciable volume fraction of crystallites with nearly unchanged size remains along with large particles. Jorra, E. verfasserin aut Franz, H. verfasserin aut Peisl, J. verfasserin aut Birringer, R. verfasserin aut Gleiter, H. verfasserin aut Haubold, T. verfasserin aut Petry, W. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 132(1988), 1 vom: Dez., Seite 149-153 (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:132 year:1988 number:1 month:12 pages:149-153 https://dx.doi.org/10.1557/PROC-132-149 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 132 1988 1 12 149-153 |
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10.1557/PROC-132-149 doi (DE-627)SPR041405463 (SPR)PROC-132-149-e DE-627 ger DE-627 rakwb eng 670 ASE Wallner, G. verfasserin aut Small Angle Scattering from Nanocrystalline Pd 1988 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The microstructure of nanocrystalline Pd was investigated by small angle scattering of neutrons and X-rays. The samples were prepared by compacting small crystallites produced by evaporation and condensation in an inert gas atmosphere. The strong scattering signal is interpreted to arise from crystallites embedded in a matrix of incoherent interfaces. Size distributions were deduced from the scattering curves. They consist of two parts: the crystallite size distribution dictated by the production process, and a structureless contribution due to the correlation in the spatial arrangement of the crystallites. The crystallite size distribution may be described by a log-normal distribution centred at R=2nm. The characteristic form of the correlation contribution arises from the dense packing of non-spherical crystallites. From the scattering cross-section in absolute units the volume fraction $ v_{c} $ of crystallites was obtained as $ v_{c} $≈0.3, and the mean atomic density $ ρ_{i} $ in the interfaces as $ ρ_{i} $≈0.52. The change of structural parameters during thermal annealing of the samples was studied. Up to high temperatures an appreciable volume fraction of crystallites with nearly unchanged size remains along with large particles. Jorra, E. verfasserin aut Franz, H. verfasserin aut Peisl, J. verfasserin aut Birringer, R. verfasserin aut Gleiter, H. verfasserin aut Haubold, T. verfasserin aut Petry, W. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 132(1988), 1 vom: Dez., Seite 149-153 (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:132 year:1988 number:1 month:12 pages:149-153 https://dx.doi.org/10.1557/PROC-132-149 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 132 1988 1 12 149-153 |
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10.1557/PROC-132-149 doi (DE-627)SPR041405463 (SPR)PROC-132-149-e DE-627 ger DE-627 rakwb eng 670 ASE Wallner, G. verfasserin aut Small Angle Scattering from Nanocrystalline Pd 1988 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The microstructure of nanocrystalline Pd was investigated by small angle scattering of neutrons and X-rays. The samples were prepared by compacting small crystallites produced by evaporation and condensation in an inert gas atmosphere. The strong scattering signal is interpreted to arise from crystallites embedded in a matrix of incoherent interfaces. Size distributions were deduced from the scattering curves. They consist of two parts: the crystallite size distribution dictated by the production process, and a structureless contribution due to the correlation in the spatial arrangement of the crystallites. The crystallite size distribution may be described by a log-normal distribution centred at R=2nm. The characteristic form of the correlation contribution arises from the dense packing of non-spherical crystallites. From the scattering cross-section in absolute units the volume fraction $ v_{c} $ of crystallites was obtained as $ v_{c} $≈0.3, and the mean atomic density $ ρ_{i} $ in the interfaces as $ ρ_{i} $≈0.52. The change of structural parameters during thermal annealing of the samples was studied. Up to high temperatures an appreciable volume fraction of crystallites with nearly unchanged size remains along with large particles. Jorra, E. verfasserin aut Franz, H. verfasserin aut Peisl, J. verfasserin aut Birringer, R. verfasserin aut Gleiter, H. verfasserin aut Haubold, T. verfasserin aut Petry, W. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 132(1988), 1 vom: Dez., Seite 149-153 (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:132 year:1988 number:1 month:12 pages:149-153 https://dx.doi.org/10.1557/PROC-132-149 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 132 1988 1 12 149-153 |
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10.1557/PROC-132-149 doi (DE-627)SPR041405463 (SPR)PROC-132-149-e DE-627 ger DE-627 rakwb eng 670 ASE Wallner, G. verfasserin aut Small Angle Scattering from Nanocrystalline Pd 1988 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The microstructure of nanocrystalline Pd was investigated by small angle scattering of neutrons and X-rays. The samples were prepared by compacting small crystallites produced by evaporation and condensation in an inert gas atmosphere. The strong scattering signal is interpreted to arise from crystallites embedded in a matrix of incoherent interfaces. Size distributions were deduced from the scattering curves. They consist of two parts: the crystallite size distribution dictated by the production process, and a structureless contribution due to the correlation in the spatial arrangement of the crystallites. The crystallite size distribution may be described by a log-normal distribution centred at R=2nm. The characteristic form of the correlation contribution arises from the dense packing of non-spherical crystallites. From the scattering cross-section in absolute units the volume fraction $ v_{c} $ of crystallites was obtained as $ v_{c} $≈0.3, and the mean atomic density $ ρ_{i} $ in the interfaces as $ ρ_{i} $≈0.52. The change of structural parameters during thermal annealing of the samples was studied. Up to high temperatures an appreciable volume fraction of crystallites with nearly unchanged size remains along with large particles. Jorra, E. verfasserin aut Franz, H. verfasserin aut Peisl, J. verfasserin aut Birringer, R. verfasserin aut Gleiter, H. verfasserin aut Haubold, T. verfasserin aut Petry, W. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 132(1988), 1 vom: Dez., Seite 149-153 (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:132 year:1988 number:1 month:12 pages:149-153 https://dx.doi.org/10.1557/PROC-132-149 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 132 1988 1 12 149-153 |
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Abstract The microstructure of nanocrystalline Pd was investigated by small angle scattering of neutrons and X-rays. The samples were prepared by compacting small crystallites produced by evaporation and condensation in an inert gas atmosphere. The strong scattering signal is interpreted to arise from crystallites embedded in a matrix of incoherent interfaces. Size distributions were deduced from the scattering curves. They consist of two parts: the crystallite size distribution dictated by the production process, and a structureless contribution due to the correlation in the spatial arrangement of the crystallites. The crystallite size distribution may be described by a log-normal distribution centred at R=2nm. The characteristic form of the correlation contribution arises from the dense packing of non-spherical crystallites. From the scattering cross-section in absolute units the volume fraction $ v_{c} $ of crystallites was obtained as $ v_{c} $≈0.3, and the mean atomic density $ ρ_{i} $ in the interfaces as $ ρ_{i} $≈0.52. The change of structural parameters during thermal annealing of the samples was studied. Up to high temperatures an appreciable volume fraction of crystallites with nearly unchanged size remains along with large particles. |
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Abstract The microstructure of nanocrystalline Pd was investigated by small angle scattering of neutrons and X-rays. The samples were prepared by compacting small crystallites produced by evaporation and condensation in an inert gas atmosphere. The strong scattering signal is interpreted to arise from crystallites embedded in a matrix of incoherent interfaces. Size distributions were deduced from the scattering curves. They consist of two parts: the crystallite size distribution dictated by the production process, and a structureless contribution due to the correlation in the spatial arrangement of the crystallites. The crystallite size distribution may be described by a log-normal distribution centred at R=2nm. The characteristic form of the correlation contribution arises from the dense packing of non-spherical crystallites. From the scattering cross-section in absolute units the volume fraction $ v_{c} $ of crystallites was obtained as $ v_{c} $≈0.3, and the mean atomic density $ ρ_{i} $ in the interfaces as $ ρ_{i} $≈0.52. The change of structural parameters during thermal annealing of the samples was studied. Up to high temperatures an appreciable volume fraction of crystallites with nearly unchanged size remains along with large particles. |
| abstract_unstemmed |
Abstract The microstructure of nanocrystalline Pd was investigated by small angle scattering of neutrons and X-rays. The samples were prepared by compacting small crystallites produced by evaporation and condensation in an inert gas atmosphere. The strong scattering signal is interpreted to arise from crystallites embedded in a matrix of incoherent interfaces. Size distributions were deduced from the scattering curves. They consist of two parts: the crystallite size distribution dictated by the production process, and a structureless contribution due to the correlation in the spatial arrangement of the crystallites. The crystallite size distribution may be described by a log-normal distribution centred at R=2nm. The characteristic form of the correlation contribution arises from the dense packing of non-spherical crystallites. From the scattering cross-section in absolute units the volume fraction $ v_{c} $ of crystallites was obtained as $ v_{c} $≈0.3, and the mean atomic density $ ρ_{i} $ in the interfaces as $ ρ_{i} $≈0.52. The change of structural parameters during thermal annealing of the samples was studied. Up to high temperatures an appreciable volume fraction of crystallites with nearly unchanged size remains along with large particles. |
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Small Angle Scattering from Nanocrystalline Pd |
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Jorra, E. Franz, H. Peisl, J. Birringer, R. Gleiter, H. Haubold, T. Petry, W. |
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Jorra, E. Franz, H. Peisl, J. Birringer, R. Gleiter, H. Haubold, T. Petry, W. |
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10.1557/PROC-132-149 |
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