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f | 1 | { | f | 1 | { |
2 | "author": "Kumar, C. N. Shyam", | 2 | "author": "Kumar, C. N. Shyam", | ||
3 | "author_email": "", | 3 | "author_email": "", | ||
4 | "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700", | 4 | "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700", | ||
5 | "doi": "10.35097/1606", | 5 | "doi": "10.35097/1606", | ||
6 | "doi_date_published": "2023", | 6 | "doi_date_published": "2023", | ||
7 | "doi_publisher": "", | 7 | "doi_publisher": "", | ||
8 | "doi_status": "True", | 8 | "doi_status": "True", | ||
9 | "extra_authors": [ | 9 | "extra_authors": [ | ||
10 | { | 10 | { | ||
11 | "extra_author": "Possel, Clemens", | 11 | "extra_author": "Possel, Clemens", | ||
12 | "orcid": "" | 12 | "orcid": "" | ||
13 | }, | 13 | }, | ||
14 | { | 14 | { | ||
15 | "extra_author": "Dehm, Simone", | 15 | "extra_author": "Dehm, Simone", | ||
16 | "orcid": "" | 16 | "orcid": "" | ||
17 | }, | 17 | }, | ||
18 | { | 18 | { | ||
19 | "extra_author": "Chakravadhanula, Venkata Sai Kiran", | 19 | "extra_author": "Chakravadhanula, Venkata Sai Kiran", | ||
20 | "orcid": "" | 20 | "orcid": "" | ||
21 | }, | 21 | }, | ||
22 | { | 22 | { | ||
23 | "extra_author": "Wang, Di", | 23 | "extra_author": "Wang, Di", | ||
24 | "orcid": "Information on the data formats provided in the | 24 | "orcid": "Information on the data formats provided in the | ||
25 | individual subdirectories" | 25 | individual subdirectories" | ||
26 | }, | 26 | }, | ||
27 | { | 27 | { | ||
28 | "extra_author": "Wenzel, Wolfgang", | 28 | "extra_author": "Wenzel, Wolfgang", | ||
29 | "orcid": "" | 29 | "orcid": "" | ||
30 | }, | 30 | }, | ||
31 | { | 31 | { | ||
32 | "extra_author": "Krupke, Ralph", | 32 | "extra_author": "Krupke, Ralph", | ||
33 | "orcid": "" | 33 | "orcid": "" | ||
34 | }, | 34 | }, | ||
35 | { | 35 | { | ||
36 | "extra_author": "K\u00fcbel, Christian", | 36 | "extra_author": "K\u00fcbel, Christian", | ||
37 | "orcid": "Information on the data formats provided in the | 37 | "orcid": "Information on the data formats provided in the | ||
38 | individual subdirectories" | 38 | individual subdirectories" | ||
39 | } | 39 | } | ||
40 | ], | 40 | ], | ||
41 | "groups": [], | 41 | "groups": [], | ||
42 | "id": "34c3143c-0abb-46b1-a7f5-8a013a52bc87", | 42 | "id": "34c3143c-0abb-46b1-a7f5-8a013a52bc87", | ||
43 | "isopen": false, | 43 | "isopen": false, | ||
44 | "license_id": "CC BY-NC 4.0 Attribution-NonCommercial", | 44 | "license_id": "CC BY-NC 4.0 Attribution-NonCommercial", | ||
45 | "license_title": "CC BY-NC 4.0 Attribution-NonCommercial", | 45 | "license_title": "CC BY-NC 4.0 Attribution-NonCommercial", | ||
46 | "metadata_created": "2023-08-04T08:51:06.144465", | 46 | "metadata_created": "2023-08-04T08:51:06.144465", | ||
t | 47 | "metadata_modified": "2023-08-04T08:52:12.015415", | t | 47 | "metadata_modified": "2023-08-04T08:53:45.973545", |
48 | "name": "rdr-doi-10-35097-1606", | 48 | "name": "rdr-doi-10-35097-1606", | ||
49 | "notes": "Abstract: Polymer pyrolysis has emerged as a simple and | 49 | "notes": "Abstract: Polymer pyrolysis has emerged as a simple and | ||
50 | versatile method to synthesize graphenoid (graphene like) materials | 50 | versatile method to synthesize graphenoid (graphene like) materials | ||
51 | with varying thickness and properties. The morphology of the thin | 51 | with varying thickness and properties. The morphology of the thin | ||
52 | film, especially the thickness, greatly affects the graphitizability | 52 | film, especially the thickness, greatly affects the graphitizability | ||
53 | (ability to from ordered graphene/ graphite) and thus the properties | 53 | (ability to from ordered graphene/ graphite) and thus the properties | ||
54 | of the resulting graphenoid material. Using in situ current annealing | 54 | of the resulting graphenoid material. Using in situ current annealing | ||
55 | inside a transmission electron microscope (TEM), we followed the | 55 | inside a transmission electron microscope (TEM), we followed the | ||
56 | thickness-dependent structural evolution of the polymer film with a | 56 | thickness-dependent structural evolution of the polymer film with a | ||
57 | special focus on thickness effects. Up to intermediate temperatures, | 57 | special focus on thickness effects. Up to intermediate temperatures, | ||
58 | the structural evolution during current annealing is similar to the | 58 | the structural evolution during current annealing is similar to the | ||
59 | evolution during thermal annealing of the thin films. At higher | 59 | evolution during thermal annealing of the thin films. At higher | ||
60 | temperatures, thin samples form large graphene layers oriented | 60 | temperatures, thin samples form large graphene layers oriented | ||
61 | parallel to the substrate, whereas in thick samples multi-walled | 61 | parallel to the substrate, whereas in thick samples multi-walled | ||
62 | cage-like structures are formed. MD simulations reveal a critical film | 62 | cage-like structures are formed. MD simulations reveal a critical film | ||
63 | thickness of 40 \u00c5 below which, the carbonized layers align | 63 | thickness of 40 \u00c5 below which, the carbonized layers align | ||
64 | parallel to the surface. For thicker samples, the orientation of the | 64 | parallel to the surface. For thicker samples, the orientation of the | ||
65 | layers becomes increasingly misoriented starting from the surface to | 65 | layers becomes increasingly misoriented starting from the surface to | ||
66 | the center. This structural change can be attributed to the formation | 66 | the center. This structural change can be attributed to the formation | ||
67 | of bonded multi-layers from the initially unsaturated activated edges. | 67 | of bonded multi-layers from the initially unsaturated activated edges. | ||
68 | The resulting cage-like structures are stable even during simulated | 68 | The resulting cage-like structures are stable even during simulated | ||
69 | annealing at temperatures as high as 3500 K. An atomistic | 69 | annealing at temperatures as high as 3500 K. An atomistic | ||
70 | understanding of the formation of these structures is presented. The | 70 | understanding of the formation of these structures is presented. The | ||
71 | results clearly indicate the critical effect of thickness on | 71 | results clearly indicate the critical effect of thickness on | ||
72 | graphitizability of polymers and provide a new understanding of the | 72 | graphitizability of polymers and provide a new understanding of the | ||
73 | structural evolution during pyrolysis.\r\nTechnicalRemarks: | 73 | structural evolution during pyrolysis.\r\nTechnicalRemarks: | ||
74 | Information on the data formats provided in the individual | 74 | Information on the data formats provided in the individual | ||
75 | subdirectories", | 75 | subdirectories", | ||
76 | "num_resources": 0, | 76 | "num_resources": 0, | ||
77 | "num_tags": 1, | 77 | "num_tags": 1, | ||
78 | "orcid": "", | 78 | "orcid": "", | ||
79 | "organization": { | 79 | "organization": { | ||
80 | "approval_status": "approved", | 80 | "approval_status": "approved", | ||
81 | "created": "2023-01-12T13:30:23.238233", | 81 | "created": "2023-01-12T13:30:23.238233", | ||
82 | "description": "RADAR (Research Data Repository) is a | 82 | "description": "RADAR (Research Data Repository) is a | ||
83 | cross-disciplinary repository for archiving and publishing research | 83 | cross-disciplinary repository for archiving and publishing research | ||
84 | data from completed scientific studies and projects. The focus is on | 84 | data from completed scientific studies and projects. The focus is on | ||
85 | research data from subjects that do not yet have their own | 85 | research data from subjects that do not yet have their own | ||
86 | discipline-specific infrastructures for research data management. ", | 86 | discipline-specific infrastructures for research data management. ", | ||
87 | "id": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | 87 | "id": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | ||
88 | "image_url": "radar-logo.svg", | 88 | "image_url": "radar-logo.svg", | ||
89 | "is_organization": true, | 89 | "is_organization": true, | ||
90 | "name": "radar", | 90 | "name": "radar", | ||
91 | "state": "active", | 91 | "state": "active", | ||
92 | "title": "RADAR", | 92 | "title": "RADAR", | ||
93 | "type": "organization" | 93 | "type": "organization" | ||
94 | }, | 94 | }, | ||
95 | "owner_org": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | 95 | "owner_org": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | ||
96 | "private": false, | 96 | "private": false, | ||
97 | "production_year": "2022", | 97 | "production_year": "2022", | ||
98 | "publication_year": "2023", | 98 | "publication_year": "2023", | ||
99 | "publishers": [ | 99 | "publishers": [ | ||
100 | { | 100 | { | ||
101 | "publisher": "Karlsruhe Institute of Technology" | 101 | "publisher": "Karlsruhe Institute of Technology" | ||
102 | } | 102 | } | ||
103 | ], | 103 | ], | ||
104 | "relationships_as_object": [], | 104 | "relationships_as_object": [], | ||
105 | "relationships_as_subject": [], | 105 | "relationships_as_subject": [], | ||
106 | "repository_name": "RADAR (Research Data Repository)", | 106 | "repository_name": "RADAR (Research Data Repository)", | ||
107 | "resources": [], | 107 | "resources": [], | ||
108 | "services_used_list": "", | 108 | "services_used_list": "", | ||
109 | "source_metadata_created": "2023", | 109 | "source_metadata_created": "2023", | ||
110 | "source_metadata_modified": "", | 110 | "source_metadata_modified": "", | ||
111 | "state": "active", | 111 | "state": "active", | ||
112 | "subject_areas": [ | 112 | "subject_areas": [ | ||
113 | { | 113 | { | ||
114 | "subject_area_additional": "", | 114 | "subject_area_additional": "", | ||
115 | "subject_area_name": "Engineering" | 115 | "subject_area_name": "Engineering" | ||
116 | } | 116 | } | ||
117 | ], | 117 | ], | ||
118 | "tags": [ | 118 | "tags": [ | ||
119 | { | 119 | { | ||
120 | "display_name": "In-situ TEM", | 120 | "display_name": "In-situ TEM", | ||
121 | "id": "ff8c7519-97c6-4bd0-82d3-286affff76d5", | 121 | "id": "ff8c7519-97c6-4bd0-82d3-286affff76d5", | ||
122 | "name": "In-situ TEM", | 122 | "name": "In-situ TEM", | ||
123 | "state": "active", | 123 | "state": "active", | ||
124 | "vocabulary_id": null | 124 | "vocabulary_id": null | ||
125 | } | 125 | } | ||
126 | ], | 126 | ], | ||
127 | "title": "Graphitizability of polymer thin films: an in situ tem | 127 | "title": "Graphitizability of polymer thin films: an in situ tem | ||
128 | study of thickness effects on nanocrystalline graphene/glassy carbon | 128 | study of thickness effects on nanocrystalline graphene/glassy carbon | ||
129 | formation", | 129 | formation", | ||
130 | "type": "vdataset", | 130 | "type": "vdataset", | ||
131 | "url": "https://doi.org/10.35097/1606" | 131 | "url": "https://doi.org/10.35097/1606" | ||
132 | } | 132 | } |