Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1534367923', 'doi': 'https://doi.org/10.1007/bfb0034431', 'title': 'Positron study of defects in GaAs', 'display_name': 'Positron study of defects in GaAs', 'publication_year': 2005, 'publication_date': '2005-12-11', 'ids': {'openalex': 'https://openalex.org/W1534367923', 'doi': 'https://doi.org/10.1007/bfb0034431', 'mag': '1534367923'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bfb0034431', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306463937', 'display_name': 'Springer eBooks', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], 'type': 'ebook platform'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'book-chapter', 'type_crossref': 'book-chapter', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5011294409', 'display_name': 'M. Misheva', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I58918642', 'display_name': 'Sofia University "St. Kliment Ohridski"', 'ror': 'https://ror.org/02jv3k292', 'country_code': 'BG', 'type': 'education', 'lineage': ['https://openalex.org/I58918642']}], 'countries': ['BG'], 'is_corresponding': False, 'raw_author_name': 'M. Misheva', 'raw_affiliation_strings': ['Faculty of Physics, Sofia University, Sofia, BULGARIA'], 'affiliations': [{'raw_affiliation_string': 'Faculty of Physics, Sofia University, Sofia, BULGARIA', 'institution_ids': ['https://openalex.org/I58918642']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5054283652', 'display_name': 'G. Pasajov', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I58918642', 'display_name': 'Sofia University "St. Kliment Ohridski"', 'ror': 'https://ror.org/02jv3k292', 'country_code': 'BG', 'type': 'education', 'lineage': ['https://openalex.org/I58918642']}], 'countries': ['BG'], 'is_corresponding': False, 'raw_author_name': 'G. Pasajov', 'raw_affiliation_strings': ['Faculty of Physics, Sofia University, Sofia, BULGARIA'], 'affiliations': [{'raw_affiliation_string': 'Faculty of Physics, Sofia University, Sofia, BULGARIA', 'institution_ids': ['https://openalex.org/I58918642']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5018838219', 'display_name': 'G. Tubmev', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I24768866', 'display_name': 'Bulgarian Academy of Sciences', 'ror': 'https://ror.org/01x8hew03', 'country_code': 'BG', 'type': 'government', 'lineage': ['https://openalex.org/I24768866']}], 'countries': ['BG'], 'is_corresponding': False, 'raw_author_name': 'G. Tubmev', 'raw_affiliation_strings': ['Bulgarian Academy of Sciences,Institute for Nuclear Research and Nuclear Energy,Sofia,Bulgaria'], 'affiliations': [{'raw_affiliation_string': 'Bulgarian Academy of Sciences,Institute for Nuclear Research and Nuclear Energy,Sofia,Bulgaria', 'institution_ids': ['https://openalex.org/I24768866']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5041669537', 'display_name': 'R. Yakimova', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I58918642', 'display_name': 'Sofia University "St. Kliment Ohridski"', 'ror': 'https://ror.org/02jv3k292', 'country_code': 'BG', 'type': 'education', 'lineage': ['https://openalex.org/I58918642']}], 'countries': ['BG'], 'is_corresponding': False, 'raw_author_name': 'R. Yakimova', 'raw_affiliation_strings': ['Faculty of Physics, Sofia University, Sofia, BULGARIA'], 'affiliations': [{'raw_affiliation_string': 'Faculty of Physics, Sofia University, Sofia, BULGARIA', 'institution_ids': ['https://openalex.org/I58918642']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 61}, 'biblio': {'volume': None, 'issue': None, 'first_page': '232', 'last_page': '238'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12579', 'display_name': 'Defect Identification using Positron Annihilation Spectroscopy', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2211', 'display_name': 'Mechanics of Materials'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T12579', 'display_name': 'Defect Identification using Positron Annihilation Spectroscopy', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2211', 'display_name': 'Mechanics of Materials'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10523', 'display_name': 'Interactions of Low-Energy Electrons with Matter and Atoms', 'score': 0.9954, 'subfield': {'id': 'https://openalex.org/subfields/3107', 'display_name': 'Atomic and Molecular Physics, and Optics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11044', 'display_name': 'Advancements in Particle Detector Technology', 'score': 0.9905, 'subfield': {'id': 'https://openalex.org/subfields/3106', 'display_name': 'Nuclear and High Energy Physics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/positronium', 'display_name': 'Positronium', 'score': 0.85865796}, {'id': 'https://openalex.org/keywords/annihilation', 'display_name': 'Annihilation', 'score': 0.5116027}, {'id': 'https://openalex.org/keywords/positron-molecule-interactions', 'display_name': 'Positron-Molecule Interactions', 'score': 0.505692}, {'id': 'https://openalex.org/keywords/positron-lifetime-spectroscopy', 'display_name': 'Positron Lifetime Spectroscopy', 'score': 0.492012}], 'concepts': [{'id': 'https://openalex.org/C2985595821', 'wikidata': 'https://www.wikidata.org/wiki/Q1206668', 'display_name': 'Positron annihilation', 'level': 4, 'score': 0.88419074}, {'id': 'https://openalex.org/C202100949', 'wikidata': 'https://www.wikidata.org/wiki/Q3229', 'display_name': 'Positron', 'level': 3, 'score': 0.8755907}, {'id': 'https://openalex.org/C154726568', 'wikidata': 'https://www.wikidata.org/wiki/Q624990', 'display_name': 'Positronium', 'level': 4, 'score': 0.85865796}, {'id': 'https://openalex.org/C4839761', 'wikidata': 'https://www.wikidata.org/wiki/Q212111', 'display_name': 'Spectral line', 'level': 2, 'score': 0.52772844}, {'id': 'https://openalex.org/C201941533', 'wikidata': 'https://www.wikidata.org/wiki/Q188721', 'display_name': 'Annihilation', 'level': 2, 'score': 0.5116027}, {'id': 'https://openalex.org/C150883371', 'wikidata': 'https://www.wikidata.org/wiki/Q3966593', 'display_name': 'Positron Lifetime Spectroscopy', 'level': 5, 'score': 0.492012}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.46840686}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.39142388}, {'id': 'https://openalex.org/C184779094', 'wikidata': 'https://www.wikidata.org/wiki/Q26383', 'display_name': 'Atomic physics', 'level': 1, 'score': 0.37158838}, {'id': 'https://openalex.org/C185544564', 'wikidata': 'https://www.wikidata.org/wiki/Q81197', 'display_name': 'Nuclear physics', 'level': 1, 'score': 0.37070692}, {'id': 'https://openalex.org/C147120987', 'wikidata': 'https://www.wikidata.org/wiki/Q2225', 'display_name': 'Electron', 'level': 2, 'score': 0.04974568}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.040907383}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bfb0034431', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306463937', 'display_name': 'Springer eBooks', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], 'type': 'ebook platform'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Zero hunger', 'id': 'https://metadata.un.org/sdg/2', 'score': 0.5}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 9, 'referenced_works': ['https://openalex.org/W1652460507', 'https://openalex.org/W1965922455', 'https://openalex.org/W2021080388', 'https://openalex.org/W2023508874', 'https://openalex.org/W2027086826', 'https://openalex.org/W2053406241', 'https://openalex.org/W2069660266', 'https://openalex.org/W2075350250', 'https://openalex.org/W2157177156'], 'related_works': ['https://openalex.org/W44395262', 'https://openalex.org/W2489539655', 'https://openalex.org/W2478456598', 'https://openalex.org/W2340751348', 'https://openalex.org/W2036755751', 'https://openalex.org/W2030182207', 'https://openalex.org/W1977994418', 'https://openalex.org/W1967531247', 'https://openalex.org/W1534367923', 'https://openalex.org/W1450381943'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1534367923', 'counts_by_year': [], 'updated_date': '2024-09-24T09:16:44.909631', 'created_date': '2016-06-24'}