Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1982144531', 'doi': 'https://doi.org/10.1063/1.3140459', 'title': 'Spin polarization of Fe4N thin films determined by point-contact Andreev reflection', 'display_name': 'Spin polarization of Fe4N thin films determined by point-contact Andreev reflection', 'publication_year': 2009, 'publication_date': '2009-05-18', 'ids': {'openalex': 'https://openalex.org/W1982144531', 'doi': 'https://doi.org/10.1063/1.3140459', 'mag': '1982144531'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1063/1.3140459', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S105243760', 'display_name': 'Applied Physics Letters', 'issn_l': '0003-6951', 'issn': ['0003-6951', '1077-3118', '1520-8842'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320257', 'host_organization_name': 'American Institute of Physics', 'host_organization_lineage': ['https://openalex.org/P4310320257'], 'host_organization_lineage_names': ['American Institute of Physics'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'green', 'oa_url': 'https://tsukuba.repo.nii.ac.jp/record/17895/files/APL_94-20.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5045451987', 'display_name': 'Akari Narahara', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I146399215', 'display_name': 'University of Tsukuba', 'ror': 'https://ror.org/02956yf07', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I146399215']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'A. Narahara', 'raw_affiliation_strings': ['University of Tsukuba 1 Institute of Applied Physics, , 1-1-1 Tennohdai, Tsukuba, Ibaraki 305-8573, Japan'], 'affiliations': [{'raw_affiliation_string': 'University of Tsukuba 1 Institute of Applied Physics, , 1-1-1 Tennohdai, Tsukuba, Ibaraki 305-8573, Japan', 'institution_ids': ['https://openalex.org/I146399215']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5007664318', 'display_name': 'Keita Ito', 'orcid': 'https://orcid.org/0000-0002-3682-8614'}, 'institutions': [{'id': 'https://openalex.org/I146399215', 'display_name': 'University of Tsukuba', 'ror': 'https://ror.org/02956yf07', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I146399215']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'K. Ito', 'raw_affiliation_strings': ['University of Tsukuba 1 Institute of Applied Physics, , 1-1-1 Tennohdai, Tsukuba, Ibaraki 305-8573, Japan'], 'affiliations': [{'raw_affiliation_string': 'University of Tsukuba 1 Institute of Applied Physics, , 1-1-1 Tennohdai, Tsukuba, Ibaraki 305-8573, Japan', 'institution_ids': ['https://openalex.org/I146399215']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5034768180', 'display_name': 'Takashi Suemasu', 'orcid': 'https://orcid.org/0000-0001-6012-4986'}, 'institutions': [{'id': 'https://openalex.org/I146399215', 'display_name': 'University of Tsukuba', 'ror': 'https://ror.org/02956yf07', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I146399215']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'T. Suemasu', 'raw_affiliation_strings': ['University of Tsukuba 1 Institute of Applied Physics, , 1-1-1 Tennohdai, Tsukuba, Ibaraki 305-8573, Japan'], 'affiliations': [{'raw_affiliation_string': 'University of Tsukuba 1 Institute of Applied Physics, , 1-1-1 Tennohdai, Tsukuba, Ibaraki 305-8573, Japan', 'institution_ids': ['https://openalex.org/I146399215']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5001691658', 'display_name': 'Y. K. Takahashi', 'orcid': 'https://orcid.org/0000-0001-9197-7236'}, 'institutions': [{'id': 'https://openalex.org/I146399215', 'display_name': 'University of Tsukuba', 'ror': 'https://ror.org/02956yf07', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I146399215']}, {'id': 'https://openalex.org/I205401836', 'display_name': 'National Institute for Materials Science', 'ror': 'https://ror.org/026v1ze26', 'country_code': 'JP', 'type': 'facility', 'lineage': ['https://openalex.org/I205401836']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Y. K. Takahashi', 'raw_affiliation_strings': ['National Institute for Materials Science 2 , Tsukuba 305-0047, Japan and , Tsukuba 305-0047, Japan', 'University of Tsukuba 2 , Tsukuba 305-0047, Japan and , Tsukuba 305-0047, Japan'], 'affiliations': [{'raw_affiliation_string': 'University of Tsukuba 2 , Tsukuba 305-0047, Japan and , Tsukuba 305-0047, Japan', 'institution_ids': ['https://openalex.org/I146399215']}, {'raw_affiliation_string': 'National Institute for Materials Science 2 , Tsukuba 305-0047, Japan and , Tsukuba 305-0047, Japan', 'institution_ids': ['https://openalex.org/I205401836']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5062980476', 'display_name': 'A. Ranajikanth', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I205401836', 'display_name': 'National Institute for Materials Science', 'ror': 'https://ror.org/026v1ze26', 'country_code': 'JP', 'type': 'facility', 'lineage': ['https://openalex.org/I205401836']}, {'id': 'https://openalex.org/I146399215', 'display_name': 'University of Tsukuba', 'ror': 'https://ror.org/02956yf07', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I146399215']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'A. Ranajikanth', 'raw_affiliation_strings': ['National Institute for Materials Science 2 , Tsukuba 305-0047, Japan and , Tsukuba 305-0047, Japan', 'University of Tsukuba 2 , Tsukuba 305-0047, Japan and , Tsukuba 305-0047, Japan'], 'affiliations': [{'raw_affiliation_string': 'National Institute for Materials Science 2 , Tsukuba 305-0047, Japan and , Tsukuba 305-0047, Japan', 'institution_ids': ['https://openalex.org/I205401836']}, {'raw_affiliation_string': 'University of Tsukuba 2 , Tsukuba 305-0047, Japan and , Tsukuba 305-0047, Japan', 'institution_ids': ['https://openalex.org/I146399215']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5089821455', 'display_name': 'K. Hono', 'orcid': 'https://orcid.org/0000-0001-7367-0193'}, 'institutions': [{'id': 'https://openalex.org/I205401836', 'display_name': 'National Institute for Materials Science', 'ror': 'https://ror.org/026v1ze26', 'country_code': 'JP', 'type': 'facility', 'lineage': ['https://openalex.org/I205401836']}, {'id': 'https://openalex.org/I146399215', 'display_name': 'University of Tsukuba', 'ror': 'https://ror.org/02956yf07', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I146399215']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'K. Hono', 'raw_affiliation_strings': ['National Institute for Materials Science 2 , Tsukuba 305-0047, Japan and , Tsukuba 305-0047, Japan', 'University of Tsukuba 2 , Tsukuba 305-0047, Japan and , Tsukuba 305-0047, Japan'], 'affiliations': [{'raw_affiliation_string': 'National Institute for Materials Science 2 , Tsukuba 305-0047, Japan and , Tsukuba 305-0047, Japan', 'institution_ids': ['https://openalex.org/I205401836']}, {'raw_affiliation_string': 'University of Tsukuba 2 , Tsukuba 305-0047, Japan and , Tsukuba 305-0047, Japan', 'institution_ids': ['https://openalex.org/I146399215']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 3.795, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 66, 'citation_normalized_percentile': {'value': 0.956666, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 95, 'max': 96}, 'biblio': {'volume': '94', 'issue': '20', 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10049', 'display_name': 'Magnetic Skyrmions and Spintronics', 'score': 0.9999, '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'}}, 'topics': [{'id': 'https://openalex.org/T10049', 'display_name': 'Magnetic Skyrmions and Spintronics', 'score': 0.9999, '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/T10472', 'display_name': 'Atomic Layer Deposition Technology', 'score': 0.9989, 'subfield': {'id': 'https://openalex.org/subfields/2208', 'display_name': 'Electrical and Electronic Engineering'}, '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/T11661', 'display_name': 'Low Dielectric Constant Materials for Microelectronics', 'score': 0.9982, 'subfield': {'id': 'https://openalex.org/subfields/2504', 'display_name': 'Electronic, Optical and Magnetic Materials'}, 'field': {'id': 'https://openalex.org/fields/25', 'display_name': 'Materials Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/andreev-reflection', 'display_name': 'Andreev reflection', 'score': 0.96459496}, {'id': 'https://openalex.org/keywords/thin-film-growth', 'display_name': 'Thin Film Growth', 'score': 0.482371}], 'concepts': [{'id': 'https://openalex.org/C184423171', 'wikidata': 'https://www.wikidata.org/wiki/Q501629', 'display_name': 'Andreev reflection', 'level': 3, 'score': 0.96459496}, {'id': 'https://openalex.org/C21690051', 'wikidata': 'https://www.wikidata.org/wiki/Q962347', 'display_name': 'Spin polarization', 'level': 3, 'score': 0.76685405}, {'id': 'https://openalex.org/C26873012', 'wikidata': 'https://www.wikidata.org/wiki/Q214781', 'display_name': 'Condensed matter physics', 'level': 1, 'score': 0.75624436}, {'id': 'https://openalex.org/C3792809', 'wikidata': 'https://www.wikidata.org/wiki/Q898542', 'display_name': 'Molecular beam epitaxy', 'level': 4, 'score': 0.70804363}, {'id': 'https://openalex.org/C205049153', 'wikidata': 'https://www.wikidata.org/wiki/Q2698605', 'display_name': 'Polarization (electrochemistry)', 'level': 2, 'score': 0.6024136}, {'id': 'https://openalex.org/C19067145', 'wikidata': 'https://www.wikidata.org/wiki/Q1137203', 'display_name': 'Thin film', 'level': 2, 'score': 0.54760605}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.53043556}, {'id': 'https://openalex.org/C42704618', 'wikidata': 'https://www.wikidata.org/wiki/Q910917', 'display_name': 'Spin (aerodynamics)', 'level': 2, 'score': 0.45881113}, {'id': 'https://openalex.org/C110738630', 'wikidata': 'https://www.wikidata.org/wiki/Q1135540', 'display_name': 'Epitaxy', 'level': 3, 'score': 0.43258297}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.20604718}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.20328292}, {'id': 'https://openalex.org/C54101563', 'wikidata': 'https://www.wikidata.org/wiki/Q124131', 'display_name': 'Superconductivity', 'level': 2, 'score': 0.15409696}, {'id': 'https://openalex.org/C171250308', 'wikidata': 'https://www.wikidata.org/wiki/Q11468', 'display_name': 'Nanotechnology', 'level': 1, 'score': 0.13945189}, {'id': 'https://openalex.org/C2779227376', 'wikidata': 'https://www.wikidata.org/wiki/Q6505497', 'display_name': 'Layer (electronics)', 'level': 2, 'score': 0.0668475}, {'id': 'https://openalex.org/C147120987', 'wikidata': 'https://www.wikidata.org/wiki/Q2225', 'display_name': 'Electron', 'level': 2, 'score': 0.048432767}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.046059936}, {'id': 'https://openalex.org/C147789679', 'wikidata': 'https://www.wikidata.org/wiki/Q11372', 'display_name': 'Physical chemistry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C97355855', 'wikidata': 'https://www.wikidata.org/wiki/Q11473', 'display_name': 'Thermodynamics', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1063/1.3140459', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S105243760', 'display_name': 'Applied Physics Letters', 'issn_l': '0003-6951', 'issn': ['0003-6951', '1077-3118', '1520-8842'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320257', 'host_organization_name': 'American Institute of Physics', 'host_organization_lineage': ['https://openalex.org/P4310320257'], 'host_organization_lineage_names': ['American Institute of Physics'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://tsukuba.repo.nii.ac.jp/record/17895/files/APL_94-20.pdf', 'pdf_url': 'https://tsukuba.repo.nii.ac.jp/record/17895/files/APL_94-20.pdf', 'source': {'id': 'https://openalex.org/S4306402076', 'display_name': 'Terrestrial Environment Research Center (University of Tsukuba)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I146399215', 'host_organization_name': 'University of Tsukuba', 'host_organization_lineage': ['https://openalex.org/I146399215'], 'host_organization_lineage_names': ['University of Tsukuba'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://tsukuba.repo.nii.ac.jp/record/17895/files/APL_94-20.pdf', 'pdf_url': 'https://tsukuba.repo.nii.ac.jp/record/17895/files/APL_94-20.pdf', 'source': {'id': 'https://openalex.org/S4306402076', 'display_name': 'Terrestrial Environment Research Center (University of Tsukuba)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I146399215', 'host_organization_name': 'University of Tsukuba', 'host_organization_lineage': ['https://openalex.org/I146399215'], 'host_organization_lineage_names': ['University of Tsukuba'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 28, 'referenced_works': ['https://openalex.org/W1495856627', 'https://openalex.org/W1615700008', 'https://openalex.org/W1632163936', 'https://openalex.org/W1964251388', 'https://openalex.org/W1964429498', 'https://openalex.org/W1979792422', 'https://openalex.org/W1979956682', 'https://openalex.org/W1982852473', 'https://openalex.org/W1986263077', 'https://openalex.org/W1989116198', 'https://openalex.org/W1989184744', 'https://openalex.org/W1996418689', 'https://openalex.org/W1999189524', 'https://openalex.org/W2005334823', 'https://openalex.org/W2013101486', 'https://openalex.org/W2017453082', 'https://openalex.org/W2023793006', 'https://openalex.org/W2025165344', 'https://openalex.org/W2037721219', 'https://openalex.org/W2061153989', 'https://openalex.org/W2067491064', 'https://openalex.org/W2072393446', 'https://openalex.org/W2073369032', 'https://openalex.org/W2079262427', 'https://openalex.org/W2089321291', 'https://openalex.org/W2126203749', 'https://openalex.org/W2147227982', 'https://openalex.org/W2297385895'], 'related_works': ['https://openalex.org/W2894456807', 'https://openalex.org/W2604136136', 'https://openalex.org/W2584256521', 'https://openalex.org/W2029724610', 'https://openalex.org/W2022644632', 'https://openalex.org/W1992694528', 'https://openalex.org/W1987747688', 'https://openalex.org/W1982144531', 'https://openalex.org/W1973853757', 'https://openalex.org/W1973631656'], 'abstract_inverted_index': {'The': [0, 32, 62], 'spin': [1, 33, 66], 'polarization': [2, 34, 67], 'of': [3, 30, 64], '(100)-oriented': [4], 'γ′-Fe4N': [5, 37, 69], 'layers': [6], 'grown': [7], 'on': [8], 'MgO(001)': [9], 'substrates': [10], 'by': [11], 'molecular': [12], 'beam': [13], 'epitaxy': [14], 'was': [15, 26], 'deduced': [16], 'from': [17], 'point': [18], 'contact': [19], 'Andreev': [20], 'reflection': [21], 'measurements,': [22], 'and': [23], 'the': [24], 'value': [25, 45], 'compared': [27], 'with': [28, 58], 'that': [29, 50], 'α-Fe.': [31], '(P)': [35], 'for': [36, 51], 'is': [38, 46, 70], 'approximately': [39], '0.59': [40], 'at': [41, 54], '7.8': [42, 55], 'K.': [43], 'This': [44], 'distinctly': [47], 'larger': [48], 'than': [49], 'α-Fe': [52], '(P=0.49': [53], 'K)': [56], 'measured': [57], 'an': [59], 'identical': [60], 'setting.': [61], 'mechanism': [63], 'enhanced': [65], 'in': [68], 'discussed.': [71]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1982144531', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 3}, {'year': 2021, 'cited_by_count': 2}, {'year': 2020, 'cited_by_count': 3}, {'year': 2019, 'cited_by_count': 6}, {'year': 2018, 'cited_by_count': 6}, {'year': 2017, 'cited_by_count': 3}, {'year': 2016, 'cited_by_count': 5}, {'year': 2015, 'cited_by_count': 7}, {'year': 2014, 'cited_by_count': 3}, {'year': 2013, 'cited_by_count': 3}, {'year': 2012, 'cited_by_count': 9}], 'updated_date': '2024-09-23T23:42:31.338874', 'created_date': '2016-06-24'}