Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1978655868', 'doi': 'https://doi.org/10.1063/1.4763463', 'title': 'Piezoelectric superlattice: From piezoelectric to Huang-Kun-like equations', 'display_name': 'Piezoelectric superlattice: From piezoelectric to Huang-Kun-like equations', 'publication_year': 2012, 'publication_date': '2012-10-17', 'ids': {'openalex': 'https://openalex.org/W1978655868', 'doi': 'https://doi.org/10.1063/1.4763463', 'mag': '1978655868'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1063/1.4763463', 'pdf_url': 'https://pubs.aip.org/aip/adv/article-pdf/doi/10.1063/1.4763463/8431602/042117_1_online.pdf', 'source': {'id': 'https://openalex.org/S189917590', 'display_name': 'AIP Advances', 'issn_l': '2158-3226', 'issn': ['2158-3226'], 'is_oa': True, 'is_in_doaj': True, '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': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'doaj'], 'open_access': {'is_oa': True, 'oa_status': 'gold', 'oa_url': 'https://pubs.aip.org/aip/adv/article-pdf/doi/10.1063/1.4763463/8431602/042117_1_online.pdf', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5011863678', 'display_name': 'Cheng‐ping Huang', 'orcid': 'https://orcid.org/0000-0003-4750-7557'}, 'institutions': [{'id': 'https://openalex.org/I134687103', 'display_name': 'Nanjing Tech University', 'ror': 'https://ror.org/03sd35x91', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I134687103']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Cheng-ping Huang', 'raw_affiliation_strings': ['Nanjing University of Technology 1 Department of Applied Physics, , Nanjing 210009, P.R. China'], 'affiliations': [{'raw_affiliation_string': 'Nanjing University of Technology 1 Department of Applied Physics, , Nanjing 210009, P.R. China', 'institution_ids': ['https://openalex.org/I134687103']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5102117018', 'display_name': 'Yong-yuan Zhu', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4391768004', 'display_name': 'National Laboratory of Solid State Microstructures', 'ror': 'https://ror.org/05ryc2b20', 'country_code': None, 'type': 'facility', 'lineage': ['https://openalex.org/I4391768004', 'https://openalex.org/I881766915']}, {'id': 'https://openalex.org/I4210140493', 'display_name': 'Collaborative Innovation Center of Advanced Microstructures', 'ror': 'https://ror.org/04ttadj76', 'country_code': 'CN', 'type': 'facility', 'lineage': ['https://openalex.org/I126520041', 'https://openalex.org/I183067930', 'https://openalex.org/I19820366', 'https://openalex.org/I24943067', 'https://openalex.org/I2802624667', 'https://openalex.org/I4210140493', 'https://openalex.org/I76130692', 'https://openalex.org/I881766915']}, {'id': 'https://openalex.org/I881766915', 'display_name': 'Nanjing University', 'ror': 'https://ror.org/01rxvg760', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I881766915']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Yong-yuan Zhu', 'raw_affiliation_strings': ['Nanjing University 2 National Laboratory of Solid State Microstructures, , Nanjing 210093, P.R. China'], 'affiliations': [{'raw_affiliation_string': 'Nanjing University 2 National Laboratory of Solid State Microstructures, , Nanjing 210093, P.R. China', 'institution_ids': ['https://openalex.org/I4391768004', 'https://openalex.org/I4210140493', 'https://openalex.org/I881766915']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 4, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 1350, 'currency': 'USD', 'value_usd': 1350, 'provenance': 'doaj'}, 'apc_paid': {'value': 1350, 'currency': 'USD', 'value_usd': 1350, 'provenance': 'doaj'}, 'fwci': 0.751, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 9, 'citation_normalized_percentile': {'value': 0.720416, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 84, 'max': 85}, 'biblio': {'volume': '2', 'issue': '4', 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11160', 'display_name': 'Acoustic Wave Resonator Technologies', 'score': 0.9987, 'subfield': {'id': 'https://openalex.org/subfields/2204', 'display_name': 'Biomedical Engineering'}, '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/T11160', 'display_name': 'Acoustic Wave Resonator Technologies', 'score': 0.9987, 'subfield': {'id': 'https://openalex.org/subfields/2204', 'display_name': 'Biomedical 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/T10107', 'display_name': 'Ferroelectric and Piezoelectric Materials', 'score': 0.9986, 'subfield': {'id': 'https://openalex.org/subfields/2505', 'display_name': 'Materials Chemistry'}, 'field': {'id': 'https://openalex.org/fields/25', 'display_name': 'Materials Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10666', 'display_name': 'Photonic Crystals and Applications', 'score': 0.9975, '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'}}], 'keywords': [], 'concepts': [{'id': 'https://openalex.org/C100082104', 'wikidata': 'https://www.wikidata.org/wiki/Q183759', 'display_name': 'Piezoelectricity', 'level': 2, 'score': 0.79336965}, {'id': 'https://openalex.org/C105382558', 'wikidata': 'https://www.wikidata.org/wiki/Q332431', 'display_name': 'Superlattice', 'level': 2, 'score': 0.79088134}, {'id': 'https://openalex.org/C130725296', 'wikidata': 'https://www.wikidata.org/wiki/Q65296045', 'display_name': 'Polariton', 'level': 2, 'score': 0.7093944}, {'id': 'https://openalex.org/C26873012', 'wikidata': 'https://www.wikidata.org/wiki/Q214781', 'display_name': 'Condensed matter physics', 'level': 1, 'score': 0.589117}, {'id': 'https://openalex.org/C24169881', 'wikidata': 'https://www.wikidata.org/wiki/Q186608', 'display_name': 'Phonon', 'level': 2, 'score': 0.5124817}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.48063365}, {'id': 'https://openalex.org/C131584629', 'wikidata': 'https://www.wikidata.org/wiki/Q4308705', 'display_name': 'Coupling (piping)', 'level': 2, 'score': 0.46410143}, {'id': 'https://openalex.org/C159317903', 'wikidata': 'https://www.wikidata.org/wiki/Q3198', 'display_name': 'Photon', 'level': 2, 'score': 0.4588907}, {'id': 'https://openalex.org/C14037181', 'wikidata': 'https://www.wikidata.org/wiki/Q215007', 'display_name': 'Equations of motion', 'level': 2, 'score': 0.43309453}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.39674497}, {'id': 'https://openalex.org/C74650414', 'wikidata': 'https://www.wikidata.org/wiki/Q11397', 'display_name': 'Classical mechanics', 'level': 1, 'score': 0.25043562}, {'id': 'https://openalex.org/C120665830', 'wikidata': 'https://www.wikidata.org/wiki/Q14620', 'display_name': 'Optics', 'level': 1, 'score': 0.21779972}, {'id': 'https://openalex.org/C24890656', 'wikidata': 'https://www.wikidata.org/wiki/Q82811', 'display_name': 'Acoustics', 'level': 1, 'score': 0.12610948}, {'id': 'https://openalex.org/C159985019', 'wikidata': 'https://www.wikidata.org/wiki/Q181790', 'display_name': 'Composite material', 'level': 1, 'score': 0.08658707}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1063/1.4763463', 'pdf_url': 'https://pubs.aip.org/aip/adv/article-pdf/doi/10.1063/1.4763463/8431602/042117_1_online.pdf', 'source': {'id': 'https://openalex.org/S189917590', 'display_name': 'AIP Advances', 'issn_l': '2158-3226', 'issn': ['2158-3226'], 'is_oa': True, 'is_in_doaj': True, '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': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://doaj.org/article/7ec751c0756841a3a96e6eec89365555', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306401280', 'display_name': 'DOAJ (DOAJ: Directory of Open Access Journals)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1063/1.4763463', 'pdf_url': 'https://pubs.aip.org/aip/adv/article-pdf/doi/10.1063/1.4763463/8431602/042117_1_online.pdf', 'source': {'id': 'https://openalex.org/S189917590', 'display_name': 'AIP Advances', 'issn_l': '2158-3226', 'issn': ['2158-3226'], 'is_oa': True, 'is_in_doaj': True, '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': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [{'funder': 'https://openalex.org/F4320321001', 'funder_display_name': 'National Natural Science Foundation of China', 'award_id': '11174146'}, {'funder': 'https://openalex.org/F4320321001', 'funder_display_name': 'National Natural Science Foundation of China', 'award_id': '11174128'}], 'datasets': [], 'versions': [], 'referenced_works_count': 36, 'referenced_works': ['https://openalex.org/W1964548562', 'https://openalex.org/W1970567167', 'https://openalex.org/W1973660623', 'https://openalex.org/W1982244248', 'https://openalex.org/W1982503306', 'https://openalex.org/W1985279077', 'https://openalex.org/W1985880411', 'https://openalex.org/W1997791130', 'https://openalex.org/W2003794571', 'https://openalex.org/W2009016377', 'https://openalex.org/W2021877067', 'https://openalex.org/W2022991626', 'https://openalex.org/W2023599598', 'https://openalex.org/W2023992458', 'https://openalex.org/W2024448636', 'https://openalex.org/W2025961384', 'https://openalex.org/W2026574379', 'https://openalex.org/W2032741779', 'https://openalex.org/W2033890893', 'https://openalex.org/W2036514533', 'https://openalex.org/W2038655939', 'https://openalex.org/W2040852073', 'https://openalex.org/W2042322793', 'https://openalex.org/W2049177164', 'https://openalex.org/W2049556101', 'https://openalex.org/W2051206671', 'https://openalex.org/W2054407738', 'https://openalex.org/W2060969793', 'https://openalex.org/W2078857625', 'https://openalex.org/W2083337154', 'https://openalex.org/W2087990598', 'https://openalex.org/W2092844070', 'https://openalex.org/W2093721936', 'https://openalex.org/W2140342770', 'https://openalex.org/W2146179560', 'https://openalex.org/W2152923907'], 'related_works': ['https://openalex.org/W279396859', 'https://openalex.org/W2792721407', 'https://openalex.org/W2765670836', 'https://openalex.org/W2405895097', 'https://openalex.org/W2168586217', 'https://openalex.org/W2057759197', 'https://openalex.org/W2026628379', 'https://openalex.org/W2012557245', 'https://openalex.org/W1984860738', 'https://openalex.org/W1965686274'], 'abstract_inverted_index': {'The': [0, 109], 'piezoelectric': [1, 48], 'superlattice': [2, 32], '(PSL)': [3], 'consisting': [4], 'of': [5, 15, 34, 68], 'periodically': [6], 'inverted': [7], 'ferro-': [8], 'electric': [9], 'domains': [10], 'is': [11, 96, 103], 'a': [12, 66, 100, 123], 'special': [13], 'kind': [14], 'artificially': [16], 'microstructured': [17], 'material.': [18], 'Similar': [19], 'to': [20], 'the': [21, 24, 28, 38, 47, 54, 57, 86, 89, 106, 112], 'ionic': [22], 'crystals,': [23], 'strong': [25], 'coupling': [26, 87], 'between': [27, 56, 88, 111], 'electromagnetic': [29], 'wave': [30], 'and': [31, 50, 59, 74, 91], 'vibration': [33], 'PSL': [35], 'may': [36], 'generate': [37], 'phonon': [39], 'polariton.': [40], 'In': [41], 'this': [42], 'paper,': [43], 'by': [44, 78, 105, 122], 'starting': [45], 'with': [46], 'equations': [49, 71], 'classic': [51, 60], 'motion': [52], 'equation,': [53], 'gap': [55], 'artificial': [58], 'lattices': [61], 'has': [62], 'been': [63], 'bridged,': [64], 'where': [65], 'set': [67], 'Huang-Kun': [69], '(HK)-like': [70], 'were': [72], 'established': [73], 'can': [75], 'be': [76], 'shared': [77], 'both': [79], 'systems.': [80], 'Our': [81], 'results': [82], 'also': [83], 'show': [84], 'that': [85, 118], 'photon': [90], 'longitudinal': [92], '“optical”': [93], 'phonon,': [94], 'which': [95], 'not': [97], 'present': [98], 'in': [99], 'real': [101], 'crystal,': [102], 'dominated': [104], 'HK-like': [107], 'equations.': [108], 'connection': [110], 'two': [113], 'seemingly': [114], 'different': [115], 'systems': [116], 'suggests': [117], 'they': [119], 'are': [120], 'governed': [121], 'common': [124], 'physics.': [125]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1978655868', 'counts_by_year': [{'year': 2023, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 2}, {'year': 2013, 'cited_by_count': 1}], 'updated_date': '2024-12-15T07:50:10.027852', 'created_date': '2016-06-24'}