Conductance fluctuations in hydrogenated amorphous germanium
Measurements of conductance fluctuations in undoped hydrogenated amorphous germanium (a-Ge:H) find power spectra that vary with inverse frequency (1/f) that are characterized by non-Gaussian statistics. The non-Gaussian aspect of the 1/f noise is reflected in (1) histograms of the noise power per oc...
Gespeichert in:
| Veröffentlicht in: | Journal of applied physics 2021-09, Vol.130 (10) |
|---|---|
| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | 10 |
| container_start_page | |
| container_title | Journal of applied physics |
| container_volume | 130 |
| creator | Knauber, Brenda J. Eslamisaray, Mohammad Ali Kakalios, J. |
| description | Measurements of conductance fluctuations in undoped hydrogenated amorphous germanium (a-Ge:H) find power spectra that vary with inverse frequency (1/f) that are characterized by non-Gaussian statistics. The non-Gaussian aspect of the 1/f noise is reflected in (1) histograms of the noise power per octave that are described by lognormal distributions, (2) power-law second spectra, and (3) strong correlations of the noise power in frequency-space. In contrast, measurements of current fluctuations in polycrystalline germanium thin films find 1/f noise with Gaussian statistics. These results are discussed in terms of a model of filamentary conduction, where the filament structure and conductance in a-Ge:H are modulated by hydrogen motion. |
| doi_str_mv | 10.1063/5.0056435 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_crossref_primary_10_1063_5_0056435</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2572338871</sourcerecordid><originalsourceid>FETCH-LOGICAL-c287t-d9f5b26cb5cc8ca4088c0c95445ebac544b4ffc106caf6dc2d23d4437e2f8d403</originalsourceid><addsrcrecordid>eNqd0EtLxDAQB_AgCq6rB79BwZNC18mrTcGLLL5gwYueQzpJdrtsm5q0gt_e6i549zRz-DGPPyGXFBYUCn4rFwCyEFwekRkFVeWllHBMZgCM5qoqq1NyltIWgFLFqxm5W4bOjjiYDl3md1M3mqEJXcqaLtt82RjWrjODs5lpQ-w3YUzZ2sXWdM3YnpMTb3bJXRzqnLw_Prwtn_PV69PL8n6VI1PlkNvKy5oVWEtEhUaAUghYSSGkqw1OtRbe43Q_Gl9YZJZxKwQvHfPKCuBzcrWf28fwMbo06G0YYzet1EyWjHOlSjqp673CGFKKzus-Nq2JX5qC_glHS30IZ7I3e5uwGX4f_h_-DPEP6t56_g1zSHNy</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2572338871</pqid></control><display><type>article</type><title>Conductance fluctuations in hydrogenated amorphous germanium</title><source>AIP Journals Complete</source><source>Alma/SFX Local Collection</source><creator>Knauber, Brenda J. ; Eslamisaray, Mohammad Ali ; Kakalios, J.</creator><creatorcontrib>Knauber, Brenda J. ; Eslamisaray, Mohammad Ali ; Kakalios, J.</creatorcontrib><description>Measurements of conductance fluctuations in undoped hydrogenated amorphous germanium (a-Ge:H) find power spectra that vary with inverse frequency (1/f) that are characterized by non-Gaussian statistics. The non-Gaussian aspect of the 1/f noise is reflected in (1) histograms of the noise power per octave that are described by lognormal distributions, (2) power-law second spectra, and (3) strong correlations of the noise power in frequency-space. In contrast, measurements of current fluctuations in polycrystalline germanium thin films find 1/f noise with Gaussian statistics. These results are discussed in terms of a model of filamentary conduction, where the filament structure and conductance in a-Ge:H are modulated by hydrogen motion.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/5.0056435</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Germanium ; Histograms ; Hydrogenation ; Noise ; Power spectra ; Thin films</subject><ispartof>Journal of applied physics, 2021-09, Vol.130 (10)</ispartof><rights>Author(s)</rights><rights>2021 Author(s). Published under an exclusive license by AIP Publishing.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c287t-d9f5b26cb5cc8ca4088c0c95445ebac544b4ffc106caf6dc2d23d4437e2f8d403</cites><orcidid>0000-0001-8704-592X ; 0000-0002-5378-334X ; 0000-0003-4172-4198</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jap/article-lookup/doi/10.1063/5.0056435$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>314,780,784,794,4512,27924,27925,76384</link.rule.ids></links><search><creatorcontrib>Knauber, Brenda J.</creatorcontrib><creatorcontrib>Eslamisaray, Mohammad Ali</creatorcontrib><creatorcontrib>Kakalios, J.</creatorcontrib><title>Conductance fluctuations in hydrogenated amorphous germanium</title><title>Journal of applied physics</title><description>Measurements of conductance fluctuations in undoped hydrogenated amorphous germanium (a-Ge:H) find power spectra that vary with inverse frequency (1/f) that are characterized by non-Gaussian statistics. The non-Gaussian aspect of the 1/f noise is reflected in (1) histograms of the noise power per octave that are described by lognormal distributions, (2) power-law second spectra, and (3) strong correlations of the noise power in frequency-space. In contrast, measurements of current fluctuations in polycrystalline germanium thin films find 1/f noise with Gaussian statistics. These results are discussed in terms of a model of filamentary conduction, where the filament structure and conductance in a-Ge:H are modulated by hydrogen motion.</description><subject>Applied physics</subject><subject>Germanium</subject><subject>Histograms</subject><subject>Hydrogenation</subject><subject>Noise</subject><subject>Power spectra</subject><subject>Thin films</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqd0EtLxDAQB_AgCq6rB79BwZNC18mrTcGLLL5gwYueQzpJdrtsm5q0gt_e6i549zRz-DGPPyGXFBYUCn4rFwCyEFwekRkFVeWllHBMZgCM5qoqq1NyltIWgFLFqxm5W4bOjjiYDl3md1M3mqEJXcqaLtt82RjWrjODs5lpQ-w3YUzZ2sXWdM3YnpMTb3bJXRzqnLw_Prwtn_PV69PL8n6VI1PlkNvKy5oVWEtEhUaAUghYSSGkqw1OtRbe43Q_Gl9YZJZxKwQvHfPKCuBzcrWf28fwMbo06G0YYzet1EyWjHOlSjqp673CGFKKzus-Nq2JX5qC_glHS30IZ7I3e5uwGX4f_h_-DPEP6t56_g1zSHNy</recordid><startdate>20210914</startdate><enddate>20210914</enddate><creator>Knauber, Brenda J.</creator><creator>Eslamisaray, Mohammad Ali</creator><creator>Kakalios, J.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-8704-592X</orcidid><orcidid>https://orcid.org/0000-0002-5378-334X</orcidid><orcidid>https://orcid.org/0000-0003-4172-4198</orcidid></search><sort><creationdate>20210914</creationdate><title>Conductance fluctuations in hydrogenated amorphous germanium</title><author>Knauber, Brenda J. ; Eslamisaray, Mohammad Ali ; Kakalios, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c287t-d9f5b26cb5cc8ca4088c0c95445ebac544b4ffc106caf6dc2d23d4437e2f8d403</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Applied physics</topic><topic>Germanium</topic><topic>Histograms</topic><topic>Hydrogenation</topic><topic>Noise</topic><topic>Power spectra</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Knauber, Brenda J.</creatorcontrib><creatorcontrib>Eslamisaray, Mohammad Ali</creatorcontrib><creatorcontrib>Kakalios, J.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Knauber, Brenda J.</au><au>Eslamisaray, Mohammad Ali</au><au>Kakalios, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Conductance fluctuations in hydrogenated amorphous germanium</atitle><jtitle>Journal of applied physics</jtitle><date>2021-09-14</date><risdate>2021</risdate><volume>130</volume><issue>10</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>Measurements of conductance fluctuations in undoped hydrogenated amorphous germanium (a-Ge:H) find power spectra that vary with inverse frequency (1/f) that are characterized by non-Gaussian statistics. The non-Gaussian aspect of the 1/f noise is reflected in (1) histograms of the noise power per octave that are described by lognormal distributions, (2) power-law second spectra, and (3) strong correlations of the noise power in frequency-space. In contrast, measurements of current fluctuations in polycrystalline germanium thin films find 1/f noise with Gaussian statistics. These results are discussed in terms of a model of filamentary conduction, where the filament structure and conductance in a-Ge:H are modulated by hydrogen motion.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0056435</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0001-8704-592X</orcidid><orcidid>https://orcid.org/0000-0002-5378-334X</orcidid><orcidid>https://orcid.org/0000-0003-4172-4198</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-8979 |
| ispartof | Journal of applied physics, 2021-09, Vol.130 (10) |
| issn | 0021-8979 1089-7550 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_5_0056435 |
| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Germanium Histograms Hydrogenation Noise Power spectra Thin films |
| title | Conductance fluctuations in hydrogenated amorphous germanium |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-25T03%3A38%3A40IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Conductance%20fluctuations%20in%20hydrogenated%20amorphous%20germanium&rft.jtitle=Journal%20of%20applied%20physics&rft.au=Knauber,%20Brenda%20J.&rft.date=2021-09-14&rft.volume=130&rft.issue=10&rft.issn=0021-8979&rft.eissn=1089-7550&rft.coden=JAPIAU&rft_id=info:doi/10.1063/5.0056435&rft_dat=%3Cproquest_cross%3E2572338871%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2572338871&rft_id=info:pmid/&rfr_iscdi=true |