LC -circuit calorimetry
We present a new type of calorimeter in which we couple an unknown heat capacity with the aid of Peltier elements to an electrical circuit. The use of an electrical inductance and an amplifier in the circuit allows us to achieve autonomous oscillations, and the measurement of the corresponding reson...
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| Veröffentlicht in: | Review of scientific instruments 2011-09, Vol.82 (9), p.094901-094901-5 |
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| container_end_page | 094901-5 |
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| container_issue | 9 |
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| container_title | Review of scientific instruments |
| container_volume | 82 |
| creator | Bossen, O. Schilling, A. |
| description | We present a new type of calorimeter in which we couple an unknown heat capacity with the aid of Peltier elements to an electrical circuit. The use of an electrical inductance and an amplifier in the circuit allows us to achieve autonomous oscillations, and the measurement of the corresponding resonance frequency makes it possible to accurately measure the heat capacity with an intrinsic statistical uncertainty that decreases as
\documentclass[12pt]{minimal}\begin{document}$ \sim t_\mathrm{m}^{ -3/2}$\end{document}
∼
t
m
−
3
/
2
with measuring time
t
m
, as opposed to a corresponding uncertainty
\documentclass[12pt]{minimal}\begin{document}$\sim t_\mathrm{m}^{-1/2}$\end{document}
∼
t
m
−
1
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2
in the conventional alternating current method to measure heat capacities. We have built a demonstration experiment to show the feasibility of the new technique, and we have tested it on a gadolinium sample at its transition to the ferromagnetic state. |
| doi_str_mv | 10.1063/1.3632116 |
| format | Article |
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\documentclass[12pt]{minimal}\begin{document}$ \sim t_\mathrm{m}^{ -3/2}$\end{document}
∼
t
m
−
3
/
2
with measuring time
t
m
, as opposed to a corresponding uncertainty
\documentclass[12pt]{minimal}\begin{document}$\sim t_\mathrm{m}^{-1/2}$\end{document}
∼
t
m
−
1
/
2
in the conventional alternating current method to measure heat capacities. We have built a demonstration experiment to show the feasibility of the new technique, and we have tested it on a gadolinium sample at its transition to the ferromagnetic state.</description><identifier>ISSN: 0034-6748</identifier><identifier>EISSN: 1089-7623</identifier><identifier>DOI: 10.1063/1.3632116</identifier><identifier>PMID: 21974610</identifier><identifier>CODEN: RSINAK</identifier><language>eng</language><publisher>United States: American Institute of Physics</publisher><subject>AMPLIFIERS ; CALORIMETERS ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; ELECTRONIC CIRCUITS ; FREQUENCY MEASUREMENT ; GADOLINIUM ; INDUCTANCE ; INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY ; OSCILLATIONS ; RESONANCE ; SPECIFIC HEAT ; TEMPERATURE DEPENDENCE</subject><ispartof>Review of scientific instruments, 2011-09, Vol.82 (9), p.094901-094901-5</ispartof><rights>2011 American Institute of Physics</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c466t-7d171cb3cbda4cb4b56329426ab9b309bb12602a20aa5810a860b6c2748f52913</citedby><cites>FETCH-LOGICAL-c466t-7d171cb3cbda4cb4b56329426ab9b309bb12602a20aa5810a860b6c2748f52913</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/rsi/article-lookup/doi/10.1063/1.3632116$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>230,314,780,784,794,885,1559,4512,27924,27925,76384,76390</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21974610$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/22063721$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Bossen, O.</creatorcontrib><creatorcontrib>Schilling, A.</creatorcontrib><title>LC -circuit calorimetry</title><title>Review of scientific instruments</title><addtitle>Rev Sci Instrum</addtitle><description>We present a new type of calorimeter in which we couple an unknown heat capacity with the aid of Peltier elements to an electrical circuit. The use of an electrical inductance and an amplifier in the circuit allows us to achieve autonomous oscillations, and the measurement of the corresponding resonance frequency makes it possible to accurately measure the heat capacity with an intrinsic statistical uncertainty that decreases as
\documentclass[12pt]{minimal}\begin{document}$ \sim t_\mathrm{m}^{ -3/2}$\end{document}
∼
t
m
−
3
/
2
with measuring time
t
m
, as opposed to a corresponding uncertainty
\documentclass[12pt]{minimal}\begin{document}$\sim t_\mathrm{m}^{-1/2}$\end{document}
∼
t
m
−
1
/
2
in the conventional alternating current method to measure heat capacities. We have built a demonstration experiment to show the feasibility of the new technique, and we have tested it on a gadolinium sample at its transition to the ferromagnetic state.</description><subject>AMPLIFIERS</subject><subject>CALORIMETERS</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>ELECTRONIC CIRCUITS</subject><subject>FREQUENCY MEASUREMENT</subject><subject>GADOLINIUM</subject><subject>INDUCTANCE</subject><subject>INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY</subject><subject>OSCILLATIONS</subject><subject>RESONANCE</subject><subject>SPECIFIC HEAT</subject><subject>TEMPERATURE DEPENDENCE</subject><issn>0034-6748</issn><issn>1089-7623</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp1kL9LxDAYhoMo3nk6OLmJ4CAOPfMladqAixR_QcFF55DkchjpNWeSDvffm6PVzW_5loeX930QOge8BMzpHSwppwSAH6A54FoUFSf0EM0xpqzgFatn6CTGL5yvBDhGMwKiYhzwHF20zVVhXDCDS1dGdT64jU1hd4qO1qqL9mz6C_Tx9PjevBTt2_Nr89AWhnGeimoFFRhNjV4pZjTTZS4iGOFKC02x0BoIx0QRrFRZA1Y1x5obkjutSyKALtD1mOtjcjIal6z5NL7vrUmSkLyuInvqZqS2wX8PNia5cdHYrlO99UOUteA14WW2sEC3I2mCjzHYtdzmRSrsJGC5lyVBTrIyezmlDnpjV3_kr50M3I_AvpdKzvf_p8m2kZNHOXqkPw7gdD4</recordid><startdate>20110901</startdate><enddate>20110901</enddate><creator>Bossen, O.</creator><creator>Schilling, A.</creator><general>American Institute of Physics</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>OTOTI</scope></search><sort><creationdate>20110901</creationdate><title>LC -circuit calorimetry</title><author>Bossen, O. ; Schilling, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c466t-7d171cb3cbda4cb4b56329426ab9b309bb12602a20aa5810a860b6c2748f52913</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>AMPLIFIERS</topic><topic>CALORIMETERS</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>ELECTRONIC CIRCUITS</topic><topic>FREQUENCY MEASUREMENT</topic><topic>GADOLINIUM</topic><topic>INDUCTANCE</topic><topic>INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY</topic><topic>OSCILLATIONS</topic><topic>RESONANCE</topic><topic>SPECIFIC HEAT</topic><topic>TEMPERATURE DEPENDENCE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bossen, O.</creatorcontrib><creatorcontrib>Schilling, A.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Review of scientific instruments</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bossen, O.</au><au>Schilling, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>LC -circuit calorimetry</atitle><jtitle>Review of scientific instruments</jtitle><addtitle>Rev Sci Instrum</addtitle><date>2011-09-01</date><risdate>2011</risdate><volume>82</volume><issue>9</issue><spage>094901</spage><epage>094901-5</epage><pages>094901-094901-5</pages><issn>0034-6748</issn><eissn>1089-7623</eissn><coden>RSINAK</coden><abstract>We present a new type of calorimeter in which we couple an unknown heat capacity with the aid of Peltier elements to an electrical circuit. The use of an electrical inductance and an amplifier in the circuit allows us to achieve autonomous oscillations, and the measurement of the corresponding resonance frequency makes it possible to accurately measure the heat capacity with an intrinsic statistical uncertainty that decreases as
\documentclass[12pt]{minimal}\begin{document}$ \sim t_\mathrm{m}^{ -3/2}$\end{document}
∼
t
m
−
3
/
2
with measuring time
t
m
, as opposed to a corresponding uncertainty
\documentclass[12pt]{minimal}\begin{document}$\sim t_\mathrm{m}^{-1/2}$\end{document}
∼
t
m
−
1
/
2
in the conventional alternating current method to measure heat capacities. We have built a demonstration experiment to show the feasibility of the new technique, and we have tested it on a gadolinium sample at its transition to the ferromagnetic state.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><pmid>21974610</pmid><doi>10.1063/1.3632116</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0034-6748 |
| ispartof | Review of scientific instruments, 2011-09, Vol.82 (9), p.094901-094901-5 |
| issn | 0034-6748 1089-7623 |
| language | eng |
| recordid | cdi_osti_scitechconnect_22063721 |
| source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
| subjects | AMPLIFIERS CALORIMETERS CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ELECTRONIC CIRCUITS FREQUENCY MEASUREMENT GADOLINIUM INDUCTANCE INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY OSCILLATIONS RESONANCE SPECIFIC HEAT TEMPERATURE DEPENDENCE |
| title | LC -circuit calorimetry |
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