C. Agosta is a low temperature experimental physicist who was originally trained to study the properties of fluids at very low temperatures. His present research interests are lower dimensional superconductors in very high magnetic fields, dc microgrids, and heat transfer in gas boundary layers.<\/p>\n
Given his deep interest in complicated instrumentation, he and his students have developed a pulsed magnetic field laboratory where experiments are performed in one of the highest magnetic fields (51 tesla!) available at any university in the United States. His group studies anisotropic conducting materials at the extremes of parameter space, including temperature, pressure, and magnetic field to understand the relation of their chemical properties to correlated electron properties such as superconductivity, spin density waves, charge density waves, and the quantum Hall effect. Most of his measurements are made with a rf penetration depth technique developed in his laboratory and particularly well suited to the extreme conditions created in his laboratory. At his laboratory the magnetic field can be increased much above the level necessary to quench the superconducting or other correlated electron state to observe quantum oscillations and probe the Fermi surface. In this way, he can explore the fundamental properties of the charge carriers and test current theories of correlated electrons.<\/p>\n
Agosta is also CEO and co-founder of Machflow Energy, Inc., a clean-tech company that is developing highly innovative heat transfer technologies revolutionizing air conditioning and thermal management. Machflow has created a disruptive Bernoulli Principle-based heat pump that works in a closed cycle using noble gasses that have no adverse effects on the environment, such as global warming, and avoids high pressures and the weight of the associated compressors. Machflow was funded by Kleiner Perkins, the DOE, and prominent angel investors.<\/p>\n
Professor Agosta and his cofounder have been granted six patents for their work at Machflow Energy.<\/p>\n
Professor Agosta teaches many of the core courses in the Physics Department, but specializes in two signature courses, Electronics and The Technology of Renewable Energy. His renewable energy course is focusing on the technical and social issues of converting part of the campus to a dc microgrid, and leveraging the cogeneration plant on campus and future renewable energy sources. His most recent project is helping his students install a solar powered eight port USB charging station in the campus cafe.<\/p>\n
Prof. Agosta\u2019s superconductivity research is funded by the NSF.<\/p>\n","protected":false},"author":0,"featured_media":1817,"parent":0,"template":"","meta":{"cu_faculty_f180_userid":"C05831356","cu_faculty_first_name":"Charles","cu_faculty_last_name":"Agosta","cu_faculty_employment_status":"Full Time","cu_faculty_rank":"Professor","cu_faculty_position":"Professor","cu_faculty_phone":"","cu_faculty_email":"cagosta@clarku.edu","cu_faculty_location":"","cu_faculty_about":"
C. Agosta is a low temperature experimental physicist who was originally trained to study the properties of fluids at very low temperatures. His present research interests are lower dimensional superconductors in very high magnetic fields, dc microgrids, and heat transfer in gas boundary layers.<\/p>\n
Given his deep interest in complicated instrumentation, he and his students have developed a pulsed magnetic field laboratory where experiments are performed in one of the highest magnetic fields (51 tesla!) available at any university in the United States. His group studies anisotropic conducting materials at the extremes of parameter space, including temperature, pressure, and magnetic field to understand the relation of their chemical properties to correlated electron properties such as superconductivity, spin density waves, charge density waves, and the quantum Hall effect. Most of his measurements are made with a rf penetration depth technique developed in his laboratory and particularly well suited to the extreme conditions created in his laboratory. At his laboratory the magnetic field can be increased much above the level necessary to quench the superconducting or other correlated electron state to observe quantum oscillations and probe the Fermi surface. In this way, he can explore the fundamental properties of the charge carriers and test current theories of correlated electrons.<\/p>\n
Agosta is also CEO and co-founder of Machflow Energy, Inc., a clean-tech company that is developing highly innovative heat transfer technologies revolutionizing air conditioning and thermal management. Machflow has created a disruptive Bernoulli Principle-based heat pump that works in a closed cycle using noble gasses that have no adverse effects on the environment, such as global warming, and avoids high pressures and the weight of the associated compressors. Machflow was funded by Kleiner Perkins, the DOE, and prominent angel investors.<\/p>\n
Professor Agosta and his cofounder have been granted six patents for their work at Machflow Energy.<\/p>\n
Professor Agosta teaches many of the core courses in the Physics Department, but specializes in two signature courses, Electronics and The Technology of Renewable Energy. His renewable energy course is focusing on the technical and social issues of converting part of the campus to a dc microgrid, and leveraging the cogeneration plant on campus and future renewable energy sources. His most recent project is helping his students install a solar powered eight port USB charging station in the campus cafe.<\/p>\n
Prof. Agosta\u2019s superconductivity research is funded by the NSF.<\/p>","cu_faculty_degrees":"Ph.D. in ,<\/span> Duke University, 1986\nB.A. in ,<\/span> Wesleyan University, 1980","cu_faculty_cv":"https:\/\/faculty180.interfolio.com\/public\/download.php?key=SDRwNCtxSUpsamxBQ213WS9ucHFuNnMwT0hzQU11b2RPQkJ2cWc3amxyUmNRdVVXTkF4MU10WTA5elBKblM4L2JaV1VKWGhib3hsSHE4NzU5VGlIRVc0cHU0QnByVDJWZFJ3LzhwbWFMNWg4c1UzNWVONWJhZz09","cu_faculty_links":"{\"Professional Website URL\":\"http:\\\/\\\/agostalab.clarku.edu\"}","cu_faculty_scholarly_interests":"","cu_faculty_scholarly_works":"[{\"activityid\":13830,\"fields\":{\"Type\":\"Presentations\",\"Title of Presentation\":\"<p>Development of a Compact Tunnel Diode Oscillator Circuit for High Magnetic Field Applications<\\\/p>\",\"Conference \\\/ Meeting Name\":\"APS Global Physics Summit 2025\",\"Location of Conference \\\/ Meeting\":\"Anaheim, CA\",\"Month \\\/ Season\":\"March\",\"Year\":2025,\"Sponsoring Organization\":\"American Physical Society\",\"CoAuthor\":null,\"URL\":\"\",\"Description\":\"\",\"Include description in output citation\":0,\"Origin\":\"Manual\"},\"facultyid\":\"C05831356\",\"status\":[{\"id\":13830,\"status\":\"Completed\\\/Published\",\"term\":\"Spring\",\"year\":2025,\"termid\":\"2024\\\/03\",\"listingorder\":6,\"completionorder\":6}],\"userid\":\"C05831356\",\"attachments\":[],\"coauthors_list\":[\"Charles C. 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This development proposal will create pulsed magnets in the range of 30 - 50 tesla that will greatly increase the throughput of high magnetic field research laboratories, and create magnets that can be used at light sources such as X-ray laboratories. Low temperatures are essential to lower the energy of a system so that the interactions between electrons dominate the physics of materials. Electrons are intrinsically magnetic, so magnetic fields are a natural probe of electron behavior. Given the energy scales of temperature and how an electron interacts with a magnetic field, 10 kelvin is about equal to 15 tesla. Therefore, to study materials, many quantum phenomena require magnetic fields on the order of tens of tesla. We have preliminary designs for pulsed field magnets that have a higher repetition rate than most of the magnets used today. Our goal is to increase the repetition rate of our magnet pulses by a factor of four, greatly increasing the number of experiments we can do in our laboratory. These designs will be applicable to many other pulsed field laboratories, and in particular we plan to work on a design for the Argonne National laboratory X-ray beam line. Our goal is to create a magnet that can be pulsed to 40 tesla once a minute, or 50 tesla every five minutes. Based on these designs that we will test and use in our laboratory, we will design a magnet that could be used in the beam line at Argonne National Laboratory. Additionally, this research will train scientists at the level of undergraduate students, graduate students, and postdocs. These students and postdocs will be directly involved in experiments at our university and national laboratories, preparing them to be the next generation of senior research scientists at leading US research institutions.<span>\\u00a0<\\\/span><\\\/p>\",\"Number of Periods\":3,\"URL\":\"\"},\"facultyid\":\"C05831356\",\"funding\":{\"8848\":{\"id\":8848,\"grantid\":5250,\"fundedamount\":\"282154\",\"yearfunded\":1,\"fundedtype\":\"Total\",\"currencytype\":\"USD\",\"startdate\":\"2024-09-01\",\"enddate\":\"2025-09-01\"},\"8849\":{\"id\":8849,\"grantid\":5250,\"fundedamount\":\"254740\",\"yearfunded\":2,\"fundedtype\":\"Total\",\"currencytype\":\"USD\",\"startdate\":\"2025-09-01\",\"enddate\":\"2026-09-01\"},\"8850\":{\"id\":8850,\"grantid\":5250,\"fundedamount\":\"256673\",\"yearfunded\":3,\"fundedtype\":\"Total\",\"currencytype\":\"USD\",\"startdate\":\"2026-09-01\",\"enddate\":\"2027-09-01\"},\"8851\":{\"id\":8851,\"grantid\":5250,\"fundedamount\":\"193968\",\"yearfunded\":1,\"fundedtype\":\"Direct\",\"currencytype\":\"USD\",\"startdate\":\"2024-09-01\",\"enddate\":\"2025-09-01\"},\"8852\":{\"id\":8852,\"grantid\":5250,\"fundedamount\":\"169488\",\"yearfunded\":2,\"fundedtype\":\"Direct\",\"currencytype\":\"USD\",\"startdate\":\"2025-09-01\",\"enddate\":\"2026-09-01\"},\"8853\":{\"id\":8853,\"grantid\":5250,\"fundedamount\":\"170774\",\"yearfunded\":3,\"fundedtype\":\"Direct\",\"currencytype\":\"USD\",\"startdate\":\"2026-09-01\",\"enddate\":\"2027-09-01\"}},\"coauthors\":{\"8191\":{\"authorid\":8191,\"grantid\":5250,\"firstname\":\"Charles\",\"middleinitial\":\"C.\",\"lastname\":\"Agosta\",\"authortype\":\"PI\",\"percenteffort\":null,\"sameschoolflag\":1,\"facultyid\":\"C05831356\",\"primaryunitid\":21}},\"status\":[{\"grantid\":5250,\"status\":\"Funded - In Progress\",\"statuslabel\":\"Funded - In Progress\",\"term\":\"Fall\",\"year\":2024,\"termid\":\"2024\\\/01\",\"listingorder\":3,\"completionorder\":5}],\"userid\":\"C05831356\",\"attachments\":[],\"sort_date\":\"2027-08-31\"},{\"activityid\":5251,\"fields\":{\"Title\":\"EAGER: CI PAOS: Creating a Database for Crystalline Organic Metals\",\"Sponsor\":\"NSF\",\"Grant ID \\\/ Contract ID\":\"\",\"Award Date\":null,\"Start Date\":\"2024-06-01\",\"End Date\":\"2026-05-31\",\"Period Length\":1,\"Period Unit\":\"Year\",\"Indirect Funding\":1,\"Indirect Cost Rate\":null,\"Total Funding\":\"0\",\"Total Direct Funding\":\"0\",\"Currency Type\":\"USD\",\"Description\":\"\",\"Abstract\":\"<p>Material databases can serve as both useful sites for information retrieval, or data inputs for<\\\/p>\\n<p>machine learning (ML) research. Databases paired with data-mining tools enabled by ML are a<\\\/p>\\n<p>rich resource for the investigation of quantum materials and the creation of new functional<\\\/p>\\n<p>materials. This proposal advocates for the development of a materials database focused around<\\\/p>\\n<p>strongly correlated crystalline organic materials based on charge transfer salts, which are<\\\/p>\\n<p>currently underserved by other database initiatives. Our goal is to make this database easily<\\\/p>\\n<p>accessible to scientists looking for particular properties or for comparing materials in the<\\\/p>\\n<p>database, while also organizing the database to make it a platform for ML experiments. To<\\\/p>\\n<p>enhance our understanding and progress towards using ML algorithms we have engaged three<\\\/p>\\n<p>industry experts in ML to help us with this project. We will also use ML to help populate the<\\\/p>\\n<p>database from published papers. Although our main interest is superconductivity, this class of<\\\/p>\\n<p>materials exhibits a wide variety of quantum ground states, whose competition results in rich<\\\/p>\\n<p>phase diagrams. In contrast to other databases we plan to include a wider variety of experimental<\\\/p>\\n<p>data, and use higher level theoretical methods to populate the database with direct measures of<\\\/p>\\n<p>electronic correlations. 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The PI's research group has advanced the understanding of quantum systems by making systematic measurements of quasi-two dimensional organic superconductors that suggest an inhomogeneous superconducting state can be stabilized if a magnetic field is applied precisely parallel to the conducting layers. This exotic superconducting state, a tunable mixture of a spatially modulated superconducting order parameter and a magnetic lattice created by unpaired electrons, was predicted over 50 years ago, and is called the FFLO state. The FFLO state is highly tunable via temperature, the direction and strength of the magnetic field, and pressure. The PI will continue core measurements of rf penetration depth using a tunnel diode oscillator and specific heat of the organic and pnictide superconductors. The PI also proposes to measure the symmetry and wavelength of the charge modulation in the FFLO state and charge density waves using x-rays. To facilitate these experiments the PI is working with the Advanced Photon Source at Argonne National Laboratory (APS) and the National High Magnetic Field Laboratory in Tallahassee and LANL to upgrade the access to high magnetic fields at the APS. While the upgrade is taking place, low magnetic field x-ray measurements of ground state charge density waves will be made in organic and pnictide conductors to further define the electronic ground states that border or coexist with superconductivity in what is now accepted as a universal phase diagram of unconventional superconductors.<\\\/span><\\\/p>\",\"Number of Periods\":3,\"URL\":\"\"},\"facultyid\":\"C05831356\",\"funding\":{\"7562\":{\"id\":7562,\"grantid\":427,\"fundedamount\":\"379673\",\"yearfunded\":1,\"fundedtype\":\"Total\",\"currencytype\":\"USD\",\"startdate\":\"2019-08-01\",\"enddate\":\"2020-08-01\"},\"7563\":{\"id\":7563,\"grantid\":427,\"fundedamount\":\"143589\",\"yearfunded\":2,\"fundedtype\":\"Total\",\"currencytype\":\"USD\",\"startdate\":\"2020-08-01\",\"enddate\":\"2021-08-01\"},\"7564\":{\"id\":7564,\"grantid\":427,\"fundedamount\":\"146972\",\"yearfunded\":3,\"fundedtype\":\"Total\",\"currencytype\":\"USD\",\"startdate\":\"2021-08-01\",\"enddate\":\"2022-08-01\"},\"7565\":{\"id\":7565,\"grantid\":427,\"fundedamount\":\"339273\",\"yearfunded\":1,\"fundedtype\":\"Direct\",\"currencytype\":\"USD\",\"startdate\":\"2019-08-01\",\"enddate\":\"2020-08-01\"},\"7566\":{\"id\":7566,\"grantid\":427,\"fundedamount\":\"95535\",\"yearfunded\":2,\"fundedtype\":\"Direct\",\"currencytype\":\"USD\",\"startdate\":\"2020-08-01\",\"enddate\":\"2021-08-01\"},\"7567\":{\"id\":7567,\"grantid\":427,\"fundedamount\":\"97786\",\"yearfunded\":3,\"fundedtype\":\"Direct\",\"currencytype\":\"USD\",\"startdate\":\"2021-08-01\",\"enddate\":\"2022-08-01\"}},\"coauthors\":{\"7031\":{\"authorid\":7031,\"grantid\":427,\"firstname\":\"Charles\",\"middleinitial\":\"C.\",\"lastname\":\"Agosta\",\"authortype\":\"PI\",\"percenteffort\":\"10\",\"sameschoolflag\":1,\"facultyid\":\"C05831356\",\"primaryunitid\":21}},\"status\":[{\"grantid\":427,\"status\":\"Funded - In Progress\",\"statuslabel\":\"Funded - In Progress\",\"term\":\"Fall\",\"year\":2019,\"termid\":\"2019\\\/01\",\"listingorder\":3,\"completionorder\":5}],\"userid\":\"C05831356\",\"attachments\":[],\"sort_date\":\"2022-07-31\"},{\"activityid\":428,\"fields\":{\"Title\":\"Proposal to study vehicle to grid power sharing at Clark University\",\"Sponsor\":\"National Grid\",\"Grant ID \\\/ Contract ID\":\"\",\"Award Date\":\"2020-05-15\",\"Start Date\":\"2020-06-01\",\"End Date\":\"2021-07-31\",\"Period Length\":1,\"Period Unit\":\"Year\",\"Indirect Funding\":0,\"Indirect Cost Rate\":null,\"Total Funding\":\"10000\",\"Total Direct Funding\":null,\"Currency Type\":\"USD\",\"Description\":\"\",\"Abstract\":\"<p><span>This proposal focuses on the application of bi-directional solar electric vehicle (EV) charging and the feasibility of its implementation with cost-benefit analysis of its implementation. <\\\/span><span>Renewable energy accounts for 13.5% of the world’s total energy supply, and 22% of the world’s electricity. The expansion of clean energy doesn’t only allow us to replace carbon-intensive technology, it also generates hundreds of billions of dollars in economic activity. However, renewable energy sources produce variable amounts of energy depending on the duration of day and time. For the integration of fluctuating renewables, <\\\/span><span>large scale storage is needed to provide grid stability. For a sustainable and reliable energy system, energy balancing over the second, hour, and week time periods is needed to match supply and demand. Bi-directional EV charging uses vehicle to grid (V2G) technology which allows vehicles to <\\\/span><span>communicate with the <\\\/span><span><a href="https:\\\/\\\/en.wikipedia.org\\\/wiki\\\/Power_grid" title="Power grid">power grid<\\\/a><\\\/span><span> to sell <\\\/span><span><a href="https:\\\/\\\/en.wikipedia.org\\\/wiki\\\/Demand_response" title="Demand response">demand response<\\\/a><\\\/span><span> services by either returning electricity to the grid or by throttling their charging rate.<\\\/span><span><\\\/span><span><\\\/span><\\\/p>\",\"Number of Periods\":1,\"URL\":\"\"},\"facultyid\":\"C05831356\",\"funding\":{\"948\":{\"id\":948,\"grantid\":428,\"fundedamount\":\"10000\",\"yearfunded\":1,\"fundedtype\":\"Total\",\"currencytype\":\"USD\",\"startdate\":\"2020-06-01\",\"enddate\":\"2021-06-01\"}},\"coauthors\":{\"671\":{\"authorid\":671,\"grantid\":428,\"firstname\":\"Charles\",\"middleinitial\":\"C.\",\"lastname\":\"Agosta\",\"authortype\":\"PI\",\"percenteffort\":null,\"sameschoolflag\":1,\"facultyid\":\"C05831356\",\"primaryunitid\":21}},\"status\":[{\"grantid\":428,\"status\":\"Funded - In Progress\",\"statuslabel\":\"Funded - In Progress\",\"term\":\"Spring\",\"year\":2020,\"termid\":\"2019\\\/03\",\"listingorder\":3,\"completionorder\":5}],\"userid\":\"C05831356\",\"attachments\":[],\"sort_date\":\"2021-07-31\"}]","cu_faculty_title":"Professor, Physics","cu_faculty_department":"Physics","cu_faculty_affiliated_departments":"Physics","footnotes":""},"cu_faculty_group":[],"cu_faculty_department":[14],"cu_faculty_position":[],"class_list":["post-44","cu_faculty","type-cu_faculty","status-publish","has-post-thumbnail","hentry","cu_faculty_department-physics"],"yoast_head":"\n