{"id":1372,"date":"2023-09-28T18:53:46","date_gmt":"2023-09-28T16:53:46","guid":{"rendered":"https:\/\/www.ub.edu\/functionalmaterials\/?page_id=1372"},"modified":"2023-10-16T18:54:23","modified_gmt":"2023-10-16T16:54:23","slug":"multicalorics-mendive","status":"publish","type":"page","link":"https:\/\/www.ub.edu\/functionalmaterials\/en\/multicalorics-mendive\/","title":{"rendered":"MULTICALORICS – 101025767"},"content":{"rendered":"

[et_pb_section fb_built=”1″ fullwidth=”on” admin_label=”Section” _builder_version=”4.20.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_fullwidth_header title=”Multicaloric refrigeration enhanced by multisite interactions” subhead=”Bridging theory and experiment” _builder_version=”4.21.0″ _module_preset=”default” title_font=”|700|||||||” title_font_size=”60px” subhead_font=”|300|||||||” subhead_font_size=”60px” subhead_line_height=”1.1em” use_background_color_gradient=”on” background_color_gradient_type=”circular” background_color_gradient_direction_radial=”top left” background_color_gradient_stops=”rgba(11,84,105,0.73) 0%|rgba(51,18,35,0.69) 32%|rgba(163,140,98,0.69) 56%|rgba(5,154,178,0.66) 87%” background_color_gradient_overlays_image=”on” background_image=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/04\/PID2020-ACMUMA-imatge3.webp” min_height=”50vh” custom_padding=”15vh||15vh||false|false” custom_css_header_container=”||” custom_css_title=”max-width:40%;” custom_css_subtitle=”max-width:70%;” global_colors_info=”{}” custom_css_header_container_last_edited=”on|desktop” custom_css_title_last_edited=”on|phone” custom_css_title_tablet=”max-width:80%;” custom_css_title_phone=”max-width:100%;” custom_css_header_container_tablet=”||” custom_css_header_container_phone=”||”][\/et_pb_fullwidth_header][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”4.16″ global_colors_info=”{}”][et_pb_row admin_label=”row” _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text admin_label=”Text” module_class=”destacat” _builder_version=”4.21.0″ text_font=”|300|||||||” background_size=”initial” background_position=”top_left” background_repeat=”repeat” text_orientation=”center” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

Improving the efficiency and reducing the contaminant footprint of current cooling mechanisms is an urgent need to adapt to climate change and respond to high energy demands of the developed world.<\/strong><\/p>\n

A solution to this undertaking is the use of magnetic materials that present large changes in temperature and entropy generated under the application of external stimuli. This effect, called caloric effect<\/em>, is the basis of an innovative field of research that aspires to create new efficient and environmentally friendly solid state refrigerant technologies.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.20.0″ _module_preset=”default” use_background_color_gradient=”on” background_color_gradient_direction=”-90deg” background_color_gradient_stops=”rgba(188,134,27,0.19) 0%|rgba(64,127,137,0.24) 97%” global_colors_info=”{}”][et_pb_row _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text module_class=”lletra_gran” _builder_version=”4.21.0″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

In recent decades, cooling based on magnetic materials has become an active and promising field of research. However, such a technology is still not commercially attractive, as it requires the use of expensive permanent magnets and many of the magnetic materials considered suffer from mechanical fatigue when subjected to cooling cycles.<\/p>\n

This project focuses on a new pathway to drastically reduce costs and improve the useful life of the refrigerant: The use of magnetic materials that simultaneously show caloric effects generated by both magnetic fields and mechanical stresses, that is, multicaloric effects.<\/strong> The goal is to obtain the optimal combination of magnetic and mechanical stimuli to create maximum cooling.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.20.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text module_class=”titular” _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”]The objective of MULTICALORICS project is the theoretical and experimental research of different magnetic cooling materials using the application of both magnetic fields and mechanical stresses
\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.21.0″ _module_preset=”default” use_background_color_gradient=”on” background_color_gradient_direction=”-90deg” background_color_gradient_stops=”rgba(188,134,27,0.44) 0%|rgba(64,127,137,0.41) 99%” background_color_gradient_overlays_image=”on” background_image=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/04\/elastocool-img-3.webp” background_position=”top_center” min_height=”45vh” global_colors_info=”{}”][et_pb_row _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.20.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/09\/DLM.png-1.png” alt=”sdsadgg” title_text=”DLM.png-1″ _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.21.0″ _module_preset=”default” custom_margin=”-24px||||false|false” global_colors_info=”{}”]Concept of the disordered local moment (DLM) theory [1]. Magnetically constrained DFT calculations at different atom-scale magnetic orientations are used to describe thermal excitations. The magnetic system is fully ordered at absolute zero temperature (a), while it becomes disordered as the temperature raises (b,c).
\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text module_class=”lletra_gran” _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

Density functional theory (DFT) is currently one of the main tools for modeling materials from first principles. However, the standard version of DFT usually does not include temperature effects and thus encounters difficulties in describing the thermodynamics of (multi-)caloric effects. In this project we use a disordered local moment (DLM) theory, one of the few existing theoretical frameworks that expands DFT to model magnetic materials at finite temperature from first principles [1,2,3].<\/strong><\/p>\n

The magnetic properties of a solid are dictated by the magnetic interactions between the atoms, which depend on their positions and distances giving rise to strong couplings of magnetism with the crystal structure of the material. For this reason, the vibrations of atoms caused by thermal excitations, i.e. the phonons, may also affect the material’s magnetism and consequent caloric effects. However, the current version of our computational tool does not incorporate this interaction. A main goal of MULTICALORICS project is the development of a new method to calculate the effect of phonons on magnetism and caloric responses.<\/strong><\/p>\n

Research prior to this project has shown a potential coupling of phonons to magnetism in Mn3AN materials, where “A” can be a combination of transition metals and semiconducting elements. Mn3AN is a famous class of magnetic materials thanks to its gigantic caloric effects and possible tuning via chemical doping [4,5]. In the MULTICALORICS project we have the ambition to predict the best multicaloric conditions in these materials for their subsequent experimental analysis in the group of functional materials and phase transitions of the UB.<\/p>\n

[1] B. Gyorffy et al., J. Phys. F: Metal Phys. 15<\/strong>, 1337 (1985)
\n[2] E. Mendive-Tapia and J. Staunton, Phys. Rev. B 99<\/strong>, 144424 (2019)
\n[3] E. Mendive-Tapia, J. Neugebauer, and T. Hickel, Phys. Rev. B 105<\/strong>, 064425 (2022)
\n[4] D. Matsunami et al., Nature Materials 14<\/strong>, 73 (2015)
\n[5] D. Boldrin, E. Mendive-Tapia et al., Phys. Rev. X 8<\/strong>, 041035 (2018)
\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.20.4″ _module_preset=”default” use_background_color_gradient=”on” background_color_gradient_direction=”-90deg” background_color_gradient_stops=”rgba(188,134,27,0.19) 0%|rgba(64,127,137,0.24) 97%” custom_padding=”||150px||false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text module_class=”lletra_gran” _builder_version=”4.21.0″ _module_preset=”default” text_orientation=”center” global_colors_info=”{}”]MULTICALORICS is composed of three main tasks:<\/strong>
\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.20.4″ _module_preset=”default” background_color=”rgba(255,255,255,0)” custom_margin=”-150px||||false|false” global_colors_info=”{}”][et_pb_row column_structure=”1_3,1_3,1_3″ custom_padding_last_edited=”on|tablet” _builder_version=”4.21.0″ _module_preset=”default” custom_padding=”|80px||80px|false|false” custom_padding_tablet=”|80px||80px|false|false” custom_padding_phone=”|80px||80px|false|false” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_blurb image=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/09\/bsc.png” image_icon_width=”146px” module_class=”fons_color1″ _builder_version=”4.21.0″ _module_preset=”default” border_radii_image=”on|18px|18px|18px|18px” box_shadow_style_image=”preset4″ global_colors_info=”{}”]<\/p>\n

Understanding and prediction of new multicaloric materials by means of first-principles calculations.<\/strong><\/p>\n

[\/et_pb_blurb][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_blurb image=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/09\/DLM.png” image_icon_width=”133px” module_class=”fons_color2″ _builder_version=”4.21.0″ _module_preset=”default” border_radii_image=”on|14px|14px|14px|14px” box_shadow_style_image=”preset4″ global_colors_info=”{}”]<\/p>\n

Development of a new computational tool that includes the effect of phonon on magnetism and caloric cooling.<\/strong><\/p>\n

[\/et_pb_blurb][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_blurb image=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/04\/PID2020-ACMUMA-imatge3.webp” image_icon_width=”200px” icon_alignment=”left” module_class=”fons_color3″ _builder_version=”4.21.0″ _module_preset=”default” image_icon_custom_margin=”-8px||||false|false” border_radii_image=”on|24px|24px|24px|24px” box_shadow_style_image=”preset4″ global_colors_info=”{}”]<\/p>\n

Creation of new multicaloric materials and their experimental study.<\/strong><\/p>\n

[\/et_pb_blurb][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.20.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text module_class=”titular” _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”]MULTICALORICS project focuses on the development of new computational tools in order to guide experiments in the understanding and discovery of multicaloric materials with enhanced cooling performance
\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.21.0″ _module_preset=”default” max_width=”800px” custom_margin=”||||false|false” custom_padding=”||||false|false” border_width_top=”1px” border_color_top=”#BC861B” border_width_bottom=”1px” border_color_bottom=”#BC861B” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text module_class=”lletra_gran” _builder_version=”4.21.0″ _module_preset=”default” text_orientation=”center” global_colors_info=”{}”]If you are interested in learning more about MULTICALORICS project and its application, send an email to
\ne.mendive.tapia@ub.edu<\/a><\/strong>
\n[\/et_pb_text][et_pb_button button_url=”@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9saW5rX3VybF9wYWdlIiwic2V0dGluZ3MiOnsicG9zdF9pZCI6IjI0NiJ9fQ==@” button_text=”Informaci\u00f3 de contacte” button_alignment=”center” _builder_version=”4.21.0″ _dynamic_attributes=”button_url” _module_preset=”default” global_colors_info=”{}”][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ module_class=”membres_equip” _builder_version=”4.20.4″ _module_preset=”default” custom_margin=”0px||||false|false” custom_padding=”0px||||false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.21.0″ _module_preset=”default” custom_padding=”||0px||false|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text module_class=”titular” _builder_version=”4.21.0″ _module_preset=”default” custom_padding=”50px||||false|false” global_colors_info=”{}”]<\/p>\n

Project team<\/h2>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_4,1_4,1_4,1_4″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_4″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_team_member name=”Eduardo Mendive Tapia” position=”Principal Investigador” image_url=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/04\/2023-eduardo-mendive-23318-S-1.jpg” module_class=”color1″ _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_team_member][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_team_member name=”Eduard Vives Santa-Eulalia” position=”Coordinator and Investigator” image_url=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/04\/2023-eduard-vives-23318-S.jpg” module_class=”color2″ _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_team_member][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_team_member name=”Lluis Ma\u00f1osa Carrera” position=”Investigator” image_url=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/04\/2023-llui-s-man-osa-23318-S.jpg” module_class=”color3″ _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_team_member][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_team_member name=”Enric Stern Taulats” position=”Investigator” image_url=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/04\/2023-enric-stern-23318-S.jpg” module_class=”color4″ _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_team_member][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ module_class=”membres_equip” _builder_version=”4.20.4″ _module_preset=”default” custom_margin=”0px||||false|false” custom_padding=”0px||||false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.21.0″ _module_preset=”default” custom_padding=”||0px||false|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text module_class=”titular” _builder_version=”4.21.0″ _module_preset=”default” custom_margin=”-87px||||false|false” custom_padding=”50px||||false|false” global_colors_info=”{}”]<\/p>\n

Collaborations<\/h2>\n

[\/et_pb_text][et_pb_text _builder_version=”4.21.0″ _module_preset=”default” custom_margin=”-100px||||false|false” global_colors_info=”{}”]<\/p>\n

    \n
  • Julie B. Staunton (university of Warwick, UK)<\/li>\n
  • Christopher E. Patrick (university of Oxford, UK)<\/li>\n
  • David Boldrin (university of Glasgow, UK)<\/li>\n
  • J\u00f6rg Neugebauer (Max-Planck-Institut f\u00fcr Eisenforschung, Germany)<\/li>\n
  • Tilmann Hickel (Max-Planck-Institut f\u00fcr Eisenforschung, Germany)<\/li>\n<\/ul>\n

    [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.21.0″ _module_preset=”default” use_background_color_gradient=”on” background_color_gradient_direction=”-90deg” background_color_gradient_stops=”rgba(188,134,27,0.19) 0%|rgba(64,127,137,0.24) 97%” global_colors_info=”{}”][et_pb_row _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text module_class=”titular” _builder_version=”4.21.0″ _module_preset=”default” custom_padding=”||0px||false|false” global_colors_info=”{}”]<\/p>\n

    Publications and highlights<\/h2>\n

    [\/et_pb_text][et_pb_text module_class=”lletra_gran” _builder_version=”4.21.0″ _module_preset=”default” link_option_url=”https:\/\/iopscience.iop.org\/article\/10.1088\/2515-7655\/acd027\/meta” global_colors_info=”{}”]<\/p>\n

    Eduardo Mendive-Tapia, Christopher E. Patrick, Tilmann Hickel, J\u00f6rg Neugebauer, and Julie B. Staunton.
    \nQuantification of electronic and magnetoelastic mechanisms of first-order magnetic phase transitions from first principles: application to caloric effects in La(FexSi1-x)13.<\/em>
    \nJ. Phys. Energy 5<\/strong>, 034004 (2023)<\/p>\n

    [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text module_class=”titular” _builder_version=”4.21.0″ _module_preset=”default” custom_padding=”||0px||false|false” global_colors_info=”{}”]Supported by:
    \n[\/et_pb_text][et_pb_text admin_label=”Text” _builder_version=”4.21.0″ _module_preset=”default” text_orientation=”center” global_colors_info=”{}”]MULTICALORICS project – 101025767 funded by supported by:
    \n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row module_class=”logos” _builder_version=”4.21.0″ _module_preset=”default” custom_padding=”||||false|false” border_width_top=”2px” border_color_top=”#BC861B” border_width_bottom=”2px” border_color_bottom=”#BC861B” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/09\/European_Commission.svg_.png” title_text=”European_Commission.svg” align=”center” admin_label=”Image” _builder_version=”4.21.0″ _module_preset=”default” width=”30%” max_width=”400px” module_alignment=”center” height=”159px” global_colors_info=”{}”][\/et_pb_image][et_pb_image src=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/09\/marie_curie_logo.png” title_text=”marie_curie_logo” align=”center” _builder_version=”4.21.0″ _module_preset=”default” width=”30%” max_width=”400px” module_alignment=”center” height=”159px” max_height=”1000px” custom_margin=”|18px||-48px|false|false” custom_padding=”|99px||||” global_colors_info=”{}”][\/et_pb_image][et_pb_image src=”https:\/\/www.ub.edu\/functionalmaterials\/wp-content\/uploads\/2023\/09\/fbg.jpg” title_text=”fbg” _builder_version=”4.21.0″ _module_preset=”default” width=”21%” max_width=”400px” module_alignment=”center” height=”187px” custom_margin=”|||-21px|false|false” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

    Improving the efficiency and reducing the contaminant footprint of current cooling mechanisms is an urgent need to adapt to climate change and respond to high energy demands of the developed world. 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