公开(公告)号：US11569436B2

公开(公告)日：2023-01-31

申请号：US16493483

申请日：2018-03-15

申请人： ETO MAGNETIC GmbH

发明人： René Schnetzler ,  Thomas Schiepp ,  Harald Eckhardt

IPC分类号： H01L41/20 ,  H01L41/12 ,  H01L41/06 ,  H02N2/02

摘要： An actuator device includes at least one actuator element, which consists at least partially of a magnetically shape-shiftable material and which is configured at least for the purpose of causing a movement of at least one actuation element in at least one direction of movement by means of a contraction, and having a magnetic contraction unit, which is configured for the purpose of supplying a magnetic field acting upon the actuator element in order to generate a contraction of the actuator element. In the region of the actuator element, field lines of the magnetic field are aligned at least substantially parallel to the direction of movement.

公开(公告)号：US11479477B2

公开(公告)日：2022-10-25

申请号：US16909072

申请日：2020-06-23

申请人： The Governors of the University of Alberta

发明人： Vladimir Michaelis ,  Abhoy Karmakar

IPC分类号： C01G30/00 ,  H01G9/00 ,  H01L51/42 ,  H01L51/00 ,  H01L35/24 ,  H01L35/34 ,  H01L41/20 ,  H01L41/47 ,  H01G9/20 ,  H01L31/072 ,  H01L35/12 ,  H01L31/0264 ,  H02S10/30

摘要： The present application relates to copper-doped double perovskites, for example, copper-doped double perovskites of the formula (I) and to uses thereof, for example as low-bandgap materials such as a semiconducting material in a device. The present application also relates to methods of tuning the bandgap of a Cs2SbAgZ6 double perovskite (for example, wherein Z is Cl) comprising doping the double perovskite with copper. Cs2Sb1-aAg1-bCu2xZ6  (I)

公开(公告)号：US11289643B2

公开(公告)日：2022-03-29

申请号：US16467525

申请日：2017-12-06

申请人： KONINKLIJKE PHILIPS N.V.

发明人： Eduard Gerard Marie Pelssers ,  Daan Anton Van Den Ende ,  Mark Thomas Johnson ,  Cornelis Petrus Hendriks

IPC分类号： H01L41/06 ,  H01L41/18 ,  H01L41/04 ,  H01L41/083 ,  H01L41/09 ,  H01L41/113 ,  H01L41/12 ,  H01L41/193 ,  H01L41/20

摘要： The invention relates generally to electroactive material actuators (and combined sensor-actuators) having embedded magnetic particles (42) for facilitating enhanced actuation and/or sensing effects.

公开(公告)号：US11189780B2

公开(公告)日：2021-11-30

申请号：US16387898

申请日：2019-04-18

申请人： WISCONSIN ALUMNI RESEARCH FOUNDATION

发明人： Chang-Beom Eom ,  Mark Steven Rzchowski ,  Julian James Irwin ,  Shane Martin Lindeman

IPC分类号： H01L41/20 ,  H01L27/22 ,  H01L27/20 ,  H01L41/37 ,  H01L43/12 ,  H01L41/18 ,  H01L41/12 ,  H01L43/02

摘要： Magnetoelectric devices based on piezoelectric/magnetostrictive bilayers are provided. Also provided are methods of using the devices to modulate or to sense the magnetization of the magnetostrictive material. The devices include an island of magnetostrictive material that is strain-coupled to a thin layer of a piezoelectric material at an interface. A bottom electrode is placed in electrical communication with one surface of the piezoelectric film, and an unpaired top electrode is placed in electrical communication with a second, opposing surface of the piezoelectric film.

公开(公告)号：US20210172812A1

公开(公告)日：2021-06-10

申请号：US16623118

申请日：2018-04-20

申请人： TOHOKU UNIVERSITY ,  TOHOKU STEEL CO., LTD.

发明人： Fumio NARITA ,  Ryuichi ONODERA ,  Tsuyoki TAYAMA ,  Masahito WATANABE ,  Daiki CHIBA ,  Tatsuro SASA ,  Takenobu SATO ,  Takashi EBATA

IPC分类号： G01L1/12 ,  H01L41/12 ,  H01L41/20

摘要： An energy converter is formed by bonding a solid soft magnetic material and a solid magnetostrictive material. A vibration power generator is configured to generate power by means of the inverse magnetostriction effect of the magnetostrictive material produced by the vibration of a vibration unit configured using the energy converter. A force sensor device includes a force detection unit that detects magnetization change resulting from the inverse magnetostriction effect of the magnetostrictive material produced when a sensor unit configured using the energy converter deforms, and determines force acting on the sensor unit on the basis of the detected magnetization change. An actuator is configured to vibrate the vibration unit configured using the energy converter by means of the magnetostriction effect of the magnetostrictive material.

公开(公告)号：US10998495B2

公开(公告)日：2021-05-04

申请号：US16329721

申请日：2016-09-30

申请人： Intel Corporation

发明人： Chia-Ching Lin ,  Sasikanth Manipatruni ,  Dmitri E. Nikonov ,  Ian A. Young

IPC分类号： H01L43/10 ,  H01L41/187 ,  H01L41/193 ,  H01L41/20 ,  G11C11/16 ,  H01L41/00 ,  H01L27/22 ,  H01L43/08 ,  H01F10/32 ,  H01L43/02 ,  H01F10/12

摘要： An apparatus is provided which comprises: a ferromagnetic (FM) region with magnetostrictive (MS) property; a piezo-electric (PZe) region adjacent to the FM region; and a magnetoelectric region adjacent to the FM region. An apparatus is provided which comprises: a FM region with MS property; a PZe region adjacent to the FM region; and a magnetoelectric region, wherein the FM region is at least partially adjacent to the magnetoelectric region. An apparatus is provided which comprises: a FM region with MS property; a PZe region adjacent to the FM region; a magnetoelectric region being adjacent to the FM and PZe regions; a first electrode adjacent to the FM and PZe regions; a second electrode adjacent to the magnetoelectric region; a spin orbit coupling (SOC) region adjacent to the magnetoelectric region; and a third electrode adjacent to the SOC region.

公开(公告)号：US10825983B2

公开(公告)日：2020-11-03

申请号：US15663484

申请日：2017-07-28

申请人： Korea Electronics Technology Institute

发明人： Hyung Won Kang ,  Seung Ho Han

IPC分类号： H01L41/187 ,  H01L41/08 ,  H01L41/12 ,  H02N2/18 ,  H01L41/20 ,  H01L41/00 ,  H01L41/22

摘要： A magnetoelectric energy harvester having excellent power generation performance and a manufacturing method thereof are provided. The magnetoelectric energy harvester includes a magnetostrictive material portion including a magnetostrictive material which generates a mechanical deformation when being magnetized. The magnetoelectric energy harvester also includes a piezoelectric material portion which has a bending vibration mode and includes a piezoelectric material which produces power by receiving a mechanical deformation force from the magnetostrictive material portion.

公开(公告)号：US20200303622A1

公开(公告)日：2020-09-24

申请号：US16493483

申请日：2018-03-15

申请人： ETO MAGNETIC GmbH

发明人： René SCHNETZLER ,  Thomas SCHIEPP ,  Harald ECKHARDT

IPC分类号： H01L41/20 ,  H01L41/12 ,  H01L41/06 ,  H02N2/02

摘要： An actuator device includes at least one actuator element, which consists at least partially of a magnetically shape-shiftable material and which is configured at least for the purpose of causing a movement of at least one actuation element in at least one direction of movement by means of a contraction, and having a magnetic contraction unit, which is configured for the purpose of supplying a magnetic field acting upon the actuator element in order to generate a contraction of the actuator element. In the region of the actuator element, field lines of the magnetic field are aligned at least substantially parallel to the direction of movement.

公开(公告)号：US20190267534A1

公开(公告)日：2019-08-29

申请号：US16344636

申请日：2017-10-25

申请人： Northeastern University

发明人： Nian Xiang SUN ,  Menghui LI

IPC分类号： H01L41/06 ,  H01L41/047 ,  H01L41/08 ,  H01L41/09 ,  H01L41/12 ,  H01L41/18 ,  H01L41/20 ,  H04B1/38

摘要： Compact and power efficient acoustically actuated magnetoelectric antennas for transmitting and receiving very low frequency (VLF) electromagnetic waves utilize magnetoelectric coupling in a magnetic/piezoelectric heterostructure to provide voltage control of magnetization in transmission mode and magnetic control of electric polarization in receiving mode. The magnetoelectric antennas provide a power efficiency enhanced by orders of magnitude compared to magnetically or mechanically switching the magnetization. The antennas can be used in groups or arrays and can be combined to form VLF communication systems.

公开(公告)号：US10224476B2

公开(公告)日：2019-03-05

申请号：US14376319

申请日：2013-02-01

申请人： VIRGINIA TECH INTELLECTUAL PROPERTIES, INC.

发明人： Yongke Yan ,  Shashank Priya

IPC分类号： H01L41/20 ,  C04B35/64 ,  H01L41/43 ,  H01L41/187 ,  H01L41/273 ,  H01L41/047 ,  H01L41/083 ,  C04B35/26 ,  C04B35/493 ,  C04B35/499 ,  H01L41/16

摘要： Textured PMN-PZT fabricated by templated grain growth (TGG) method has a piezoelectric coefficient (d) of 3 to 5 times that of its random counterpart. By combining this TGG method with low-temperature co-firing ceramics (LTCC) techniques, co-fired multilayer textured piezoelectric ceramic materials with inner electrodes were produced at a temperature as low as 925° C., which silver could be used. Trilayer PMN-PZT ceramics prepared by this method show a strain increase of 2.5 times, a driving voltage decrease of 3 times, and an equivalent piezoelectric coefficient (d*) improvement of 10 to 15 times that of conventional random ceramic counterparts. Further, a co-fired magnetostrictive/piezoelectric/magnetostrictive laminate structure with silver inner electrode was also synthesized. The integration of textured piezoelectric microstructure with the cost-effective low-temperature co-fired layered structure achieves strong magnetoelectric coupling. These new materials have promising applications including as actuators, ultrasonic transducers, and use in energy harvesters.