Journal Papers

Z. Deng, V.V. Kondalkar, C. Cierpka, H. Schmidt, J. König
From rectangular to diamond shape: on the three-dimensional and size-dependent transformation of patterns formed by single particles trapped in microfluidic acoustic tweezers
Lab on a Chip 23, 2154-2160 (2023) URL

M. Seifert, B. Leszczynska, R. Weser, S. Menzel, T. Gemming, H. Schmidt
Durability of TiAl based surface acoustic wave devices for sensing at intermediate high temperatures
Journal of Materials Research and Technology 23, 4190-4198 (2023) URL

S. Biryukov, A. Sotnikov, H. Schmidt
Macroscopic Disk Rotation by Means of Surface Acoustic Waves
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 69, 447-449 (2022) URL

R. Weser, Z. Deng, V.V. Kondalkar, A.N. Darinskii, C. Cierpka, H. Schmidt, J. König
Three-dimensional heating and patterning dynamics of particles in microscale acoustic tweezers
Lab on a chip 22, 2886-2901 (2022) URL

R. Weser, H. Schmidt
In situ surface acoustic wave field probing in microfluidic structures using optical transmission interferometry
Journal of Applied Physics 129, 244503/1-8 (2021) URL

A. Sotnikov, B. Sorokin, N. Asafiev, D. Shcherbakov, G. Kvashnin, Y. Suhak, H. Fritze, M. Weihnacht, H. Schmidt
Microwave Acoustic Attenuation in CTGS Single Crystals
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 68, 3423-3429 (2021) URL

E. Smirnova, A. Sotnikov, M. Shevelko, N. Zaitseva, H. Schmidt
Ultrasonic evidence of temperatures characteristic of relaxors in PbFe_2/3W_1/3O₃–PbTiO₃ solid solutions near the morphotropic phase boundary
Journal of Materials Science 56, 4753-4762 (2021) URL

Y. Suhak, H. Fritze, A. Sotnikov, H. Schmidt, W. Johnson
High-temperature electromechanical loss in piezoelectric langasite and catangasite crystals
Journal of Applied Physics 130, 085102/1-18 (2021) URL

R. Weser, A.N. Darinskii, H. Schmidt
Polarization manipulation of surface acoustic waves by metallization patterns on a piezoelectric substrate
Applied Physics Letters 117, 143502/1-5 (2020) URL

R. Weser, A. Darinskii, M. Weihnacht, H. Schmidt
Experimental and numerical investigations of mechanical displacements in surface acoustic wave bounded beams
Ultrasonics 106, 106077/1-10 (2020) URL

R. Weser, A. Winkler, M. Weihnacht, S. Menzel, H. Schmidt
The complexity of surface acoustic wave fields used for microfluidic applications
Ultrasonics 106, 106160/1-12 (2020) URL

Y. Suhak, W.L. Johnson, A. Sotnikov, H. Schmidt, H. Fritze
Transport and Electromechanical Properties of Ca₃TaGa₃Si₂O₁₄ Piezoelectric Crystals at Extreme Temperatures
MRS Advances 4, 515-521 (2019) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
FE analysis of surface acoustic wave transmission in composite piezoelectric wedge structures
Ultrasonics 84, 366-372 (2018) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Surface acoustic wave electric field effect on acoustic streaming: Numerical analysis
Journal of Applied Physics 123, 014902/1-8 (2018) URL

E. Smirnova, A. Sotnikov, N. Zaitseva, H. Schmidt
Acoustic anomalies in SrTiO₃-BiFeO₃ solid solutions
Physics of the Solid State 60, 108-114 (2018) URL

Y. Suhak, M. Schulz, W.L. Johnson, A. Sotnikov, H. Schmidt, H. Fritze
Electromechanical properties and charge transport of Ca₃TaGa₃Si₂O₁₄ (CTGS) single crystals at elevated temperatures
Solid State Ionics 317, 221-228 (2018) URL

Y. Suhak, A. Schulz, A. Sotnikov, H. Schmidt, S. Ganschow, S. Sakharov, H. Fritze
Dielectric, piezoelectric and elastic constants of Ca₃TaGa₃Si₂O₁₄ single crystals at elevated temperatures
Ferroelectrics 537, 255-263 (2018) URL

Y. Suhak, M. Schulz, A. Sotnikov, H. Schmidt, H. Fritze
Electrical, Electromechanical and Piezoelectric Properties of Ca₃TaGa₃Si₂O₁₄ Resonators at Elevated Temperatures
Acta Physica Polonica A 133, 1069-1073 (2018) URL

A. Fakhfouri, C. Devendran, T. Albrecht, D.J. Collins, A. Winkler, H. Schmidt, A. Neild
Surface acoustic wave diffraction driven mechanisms in microfluidic systems
Lab on a Chip 18, 2214-2224 (2018) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Acoustomicrofluidic application of quasi-shear surface waves
Ultrasonics 78, 10-17 (2017) URL

F. Kiebert, S. Wege, J. Massing, J. Koenig, C. Cierpka, R. Weser, H. Schmidt
3D measurement and simulation of surface acoustic wave driven fluid motion: a comparison
Lab on a Chip 17, 2104-2114 (2017) URL

A. Winkler, S. Harazim, D.J. Collins, R. Bruenig, H. Schmidt, S. Menzel
Compact SAW aerosol generator
Biomed Microdevices 19, 9/1-10 (2017) URL

E. Smirnova, A. Sotnikov, S. Ktitorov, H. Schmidt
Low temperature acoustic characterization of PMN single crystal
Journal of Applied Physics 122, 084103/1-6 (2017) URL

D.J. Collins, B.L. Khoo, Z. Ma, A. Winkler, R. Weser, H. Schmidt, J. Han, Y. Ai
Selective particle and cell capture in a continuous flow using micro-vortex acoustic streaming
Lab on a Chip 17, 1769-1777 (2017) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Finite element analysis of the Rayleigh wave scattering in isotropic bi-material wedge structures
Ultrasonics 73, 67-76 (2017) URL

D.J. Collins, B.L. Khoo, Z. Ma, A. Winkler, R. Weser, H. Schmidt, J. Han, A. Ye
Correction: Selective particle and cell capture in a continuous flow using micro-vortex acoustic streaming
Lab on a Chip 17, 1843-1843 (2017) URL

S.V. Biryukov, A. Sotnikov, H. Schmidt
Piezoelectric tube rotation effect owing to surface acoustic wave excitation
Applied Physics Letters 108, 134103/1-3 (2016) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Computation of the pressure field generated by surface acoustic waves in microchannels
Lab on a Chip 16, 2701-2709 (2016) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Surface acoustic wave reflection/transmission at vertical borders of piezoelectric substrates
Ultrasonics 56, 318-324 (2015) URL

F. Kiebert, J. Koenig, C. Kykal, H. Schmidt
Measurements of Streams Agitated by Fluid Loaded SAW-devices Using a Volumetric 3-component Measurement Technique (V3V)
Physics Procedia 70, 25-29 (2015) URL

A.V. Sotnikov, E.P. Smirnova, H. Schmidt, M. Weihnacht
Low-temperature elastic properties of Sr₃NbGa₃Si₂O₁₄ single crystals
Physics of the Solid State 57, 1183-1187 (2015) URL

E.P. Smirnova, A.V. Sotnikov, N.V. Zaitseva, H. Schmidt, M. Weihnacht
Dielectric properties of SrTiO₃-DyScO₃ solid solutions
Physics of the Solid State 57, 2241-2245 (2015) URL

E. Smirnova, A. Sotnikov, H. Schmidt, M. Weihnacht, S. Sakharov
Low-temperature dielectric behavior of disordered and ordered langasite family single crystals LGS, LGT, SNGS and STGS
Journal of Physics and Chemistry of Solids 85, 91-95 (2015) URL

E. Smirnova, A. Sotnikov, S. Ktitorov, N. Zaitseva, H. Schmidt, M. Weihnacht
Acoustic evidence of distinctive temperatures in relaxor-multiferroics
Journal of Applied Physics 115, 054101/1-7 (2014) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Rayleigh wave scattering from a vertical edge of isotropic substrates
Ultrasonics 54, 1999-2005 (2014) URL

E. Smirnova, S. Smirnov, A. Sotnikov, M. Shevelko, H. Schmidt, M. Weihnacht
High temperature acoustic anomalies in PMN-PSN solid solution
Ferroelectrics 469, 67-72 (2014) URL

E.P. Smirnova, A.V. Sotnikov, N.V. Zaitseva, H. Schmidt, M. Weihnacht
Evolution of phase transitions in SrTiO3-BiFeO3 solid solutions
Physics of the Solid State 56, 996-1001 (2014) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Mutual conversion of bulk and surface acoustic waves in gratings of finite length on half-infinite substrates. I. FE analysis of surface wave generation
Ultrasonics 53, 998-1003 (2013) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Resonant reflection of a surface acoustic wave from strip waveguides
Wave Motion 50, 1185-1196 (2013) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Anisotropy effects in the reflection of surface acoustic waves from obstacles
IEEE Transaction on Ultrasonics, Ferroelectrics, and Frequency Control 60, 235-242 (2013) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Mutual conversion of bulk and surface acoustic waves in gratings of finite length on half-infinite substrates. II. FE analysis of bulk wave generation
Ultrasonics 53, 1004-1011 (2013) URL

E.P. Smirnova, A.V. Sotnikov, H. Schmidt, M. Weihnacht
Temperature dependence of the elastic moduli of multiferroic PbFe_2/3W_1/3O₃ ceramics
Technical Physics Letters 39, 277-279 (2013) URL

E.P. Smirnova, A. Sotnikov, S. Ktitorov, N. Zaitseva, H. Schmidt, M. Weihnacht
Acoustic properties of multiferroic BiFeO3 over the temperature range 4.2 - 830 K
European Physical Journal B 83, 39-45 (2011) URL

G. Martin, S.V. Biryukov, H. Schmidt, B. Steiner, B. Wall
Two-finger (TF) SPUDT cells
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 58, 658-661 (2011) URL

S.V. Biryukov, G. Martin, H. Schmidt, B. Wall
Low-loss unidirectional transducer for high frequency surface acoustic wave devices
Journal of Applied Physics 110, 076103/1-3 (2011) URL

A.V. Sotnikov, E.P. Smirnova, H. Schmidt, M. Weihnacht, V.V. Lemanov
Polar state in Li-doped SrTiO3
Ferroelectrics 405, 13-19 (2010) URL

A.V. Sotnikov, H. Schmidt, M. Weihnacht, E.P. Smirnova, T.Y. Chemekova, Y.N. Makarov
Elastic and piezoelectric properties of AlN and LiAlO₂ single crystals
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 57, 808-811 (2010) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Surface acoustic wave scattering from steps, grooves, and strips on piezoelectric substrates
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 57, 2042-2050 (2010) URL

E. Smirnova, A. Sotnikov, N. Zaitseva, H. Schmidt, M. Weihnacht
Acoustic properties of multiferroic PbFe_1/2Ta1/₂O₃
Physics Letters A 374, 4256-4259 (2010) URL

A. Winkler, S.B. Menzel, H. Schmidt, I. Moench, A. Jahn, U. Kuenzelmann
Novel technology for SAW based microfluidic devices with buried interdigital transducer electrodes
IOP Conference Series: Materials Science and Engineering 8, 012012/1-5 (2010) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Usage of symmetry in the simulation of interdigital transducers
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 57, 2356-2359 (2010) URL

S.V. Biryukov, H. Schmidt, A.V. Sotnikov, M. Weihnacht, T.Y. Chemekova, Y.N. Makarov
Ring waveguide resonator on surface acoustic waves: First experiments
Journal of Applied Physics 106, 126103/1-2 (2009) URL

E.P. Smirnova, A.V. Sotnikov, H. Schmidt, N.V. Zaitseva, M. Weihnacht
Phase transitions and dielectric relaxation in (1 - x)SrTiO₃-xBiFeO₃ (0 = x = 0.04)
Physics of the Solid State 51, 2492-2496 (2009) URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
Rayleigh wave reflection from single surface imperfections on isotropic substrates
Journal of Applied Physics 106, 034914/1-8 (2009) URL

J. Chen, E. Louis, C.J. Lee, H. Wormeester, R. Kunze, H. Schmidt, D. Schneider, R. Moors, W. van Schaik, M. Lubomska, F. Bijkerk
Detection and characterization of carbon contamination on EUV multilayer mirrors
Optics Express 17, 16969-16979 (2009) URL

J. Chen, C.J. Lee, E. Louis, F. Bijkerk, R. Kunze, H. Schmidt, D. Schneider, R. Moors
Characterization of EUV induced carbon films using laser - generated surface acoustic waves
Diamond and Related Materials 18, 768-771 (2009) URL

A.V. Sotnikov, R. Kunze, H. Schmidt, M. Weihnacht, M. Hengst, J. Goetze
Piezolectric and elastic properties of Sr₃NbGa₃Si₂O₁₄ (SNGS) single crystals
Physics of the Solid State 51, 275-279 (2009) URL

Y.C. Lee, S.J. Lin, V. Buck, R. Kunze, H. Schmidt, C.Y. Lin, W.L. Fang, I.N. Lin
Surface acoustic wave properties of natural smooth ultra-nanocrystalline diamond characterized by laser-induced SAW pulse technique
Diamond and Related Materials 17, 446-450 (2008) URL

G. Martin, H. Schmidt, B. Wall
New SPUDT cell structures
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 51, 859-864

K. Franke, M. Ross-Messemer, A. Menck, F.S. Hoeller, H. Schmidt, M. Weihnacht
The highly sensitive optical measurement of absolute SAW amplitudes for power flow analysis
IEEE Transactions on Ultrasonics, Ferroelectrics and frequency control 50, 77-80

H.P.D. Schenk, E. Feltin, M. Vaille, P. Gibart, R. Kunze, H. Schmidt, M. Weihnacht, E. Dogheche
Acoustical and optical gallium nitride waveguides grown on Si(111) by metalorganic vapor phase epitaxy
Physica Status Solidi A 188, 537-541 (2001) URL

Contributions to collected editions/proceedings

V.V. Kondalkar, Z. Deng, A.N. Darinskii, R. Weser, C. Cierpka, J. König, H. Schmidt
In-situ investigation of three-dimensional acoustophoretic and acoustothermal effects in SAW-based acoustic tweezers
Acoustofluidics 2022, (2022)

R. Weser, A.N. Darinskii, H. Schmidt
Polarization conversion of surface acoustic waves for enhanced microscale actuation applications
2019 IEEE International Ultrasonics Symposium (IUS) 2019 IEEE International Ultrasonics Symposium (IUS), 683-686, (2019), URL

R. Weser, A. Winkler, S. Menzel, H. Schmidt
Tuning of the acoustic boundary conditions for SAW-driven microfluidics
CBMS, Oral Presentation/Poster Abstracts Guide, Acoustofluidics, (2018)

R. Weser, A. Sotnikov, H. Schmidt
Advanced characterization of surface acoustic wave fields at high temperature
2018 IEEE International Ultrasonics Symposium (IUS) 2018, ID 713, (2018)

S. Biryukov, A. Sotnikov, H. Schmidt
SAW based tube rotation with wireless power transfer
2018 IEEE International Ultrasonics Symposium (IUS) 2018, ID 677, (2018)

S.V. Biryukov, M. Weihnacht, A. Sotnikov, H. Schmidt
SAW based rotation force of a cylindrical solid
IEEE International Ultrasonics Symposium (IUS), Washington, DC/ USA, 6.-9.9.17, 1-4, (2017)

M. Weihnacht, A. Sotnikov, Y. Suhak, H. Fritze, H. Schmidt
Accuracy analysis and deduced strategy of measurements applied to Ca3TaGa3Si2O14 (CTGS) material characterization
IEEE International Ultrasonics Symposium (IUS), Washington, DC/ USA 6.-9.9.17, 1-4, (2017)

A. Sotnikov, H. Schmidt, M.H. Haghighi, M. Gorev, Y. Suhak, H. Fritze, S. Sakharov
Material Parameters of Ca3TaGa3Si2O14 (CTGS) Piezoelectric Single Crystal at Extreme Temperatures
Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS), Besancon/ France, 9.-13.7.17, 193-197, (2017)

C. Faust, E. Angermann, A. Winkler, H. Schmidt
Multi-purpose SAW-based device for comprehensive cell behavior studies
Conference proceedings of the Acoustofluidics Conference Acoustofluidics Conference, (2016), URL

A.N. Darinskii, M. Weihnacht, H. Schmidt
SAW transmission across wedge-like contacts in composite substrates
2016 IEEE International Ultrasonics Symposium 2016 IEEE International Ultrasonics Symposium, 1-4, (2016), URL

S.V. Biryukov, A. Sotnikov, H. Schmidt, IEEE
Surface acoustic wave momentum
2016 IEEE International Ultrasonics Symposium (IUS), Proceedings 2016 IEEE International Ultrasonics Symposium (IUS), 1-4, (2016), URL

A. Sotnikov, E. Smirnova, H. Schmidt, M. Weihnacht, J. Gotze, S. Sakharov
Langasite family crystals as promising materials for microacoustic devices at cryogenic temperatures
Frequency Control Symposium & the European Frequency and Time Forum (FCS), 2015 Joint Conference of the IEEE International Joint Conference of the IEEE International Frequency Control Symposium & the European Frequency and Time Forum (FCS) , 106-110, (2015)

A. Darinskii, M. Weihnacht, H. Schmidt
Surface acoustic wave scattering by substrate edges
Proceedings IEEE International Ultrasonics Symposium, 2055-2058, (2014)

S.V. Biryukov, H. Schmidt, A. Sotnikov, M. Weihnacht, S. Sakharov, O. Buzanov
CTGS material parameters obtained by versatile SAW measurements
Proceedings IEEE International Ultrasonics Symposium, 882-885, (2014)

R. Bruenig, A. Winkler, S. Wege, H. Schmidt
SAW technology for microfluidics and considerations about efficiency
Proceedings 4th European Conference on Microfluidics, 20141-20148, (2014)

G. Martin, E. Chilla, H. Schmidt, B. Steiner
Second-harmonic suppression in DART-SFIT devices
Proceedings IEEE International Ultrasonics Symposium, 2015-2018, (2014)

S.V. Biryukov, H. Schmidt, M. Weihnacht
Resonance properties of APTUDT on SAW vs. Electrode track apertures
Proceedings 2013 Joint UFFC, EFTF and PFM Symposium; IEEE International Ultrasonics Symposium, 1073-1076, (2013)

A.N. Darinskii, M. Weihnacht, H. Schmidt
SAW resonance excitation of acoustic strip waveguide modes
Proceedings 2013 Joint UFFC, EFTF and PFM Symposium; IEEE International Ultrasonics Symposium, 1065-1068, (2013)

A. Sotnikov, H. Schmidt, M. Weihnacht, O. Buzanov, S. Sakharov
Material parameters of Ca3TaGa3Si2O14 single crystal revisited
Proceedings 2013 Joint UFFC, EFTF and PFM Symposium; IEEE International Ultrasonics Symposium, 1488-1491, (2013)

A. Sotnikov, H. Schmidt, M. Weihnacht, S.J. Zhang, T.R. Shrout, F.P. Yu
Elastic constants of YCa4O(BO3)3 and NdCa4O(BO3)3 single crystals by the pulse-echo ultrasonic method
Proceedings 2012 IEEE International Ultrasonics Symposium, 2489-2492, (2012)

A. Sotnikov, H. Schmidt, M. Weihnacht, M. Hengst, R. Mockel, J. Gotze, G. Heide
High temperature piezoelectric single crystals: Sr3NbGa3Si2O14, Sr3TaGa3Si2O14 and GdCa4O(BO3)3
Proceedings 21st IEEE International Symposium on Applications of Ferroelectrics held jointly with 11th IEEE European Conference on the Applications of Polar Dielectrics and IEEE PFM, ISAF/ECAPD/PFM 2012, 6297781/1-3, (2012)

A.N. Darinskii, M. Weihnacht, H. Schmidt
FEM simulation of BAW/SAW and SAW/BAW conversions in gratings on the surface of half-infinite substrates
Proceedings 2012 IEEE International Ultrasonics Symposium, 811-814, (2012)

E. Smirnova, A. Sotnikov, S. Ktitorov, N. Zaitseva, H. Schmidt, M. Weihnacht
Elastic properties of relaxors with magnetic ordering
Proceedings 2012 IEEE International Ultrasonics Symposium, 1493-1496, (2012)

E. Smirnova, A. Sotnikov, S. Ktitorov, H. Schmidt, M. Weihnacht
High temperature acoustic effects in relaxors PbMg1/3Nb2/3O3 and PbFe1/2Nb1/2O3
Proceedings 21st IEEE International Symposium on Applications of Ferroelectrics held jointly with 11th IEEE European Conference on the Applications of Polar Dielectrics and IEEE PFM, ISAF/ECAPD/PFM 2012, 6297789/1-4, (2012)

G. Martin, H. Schmidt, A.N. Darinskii, B. Wall
Natural SPUDT behavior of YZ LiNbO3 for reflective delay lines
Proceedings 2012 IEEE International Ultrasonics Symposium, 1790-1793, (2012)

S.V. Biryukov, G. Martin, H. Schmidt, M. Weihnacht
Non-reflective electrode cell for SAW with quarter-wavelength electrodes
Proceedings 2012 IEEE International Ultrasonics Symposium, 1786-1789, (2012)

A.N. Darinskii, M. Weihnacht, H. Schmidt
FEM simulation of SAW reflection in crystals
AIP Conference Proceedings , 1433, 251-254, (2012)

M. Weihnacht, A. Sotnikov, H. Schmidt, B. Wall, R. Gruenwald
Langasite: high temperature properties and SAW simulations
Proceedings 2012 IEEE International Ultrasonics Symposium, 1549-1552, (2012)

R. Bruenig, A. Winkler, G. Guhr, H. Schmidt
Active mixing in microfluidic systems using surface acoustic waves
Proceedings 2011 IEEE International Ultrasonics Symposium (IUS), 794-796, (2011)

A. Darinskii, M. Weihnacht, H. Schmidt
Effect of anisotropy on the reflection of SAW from grooves and strips
Proceedings IEEE International Ultrasonics Symposium (IUS), 2011, 551-554, (2011)

M. Weihnacht, A. Sotnikov, H. Schmidt, E. Smirnova, S. Ktitorov
Acoustic properties of multiferroics PbFe1/2Ta1/2O3 and BiFeO3 at Neel temperature
Proceedings 2011 International Symposium On Applications of Ferroelectrics and 2011 International Symposium on Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials (ISAF/PFM) 2011, 6014160, (2011)

S.V. Biryukov, G. Martin, H. Schmidt, B. Wall
SPUDT cell with one-wavelength period and quarter-wavelength electrodes
Proceedings 2011 IEEE International Ultrasonics Symposium (IUS), 1337-1340, (2011)

H. Schmidt, X. Kong, C. Deneke, O.G. Schmidt
Dielectrophoretic manipulation of rolled-up microtubes by surface acoustic waves
Proceedings The 6th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, 1251-1254, (2011)

G. Guhr, S. Gehrisch, R. Bruenig, H. Schmidt, G. Siegert, M. Weihnacht
Novel sensor combining impedance spectroscopy and surface acoustic waves to detect blood coagulation time and hematocrit value
Proceedings IEEE Sensors 2011, 1413-1416, (2011)

A. Darinskii, M. Weihnacht, H. Schmidt
Symmetry properties of acoustic fields in piezoelectrics and their implementation in FEM simulations of the SAW propagation
Proceedings 2010 IEEE International Ultrasonics Symposium, 1894-1897, (2010)

R. Bruenig, M. Weihnacht, G. Guhr, H. Schmidt
Complex loading and simulation of acoustic thickness shear mode resonator
Procedia Engineering Eurosensors XXIV, Linz/ Austria, 5.-8.9.10, 5, 476-479, (2010)

S.V. Biryukov, H. Schmidt, M. Weihnacht
Single-mode ring waveguide resonator on SAW
Proceedings 2010 IEEE International Ultrasonics Symposium, 2099-2102, (2010)

G. Martin, H. Schmidt, G. Wall
Natural SPUDT behavior of YZ LiNbO3
Proceedings 2010 IEEE International Ultrasonics Symposium, 189-192, (2010)

G. Guhr, R. Bruenig, H. Schmidt, M. Weihnacht, S. Gehrisch, G. Siegert
Surface acoustic wave resonators as novel tools for multiparametric blood analysis
Proceedings IEEE EMBC2010 (32nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society), 3499-3502, (2010)

R. Bruenig, H. Schmidt, G. Guhr, M. Weihnacht
Complex loadings on thickness shear mode resonators
Proceedings 2010 IEEE International Ultrasonics Symposium, 1886-1889, (2010)

S.V. Biryukov, H. Schmidt, M. Weihnacht
Gyroscopic effect for SAW in common piezoelectric crystals
Proceedings, CD-ROM, P2-O-10/1-4 2009 IEEE International Ultrasonics Symposium, (2009)

G. Guhr, R. Bruenig, H. Schmidt, M. Jaeger, R. Poll, M. Weihnacht
Combination of surface acoustic wave measurement and impedance spectroscopy for detection of cell adhesion process
Proceedings, CD-ROM European Frequency and Time Forum - International Frequency Control Symposium, EFTF-IFCS 2009, (2009)

R. Bruenig, K. Mensel, R. Kunze, H. Schmidt
New electronic device for driving surface acoustic wave actuators
Proceedings, Procedia Chemistry Eurosensors XXIII Conference, 1, 1111-1114, (2009)

A. Sotnikov, H. Schmidt, M. Weihnacht
Characterization of new promising piezoelectric crystals
Proceedings International Mini-Conference on Information Electronics Systems, 11-14, (2009)

V. Biryukov, H. Schmidt, M. Weihnacht
Performance of SAW ring waveguide resonator: 3D FEM and experiments
Proceedings 2009 IEEE International Ultrasonics Symposium, 5B-3/1-4, (2009)

G. Guhr, H. Schmidt, M. Weihnacht
A new tool to assess mechanical and dielectric properties of tissues
Proceedings, CD-ROM Engineering in Medicine and Biology Conference - EMBC 2009, 1-4, (2009)

A.V. Sotnikov, H. Schmidt, M. Weihnacht, E.P. Smirnova, T.Y. Chemekova, Y.N. Makarov
Material parameters of AlN and LiAlO2 single crystals
Proceedings 2009 IEEE Frequency Control Symposium, 935-938, (2009)

G. Guhr, R. Bruenig, H. Schmidt, M. Weihnacht
Acoustoelectronic method for the detection of electrical and mechanical properties of adhering cell cultures
Proceedings, CD ROM 2009 IEEE International Ultrasonics Symposium, 4D-6/1-4, (2009)

J. Chen, E. Louis, F. Bijkerk, C.J. Lee, H. Wormeester, R. Kunze, H. Schmidt, D. Schneider, R. Moors, W. v. Schaik, M. Lubomska
Ellipsometric and surface acoustic wave sensing of carbon contamination on EUV optics
Proceedings of SPIE, 7271 , 7271, 7271/40, (2009)

G. Martin, H. Schmidt, S.V. Biryukov, B. Steiner, B. Wall
New SPUDT cells including fingers and gaps wider than a quarter wavelength
Proceedings, CD-ROM 2009 IEEE International Ultrasonics Symposium, 5F-3/1-4, (2009)

A. Darinskii, M. Weihnacht, H. Schmidt
SAW reflection from surface inhomogeneities of isotropic and anisotropic substrates
Proceedings, CD-ROM 2009 IEEE International Ultrasonics Symposium, P1-R-01/1-4, (2009)

G. Guhr, R. Bruenig, M. Jaeger, R. Poll, H. Schmidt, M. Weihnacht
Akustische Thrombelastografie an Blut
Sensoren und Messsysteme 2008, VDI-Berichte 2011 14. GMA/ ITG-Fachtagung, 859-862, (2008)

G. Guhr, R. Bruenig, M. Jaeger, R. Poll, H. Schmidt, M. Weihnacht
A surface acoustic wave sensor for detection of cell adhesion
Proceedings 2008 IEEE International Ultrasonics Symposium, P2P138-04, (2008)

S.V. Biryukov, H. Schmidt, M. Weihnacht
Ring waveguide resonator on SAW - quality factor vs electrode structure properties
Proceedings 2008 IEEE International Ultrasonics Symposium, 6C-1, (2008)

G. Martin, S.V. Biryukov, H. Schmidt, B. Steiner, B. Wall
Two-finger (TF) SPUDT cells
Proceedings 2008 IEEE International Ultrasonics Symposium, 6C-4, (2008)

T.Y. Chemekova, A.V. Sotnikov, R. Kunze, H. Schmidt, M. Weihnacht, E.N. Mokhov, Y.N. Makarov
Investigation of SAW in sublimation aluminum nitride monocrystals
Proceedings 6th All-Russian Conference ''Gallium, aluminum and indium nitrides'', Juni 2008, 163-165, (2008)

R. Bruenig, M. Weihnacht, H. Schmidt, G. Guhr
More general model of quartz crystal microbalance response to viscoelastic loading
Proceedings, Elsevier Eurosensor XXII, 101-104, (2008)

G. Guhr, R. Bruenig, M. Jaeger, R. Poll, H. Schmidt, M. Weihnacht
Untersuchung zellulaerer Adhaesionsvorgaenge mittels akustischer Oberflaechenwellen
Dresdner Beitraege zur Medizintechnik Dresdner Medizintechniksymposium , 74-77, (2008)

A. Darinskii, M. Weihnacht, H. Schmidt
Acoustic waves in LiNbO3/SiO2/water/silicon rubber structures
Proceedings 2008 IEEE International Ultrasonics Symposium, P1E070-02, (2008)

A. Sotnikov, H. Schmidt, K. Suschke, M. Weihnacht, M. Hengst, J. Goetze
Piezoelectric and elastic properties of SNGS and STGS single crystals at elevated temperatures
Proceedings 2008 IEEE International Ultrasonics Symposium, P3K102-02, (2008)

R. Bruenig, M. Weihnacht, H. Schmidt, G. Guhr
More comprehensive model of quartz crystal microbalance response to viscoelastic loading
Proceedings 2008 IEEE International Ultrasonics Symposium, 5C-5, (2008)

G. Martin, H. Schmidt, B. Wall
Improved temperature stability of one-port SAW resonators achieved without coils
Proceedings 2007 IEEE International Ultrasonics Symposium, 925 - 928, (2007)

A. Sotnikov, R. Kunze, H. Schmidt, M. Weihnacht, M. Hengst, J. Goetze, K. Jaenicke-Roessler
Temperature dependent material parameters of Sr3NbGa3Si2O14 (SNGS) single crystal
Proceedings 2007 IEEE International Frequency Control Symposium Jointly with the 21st European Frequency and Time Forum, (TimeNav'07), 719-723, (2007)

M. Weihnacht, R. Bruenig, H. Schmidt
More accurate simulation of quartz crystal microbalance (QCM) response to viscoelastic loading
Proceedings 2007 IEEE International Ultrasonics Symposium, 377-380, (2007)

G. Guhr, R. Kunze, G. Martin, H. Schmidt, M. Weihnacht, S. Gerisch, G. Siegert
Thromelastography using acoustic sensors
Proceedings IEEE International Ultrasonics Symposium, 2006, 544-547, (2006)

G. Guhr, R. Kunze, G. Martin, H. Schmidt, M. Weihnacht, S. Gehrisch, G. Siegert
Monitoring blood coagulation with QCM and SH-SAW sensors
Proceedings IEEE International Ultrasonics Symposium, 58-61, (2005)

H. Schmidt, M. Pekarcikova, S. Menzel, M. Hofmann, R. Kunze
Investigation of Al/Ti metallization performance in terms of acoustomigration stability~T
Proceedings IEEE International Ultrasonics Symposium, 2005, 1884-1887, (2005)

U. Prechtel, V. Ziegler, S. Kolodzik, B. Plehn, H. Downar, J. Haering, R. Kunze, G. Martin, H. Schmidt, M. Weihnacht
Diamond-based SAW Oscillator at 1 GHz
Proceedings IEEE International Ultrasonics, Ferroelectrics, and Frequency Control Joint 50th Anniversary Conference, 199-, (2004)

G. Martin, H. Schmidt, B. Wall
Two-channel cascading of transversely coupled resonator filters
Proceedings IEEE Ultrasonics Symposium 2003, 518-521, (2003)

G. Martin, H. Schmidt, B. Wall
New spudt cell structures
Proceedings IEEE Ultrasonics Symposium 2002, 1, 39-42, (2002)

H. Schmidt, R. Kunze, M. Weihnacht, S. Menzel
Investigation of acoustomigration effects in al-based metallizations
Proceedings IEEE Ultrasonics Symposium 2002, Muenchen/ Germany, 8.-11.10.02, 1, 415-418, (2002)

Invited Talks

A. Winkler, H. Schmidt
From Fundamentals to Devices - SAW Research at IFW Dresden
Institute Seminar | Paul-Drude-Institut für Festkörperelektronik (PDI)
Berlin, Germany, 24.05.2023 - 24.05.2023

A. Winkler, H. Schmidt
Miniaturized, Wireless SAW-based Sensors for Industrial Monitoring
3. Technologietag angewandte Sensorik (TAS): „Sensorik-Zukunftstrends und Sensorimpulse für industrielle Anwender“ | ISAT Coburg
Coburg, Germany, 09.03.2023

A. Sotnikov, B. Leszczynska, M. Seifert, A. Winkler, T. Windisch, H. Schmidt
Materialsysteme für SAW-basierte Sensoren in rauer Umgebung
16. Dresdner Sensor Symposium
Dresden, Germany, 05.12.2022 - 07.12.2022

H. Schmidt, A. Sotnikov
Investigations on Lithium Niobate for Actuators and High-Temperature Applications
Materials Science and Engineering Congress (MSE 2022)
Darmstadt, Germany, 27.09.2022 - 29.09.2022

A. Sotnikov, H. Schmidt
Lithium Niobate in High Temperature Microacoustic Investigations: Advantages and Limitations
International Workshop on Polar Oxides: Lithium Niobate and related Compounds (WPO 2022) | Clausthal University of Technology
Goslar, Germany, 11.05.2022 - 13.05.2022

A. Fakhfouri, C. Devendran, D. Collins, A. Winkler, H. Schmidt, A. Neild
Characterization of Surface Acoustic Waves Diffraction Driven Mechanisms in Microfluidic Systems
DAGA 2021 - 47. Jahrestagung für Akustik | Österreichische Akademie der Wissenschaften, Institut für Schallforschung (ISF); Deutsche Gesellschaft für Akustik (DEGA)
Vienna, Austria, 15.08.2021 - 18.08.2021

H. Schmidt, A. Sotnikov, R. Weser, B.P. Sorokin, Yu. Suhak, H. Fritze, M. Weihnacht
Catangasite: piezoelectric single crystal for sensor applications at harsh conditions
Sensor and Measurement Science International SMSI 2021
virtual, 04.05.2021 - 04.05.2021

R. Weser, A. Darinskiy, M. Weihnacht, A. Winkler, H. Schmidt
Complex Surface Acoustic Wave Fields used for Microfluidic Applications
DAGA 2021 - 47. Jahrestagung für Akustik | Österreichische Akademie der Wissenschaften, Institut für Schallforschung (ISF); Deutsche Gesellschaft für Akustik (DEGA)
Vienna, Austria, 15.08.2021 - 18.08.2021

H. Schmidt, A. Winkler, F. Kiebert, R. Weser, M. Roudini, J. König, A. Darinskiy
Third generation surface acoustic wave devices for active microfluidics
IEEE International Ultrasonics Symposium 2019
Glasgow, UK, 06.10.2019 - 09.10.2019

H. Schmidt
Second generation Surface Acoustic Wave devices as advanced sensors
IFW - BAM Workshop
Berlin, Germany, 25.11.2019 - 26.11.2019

R. Weser, H. Schmidt
Hochauflösende Analyse von SAW-Wellenfeldern bei hohen Temperaturen
15. Polytec Vibrometer Anwenderkonferenz 2018, Waldbronn/ Germany, 13.-14.11.18
Waldbronn, Germany, 13.11.2018 - 14.11.2018

A. Sotnikov, H. Schmidt
Precise microacoustic characterizaion of new piezoelectric crystals
Sino-german workshop on Acoustics, Peking/ China, 14.-18.3.16

H. Schmidt, A. Sotnikov, S.V. Biryukov, M. Weihnacht
Precise Microacoustic Characterization of new Piezoelectric Crystals for High-Temperature Sensors
AMA Conferences 2015, Nuremberg/ Germany, 19.-21.5.15
URL

H. Schmidt, A. Sotnikov, M. Weihnacht, S. Biryukov
Precise characterization of crystals by means of surface acoustic waves
17th Scientific Seminar of the Dresden Fraunhofer Cluster Nanoanalysis (DFCNA), Dresden, 4.3.15

H. Schmidt
Microacoustic fluid actuators
5th International Workshop on Novel Developments and Applications in Sensor and Actuator Technology; ISAT, Coburg, 18.-20.9.13

H. Schmidt, X. Kong, C. Deneke, O.G. Schmidt
Dielectrophoretic manipulation of rolled-up microtubes by surface acoustic waves
IEEE NEMS 2011, Kaohsiung/ Taiwan, 20.-23.2.11

A. Sotnikov, H. Schmidt, M. Weihnacht
Characterization of new promising piezoelectric crystals
International Mini-Conference on Information Electronics Systems, Sendai/ Japan, 27.-28.10.09

H. Schmidt
Nanobeben auf kleinen Chips - Akustische Oberflaechenwellen
''Physik im Kaufpark'', Kaufpark Nickern, Dresden, 17.-20.3.09