2021

- M. Moras, C. Martínez-Domingo, R. Escudé, C. Herrojo, F. Paredes, L. Terés, F. Martín, E. Ramon, "Programmable Organic Chipless RFID Tags Inkjet Printed on Paper Substrates",  Applied Sciences. 2021; 11(17):7832. https://doi.org/10.3390/app11177832

- J. Muñoz-Enano, J. Martel, P. Vélez, F. Medina, L. Su, and F. Martin, "Parametric Analysis of the Edge Capacitance of Uniform Slots and Application to Frequency-Variation Permittivity Sensors",  Applied Sciences. 2021; 11(15):7000. https://doi.org/10.3390/app11157000

- A. Ebrahimi, J. Coromina, J. Muñoz-Enano, P. Vélez, J. Scott, K. Ghorbani, and F. Martin, "Highly Sensitive Phase-Variation Dielectric Constant Sensor Based on a Capacitively-Loaded Slow-Wave Transmission Line",  IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 68, no. 7, pp. 2787-2799, July 2021, doi: 10.1109/TCSI.2021.3074570.

- F. Paredes, C. Herrojo and F. Martín, "3D-Printed Quasi-Absolute Electromagnetic Encoders for Chipless-RFID and Motion Control Applications",  Electronics. 2021; 10(10):1154. https://doi.org/10.3390/electronics10101154

- P. Vélez, J. Muñoz-Enano, A. Ebrahimi, C. Herrojo, F. Paredes, J. Scott, K. Ghorbani, and F. Martin, "Single-Frequency Amplitude-Modulation Sensor for Dielectric Characterization of Solids and Microfluidics",  IEEE Sensors Journal, vol. 21, no. 10, pp. 12189-12201, 15 May, 2021, doi: 10.1109/JSEN.2021.3062290.

- F. Paredes, C. Herrojo and F. Martín, "Position Sensors for Industrial Applications Based on Electromagnetic Encoders",  Sensors. 2021; 21(8):2738. https://doi.org/10.3390/s21082738 (Review article)

- L. Su, J. Muñoz-Enano, P. Vélez, P. Casacuberta, M. Gil-Barba and F. Martin, "Phase-Variation Microwave Sensor for Permittivity Measurements Based on a High-Impedance Half-Wavelength Transmission Line",  IEEE Sensors Journal, vol. 21, no. 9, pp. 10647-10656, 1 May1, 2021, doi: 10.1109/JSEN.2021.3063112.

- J. Muñoz-Enano, J. Coromina, P. Vélez, L. Su, M. Gil-Barba, P. Casacuberta and F. Martin, "Phase-Variation Microwave Sensors for Material Characterization: A Review and Comparison of Various Approaches",  Sensors. 2021; 21(4):1542. https://doi.org/10.3390/s21041542

- L. Su, J. Muñoz-Enano, P. Vélez, M. Gil-Barba, P. Casacuberta and F. Martin, "Highly Sensitive Reflective-Mode Phase-Variation Permittivity Sensor Based on a Coplanar Waveguide Terminated With an Open Complementary Split Ring Resonator (OCSRR)",  IEEE Access, vol. 9, pp. 27928-27944, 2021, doi: 10.1109/ACCESS.2021.3058575.

- J. Martel, A. Fernández-Prieto, J. L. Medrán del Río, F. Martín and F. Medina, "Design of a Differential Coupled-Line Directional Coupler Using a Double-Side Coplanar Waveguide Structure With Common-Signal Suppression",  IEEE Transactions on Microwave Theory and Techniques, vol. 69, no. 2, pp. 1273-1281, Feb. 2021, doi: 10.1109/TMTT.2020.3041226.

- L. Su, J. Muñoz-Enano, P. Velez, P. Casacuberta, M. Gil and F. Martin, "Highly Sensitive Phase Variation Sensors Based on Step-Impedance Coplanar Waveguide (CPW) Transmission Lines",  IEEE Sensors Journal, vol. 21, no. 3, pp. 2864-2872, 1 Feb.1, 2021, doi: 10.1109/JSEN.2020.3023848.

- C. Herrojo, F. Paredes and F. Martín, "Synchronism and Direction Detection in High-Resolution/High-Density Electromagnetic Encoders",  IEEE Sensors Journal, vol. 21, no. 3, pp. 2873-2882, 1 Feb.1, 2021, doi: 10.1109/JSEN.2020.3025435.

- J. Muñoz-Enano, P. Vélez, L. Su, M. Gil, P. Casacuberta and F. Martín, "On the Sensitivity of Reflective-Mode Phase-Variation Sensors Based on Open-Ended Stepped-Impedance Transmission Lines: Theoretical Analysis and Experimental Validation",  IEEE Transactions on Microwave Theory and Techniques, vol. 69, no. 1, pp. 308-324, Jan. 2021, doi: 10.1109/TMTT.2020.3023728