Numerical Investigation of a Pt/HfSiON/Ti MIM Rectifying Diode for LWIR Energy Harvesting.

Rocco Citroni, Luca Balestreri, Fabio Mangini, Fabrizio Frezza

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Article in Nanomaterials (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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4 authors.

Rocco CitroniDepartment of Information Engineering, Electronics and Telecommunications (DIET), "La Sapienza" University of Rome, 00184 Rome, Italy.ORCID 0000-0003-4336-6013

Luca BalestreriDepartment of Information Engineering, Electronics and Telecommunications (DIET), "La Sapienza" University of Rome, 00184 Rome, Italy.ORCID 0009-0005-5397-9659

Fabio ManginiDepartment of Engineering, Niccolò Cusano University, 00166 Rome, Italy.ORCID 0000-0001-5474-8952

Fabrizio FrezzaDepartment of Information Engineering, Electronics and Telecommunications (DIET), "La Sapienza" University of Rome, 00184 Rome, Italy.ORCID 0000-0001-9457-7617

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This work presents a numerical investigation of an asymmetric Pt/HfSiON/Ti metal-insulator-metal (MIM) tunnel diode for long-wave infrared (LWIR) rectenna applications at 28.3 THz (10.6 μm). HfSiON is investigated as the tunneling dielectric owing to its favorable electronic properties, thermal stability, and compatibility with nanoscale device fabrication. The electrical transport and rectification characteristics are evaluated using the full Simmons quantum-mechanical tunneling model implemented in MATLAB release 2025b. The analysis encompasses the current density-voltage (J-V) and current-voltage (I-V) characteristics, zero-bias dynamic resistance, current asymmetry, nonlinearity, responsivity, and temperature dependence. Under AC excitation, the Pt/HfSiON/Ti diode exhibits a calculated rectified current density of 1.78 × 10

Indexed as

antenna–figure of merit (FOM)HfSiONinfrared energy harvestinglong-wave infrared (LWIR)metal–insulator–metal (MIM) diodeSimmons tunneling model

Identifiers

PMID42784168

DOI10.3390/nano16181159

PMCPMC13610036

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.