Irfan Mujahidin, Akio Kitagawa, Ring slot CP antenna for the hybrid electromagnetic solar energy harvesting and IoT application, Telecommunication Computing Electronics and Control, Vol.21, No.2, pp.290-301, April 2023. DOI:10.12928/telkomnika.v21i2.24739
Bagas Martinus Rianu, Akio Kitagawa, Wahyu Dirgantara, Hand Gesture Recognition-Based Control System Using Computer Vision for Transporter Robot, 2023 International Conference on Radar, Antenna, Microwave, Electronics, and Telecommunications, pp.242-247, 2023.11.15. DOI: 10.1109/ICRAMET60171.2023.10366557
Irfan Mujahidin, Akio Kitagawa, CP Antenna with 2 x 4 Hybrid Coupler for Wireless Sensing and Hybrid RF Solar Energy Harvesting, Sensors, Vol.21, Issue 22, 7721 (20 pages), 2021.11, DOI:10.3390/s21227721
Irfan Mujahidin, Akio Kitagawa, The Novel CPW 2.4 GHz Antenna with Parallel Hybrid Electromagnetic Solar for IoT Energy Harvesting and Wireless Sensors, International Journal of Advanced Computer Science and Applications, Vol.12, No.8, pp.393-400, 2021.8, DOI:10.14569/IJACSA.2021.0120845
Muhammad Fauzan Edy Purnomo, Vita Kusumasari, Rudy Yuwono, Rahmadwati Rahmadwati, Rakhmad Romadhoni, Azizurrahman Rafli, Yuyu Wahyu, Akio Kitagawa, LHCP four patches stack triangular truncated antenna using corporate feed microstrip-line for CP-SAR sensor, International Journal of Electrical and Computer Engineering, Vol.11, No.5, pp.4125-4134, 2021.10, DOI: 10.11591/ijece.v11i5.pp4125-4134
Muhammad Fauzan Edy Purnomo, Vita Kusumasari, Rusmi Ambarwati, Sholeh Hadi Pramono, Sigit Kusmariyanto, Dwi Fadila KUrniawan, Akio Kitagawa, Development of patch stack antenna for CP-SAR sensor, Bulletin of Electrical Engineering and Informatics, Vol.10, No.1, pp.200-207, 2021.2. DOI: 10.11591/eei.v10i1.2672
Puput Dani Prasetyo Adi, Fransiska Sisilia Mukti, Panggih Nur Adi, Akio Kitagawa, Gomal Juni Yanris, Volvo Sihombing, Zunaidy Abdullah Siregar, ZigBee? and LoRa? performances on RF Propagation on the Snow Hills area, 2021 International Conference on Converging Technology in Electrical and Information Engineering, pp.36-41, 2021.10,27.
Puput Dani Prasetyo Adi, A Kitagawa, V Sihombing, G J Silaen, N E Mustamu, V M M Siregar, F A Sianturi, W Purba, A Study of Programmable System on Chip (PSoC) Technology for Engineering Education, 2nd Workshop on Engineering, Education, Applied Sciences and Technology (WEAST), 5 October 2021, Makassar, Indonesia, DOI: 10.1088/1742-6596/1899/1/012163
Puput Dani Prasetyo Adi, Akio Kitagawa, Dwi Arman Prasetya, Aries Boedi Setiawan, A Performance of ES920LR LoRa? for the Internet of Things: A Technology Review, IEEE 2021 3rd East Indonesia Conference on Computer and Information Technology (EIConCIT), pp.1-7, 2021.4.9, Surabaya, Indonesia, DOI: 10.1109/EIConCIT50028.2021.9431912
Irfan Mujahidin, Akio Kitagawa, The Compact 2.4 GHz Hybrid Electromagnetic Solar Energy Harvesting (HES-EH) circuit using Seven Stage Voltage Doubler and Organic Thin Film Solar Cell, IEEE Conferences 2021 4th International Seminar on Research of Information Technology and Intelligent Systems (ISRITI), pp.16-17 Dec. 2021, DOI : http://dx.doi.org/10.1109/ISRITI54043.2021.9702844
Muhammad Fauzan Edy Purnomo, Vita Kusumasari, Edi Supriana, Rusmi Ambarwati, Akio Kitagawa, "Development of Triangular Array Eight Patches Antennas for Circularly-Polarized Synthetic Aperture Radar Sensor", Telecommunication Computing Electronics and Control (TELKOMNIKA), Vol.18, No.2, pp.631-639, 2020.4 DOI:10.12928/TELKOMNIKA.v18i2.14759
Puput Dani Prasetyo Adi and Akio Kitagawa, "A Performance of Radio Frequency and Signal Strength of LoRa? with BME280 Sensor", Telecommunication Computing Electronics and Control (TELKOMNIKA), Vol.18, No.2, pp.649-660, 2020.4 DOI:10.12928/TELKOMNIKA.v18i2.14843
Puput Dani Prasetyo Adi and Akio Kitagawa, "Performance Evaluation of LoRa? ES920LR 920 MHz on the Development Board", International Journal of Advanced Computer Science and Applications, vol.11, no.6, pp.12-19, 2020.6, DOI: 10.14569/IJACSA.2020.0110602
Puput Dani Prasetyo Adi and Akio Kitagawa, "Performance Evaluation of Low Power Wide Area (LPWA) LoRa? 920 MHz Sensor Node to Medical Monitoring IoT Based", 2020 10th Electrical Power, Electronics, Communications, Controls and Informatics Seminar (EECCIS), pp.278-283, 2020.8 (Malang, Indonesia). DOI:10.1109/EECCIS49483.2020.9263418
Muhammad Fauzan Edy Purnomo, Vita Kusumasari;Rusmi Ambarwati, Irawan Sukma, Endah Budi Purnomowati, and Akio Kitagawa, "Development of Single Triangular Truncated Microstrip Antenna for CP-SAR Sensor", 2020 10th Electrical Power, Electronics, Communications, Controls and Informatics Seminar (EECCIS), pp.26-28, 2020.8 (Malang, Indonesia). DOI: 10.1109/EECCIS49483.2020.9263453
Puput Dani Prasetyo Adi, Akio Kitagawa, and Junichi Akita, "Finger Robotic control use M5Stack board and MQTT Protocol based", 2020 7th International Conference on Information Technology, Computer, and Electrical Engineering (ICITACEE), pp.1-6, 2020.9 (Semarang, Indonesia). DOI: 10.1109/ICITACEE50144.2020.9239170
Puput Dani Prasetyo Adi, Akio Kitagawa, Abdur Rabi, Nachrowie, Rahman Arifuddin, "Low-Power and Lossy Networks OF Wireless Sensor Networks with Protocols Algorithm Comparison", Journal of Electrical Engineering, Mechatronic and Computer Science (JEEMCS), vol.3, No.1, 2020.2.
Puput Dani Prasetyo Adi and Akio Kitagawa, "A Study of LoRa? Performance
in Monitoring of Patient’s SPO2 and Heart-Rate IoT based", International Journal of Advanced Computer Science and Applications, Vol.11, No.2, pp.238-251, 2020.2. DOI:10.14569/IJACSA.2020.0110232
Puput Dani Prasetyo Adi and Akio Kitagawa, "Performance Evaluation of E32 Long Range Radio Frequency 915 MHz based on Internet of Things and Micro Sensors Data", International Journal of Advanced Computer Science and Applications(IJACSA), Vol. 10, No. 11, pp.38-49, 2019.11. DOI:10.14569/IJACSA.2019.0101106
Muhammad Fauzan Edy Purnomo, Vita Kusumasari, Rini Nur Hasanah, Hadi Suyono, and Akio Kitagawa, "The Array Microstrip Antenna for Mobile-Internet of Satellite Energy Communication", International Journal of Computer and Communication Engineering, Vol. 8, No. 3, pp.119-128, 2019.7. DOI: 10.17706/IJCCE.2019.8.3.119-128
Jumadi Mabe Parenreng, Akio Kitagawa, and Dyah Darma Andayani, "A Study of Limited Resources and Security Adaptation for Extreme Area in Wireless Sensor Networks", Journal of Physics: Conf. Series Vol.1244, Issue 1 page 012013, 2019.6 DOI:10.1088/1742-6596/1244/1/012013
Puput Dani Prasetyo Adi and Akio Kitagawa, "ZigBee? Radio Frequency (RF) Performance on Raspberry Pi 3 for Internet of Things (IoT) based Blood Pressure Sensors Monitoring", International Journal of Advanced Computer Science and Applications, Vol. 10 Issue 5, pp.18-27, 2019.5 DOI: 10.14569/IJACSA.2019.0100504
Puput Dani Prasetyo Adi and Akio Kitagawa, "Quality of Service and Power Consumption Optimization on the IEEE 802.15.4 Pulse Sensor Node based on Internet of Things", International Journal of Advanced Computer Science and Applications, Vol. 10 Issue 5, pp.144-154, 2019.1 DOI: 10.14569/IJACSA.2019.0100518
Puput Dani Prasetyo Adi and Akio Kitagawa, "Performance of Radio Frequency and Signal Strength of LoRa? with BME280 Sensor", ICW-TELKOMINIKA 2019, 2019.11.19-22, Yogyakarta.
Muhammad Fauzan Edy Purnomo, Vita Kusumasari, Edi Supriana, Rusmi Ambarwati,
and Akio Kitagawa, "LHCP and RHCP Triangular Array Eight Patches Antennas for CP-SAR", ICW-TELKOMINIKA 2019, 2019.11.19-22, Yogyakarta.
Muhammad Fauzan Edy Purnomo, Vita Kusumasari, Hadi Suyono,
Rini Nur Hasanah, Akio Kitagawa, "The Four Patches of Triangular Microstrip Antennas as Configuration of CP-SAR", Proceedings of the 2019 2nd International Conference on Electronics and Electrical Engineering Technology, 2019.9., Penang, Malaysia, DOI: 10.1145/3362752.3362768
Puput Dani Prasetyo Adi and Akio Kitagawa, "Performance Evaluation WPAN of RN-42 Bluetooth based (802.15.1) for Sending the Multi-Sensor LM35 Data Temperature and RaspBerry? Pi 3 Model B for the Database and Internet Gateway", International Journal of Advanced Computer Science and Applications, Vol. 9 Issue 12, pp.612-620, 2018.1 DOI: 10.14569/IJACSA.2018.091285
Jumadi Mabe Parenreng and Akio Kitagawa, "Resource Optimization Techniques and Security Levels for Wireless Sensor Networks Based on the ARSy Framework", Sensors, vol.18, Issue 5, pp.1594 (15 pages), 2018.5. DOI: 10.3390/s18051594
Muhammad Fauzan Edy Purnomo and Akio Kitagawa, Triangular Microstrip Antenna for Circularly-Polarized Synthetic Aperture Rader Sensor Application, Indonesian Journal of Electrical Engineering and Computer Science, Vol.12, No.1, pp.310-318, October 2018. DOI: 10.11591/ijeecs.v12.i1.pp310-318
Muhammad Fauzan Edy Purnomo and Akio Kitagawa, "Development of Sixteen Elements of Microstrip Triangular Array Antenna for Circularly Polarized-Synthetic Aperture Radar Sensor Application", Journal of Fundamental and Applied Sciences, vol.10, No. 5S, pp.535-550, 2018.3. DOI: 10.4314/jfas.v10i5s.43
Muhammad Fauzan Edy Purnomo, "The Modified Triangular Microstrip Antenna for Circularly-Polarized Synthetic Aperture Radar Sensor", 3rd Asian Conference on Science, Technology and Medicine, http://livedna.org/62.25630, February 13 2018.
Irawan Sukma and Akio Kitagawa, Comparison Topologies of Resonant Tank from Class-C Wireless Power Transfer, 2018 IEEE International Workshop on Electromagnetics, POS2.52, pp.1-2, August 20 2018. DOI: 10.1109/iWEM.2018.8536684
Muhammad Fauzan Edy Purnomo and Akio Kitagawa, The Analysis of Basic Construction of Triangular Microstrip Antenna Using Modified Lossless Power Divider for Circularly-Polarized Synthetic Aperture Radar Sensor Application, 12th International Power Engineering, Optimization and Computing Conference, Paper ID: 59, July 2018.
Muhammad Fauzan Edy Purnomo and Akio Kitagawa, Development of Equilateral Triangular Array Antenna with Truncated-Tip for Circularly Polarized-Synthetic Aperture Radar Sensor Application, Proceedings of 12th European Conference on Synthetic Aperture Radar, Session E.10, pp.1462-1467, June 2018.
Muhammad Fauzan Edy Purnomo and Akio Kitagawa, Analysis Performance of Triangle Microstrip Antenna for Basic Construction of Circularly Polarized-Synthetic Aperture Radar Application, Jurnal Teknologi, Vol.80, No.2, pp.93-104, 2018. DOI: 10.11113/jt.v80.11119
Muhammad Fauzan Edy Purnomo and Akio Kitagawa, Development of Sixteen Elements of Microstrip Triangular Array Antenna for Circularly Polarized-Synthetic Aperture Radar Sensor Application, International Conference on Electrical Engineering and Computing (ICEEComp2018), Session 3A, Paper ID 92, 2018.3.24-25
Muhammad Fauzan Edy Purnomo and Akio Kitagawa, Developing Basic Configuration of Triangle Array Antenna for Circularly Polarized-Synthetic Aperture Radar Sensor Application, IEEE 2017 International Conference on Radar, Antenna, Microwave, Electronics, and Telecommunications, pp.112-117, 2017.10.23-24. DOI: 10.1109/ICRAMET.2017.8253157
北川章夫, 1チップフリーラジカルセンサ, SENSOR EXPO JAPAN 2017, 東京ビッグサイト, 2017.9.13-15.
Jumadi Mabe Parenreng and Akio Kitagawa, A Model of Security Adaptation for Limited Resources in Wireless Sensor Network. Journal of Computer and Communications, 5, 10-23, 2017. DOI: 10.4236/jcc.2017.53002
Parenreng, J.M. and Kitagawa, A., A Model of Security Adaptation for Limited
Resources in Wireless Sensor Network, The 4th Conference on Sensors and Networks (CSN 2017), 3-6, 2017.3.19(18-20), Xi'an, China.
Jumadi Parenreng, Akio Kitagawa, Adaptability resource and security based workload system on wireless sensor network, LSIとシステムのワークショップ2016, 東京大学生産技術研究所, 2016.5.16-17.
Arief SUDARMAJI and Akio KITAGAWA, Application of Temperature Modulation-SDP on MOS Gas Sensors: Capturing Soil Gaseous Profile for Discrimination of Soil under Different Nutrient Addition,
Journal of Sensors, Vol. 2016 (2016), Article ID 1035902, 11 pages, March 2016.
DOI 10.1155/2016/1035902
Arief SUDARMAJI and Akio KITAGAWA, Temperature Modulation with Specified Detection Point on Metal Oxide Semiconductor Gas Sensors for E-Nose Application,
Sensors & Transducers, Vol.186, Issue 3, pp.93-103, March 2015.
Kazuya Nakayama and Akio Kitagawa, Circuit Implementation, Operation, and Simulation of Multivalued Nonvolatile Static Random Access Memory Using a Resistivity Change Device, Active and Passive Electronic Components, Vol.2013, Article ID 839198, 9 pages, 2013.12
Mitsunori Ozaki, Satoshi Yagitani, Hirotsugu Kojima, Ken Takahashi, and Akio Kitagawa, Current-Sensitive CMOS Preamplifier for Investigating Space Plasma Waves by Magnetic Search Coils, IEEE Sensors Journal, Vol.14, No. 2, pp.421-429, 2014.2
Arief Sudarmaji, Akio Kitagawa and Junichi Akita, Design of Wireless Measurement of Soil Gases and Soil Environment Based on Programmable-System-On-Chip, The International Symposium on Agricultural and Biosystem Engineering (ISABE) 2013, No. E-5, 2013.8.28.
Takaya Handa,1 Yuhei Yoshimoto,1 Kazuya Nakayama,2 and Akio Kitagawa, Novel Power Reduction Technique for ReRAM with Automatic Avoidance Circuit for Wasteful Overwrite, Active and Passive Electronic Components, Vol.2012, Article ID 181395, 11 pages, 2012.4
Takaya Handa, Yuhei Yoshimoto, Kazuya Nakayama and Akio Kitagawa, Novel power reduction technique for ReRAM with automatic avoidance circuit for wasteful overwrite, Active and Passive Electronic Components, Vol. 2012, Article ID 181395, 2012.4.
Akio Kitagawa, Electron Spin Resonance Measurement with Microinductor on Chip, Journal of Sensors, Vol. 2011, Article ID 813636, 2011.7.
Akio Kitagawa, Design and Characterization of Nano-Displacement Sensor with High-Frequency Oscillators, Journal of Sensors, Vol. 2011, Article ID 360173, 2011.6.
J.Akita, Y.Maeda, A.Kitagawa, Design and Preliminary Evaluation of CMOS Image Sensor with Pseudorandom Pixel Placement, Proc. of 2011 International Image Sensor Workshop, pp.118-121, 2011.6.
Ji Cui, Junichi Akita, and Akio Kitagawa, A rectifier structure for UHF RFID transponder with high efficiency, IEICE Electronics Express, Vol.7, No.14, pp.1086-1090, 2010.7.
Ji Cui, Junichi Akita and Akio Kitagawa: A Novel Rectifier Architecture for UHF RFID Transponder, 2010 International Conference on Solid State Devices and Materials, P-5-13, 2010.9.
J.Akita, T.Komatsu, K.Ito, T.Ono, M.Okamoto, CyARM: Haptic Sensing Device for Spatial Localization on Basis of Exploration by Arms, Advances in Human-Computer Interaction, Vol.2009, Article ID 901707, 2009.
Y.Maeda and J Akita,"A CMOS Image Sensor with Pseudorandom Pixel Placement for Clear Imaging",International Symposium on Intelligent Signal Processing and Communication Systems,pp.38,2009.12
A. Kitagawa and K. Nakayama, "Phase change nonvolatile SRAM and register", Proceedings of the 21th symposium on Phase Change Optical Information Strage, pp.33-36, 2009.11(招待講演)
T.Murakami, J.Akita, M.Toda, Power Line Communication Transceiver on Conductive Wear for Wearable Computing, International Transactions on Systems Science and Applications, Vol. 4, No. 3, pp. 287-291, 2008.10.
K. Nakayama, M. Takata, T. Kasai, A. Kitagawa, J. Akita, Pulse number control of electrical resistance for multi-level storage based on phase change, J. Physics D, Vol.40, pp.5061-5065, 2007.10
J.Akita, H.Takagi, K.Doumae, A.Kitagawa, M.Toda, T.Nagasaki, T.Kawashima, Column-Parallel Vision Chip Architecture for High-Resolution Line-of-Sight Detection Including Saccade, IEICE Trans. on Electronics, Vol.E90-C, No.10, pp.1869-1875, 2007.10.
J.Akita, T.Shinmura, S.Sakurazawa, K.Yanagihara, M.Kunita, M.Toda, K.Iwata, Wearable Electromyography Measurement System using Cable Free Network System on Conductive Fabric, Artificial Intelligence in Medicine, Vol.42 No.2, pp.99-108, 2008.2.
J.Akita, H.Takagi, T.Nagasaki, M.TOda, T.Kawashima, A.Kitagawa, Vision Chip Architecture for Detecting Line of Sight Including Saccade, IEICE Transactions on Electronics, Vol.E89-C, No.11, pp.1605-1611, 2006.11.
J.Akita, T.Shinmura, T.Murakami, M.Yao, M.Toda, TextileNet?: Flexible Network Infrastructure for Wearable Computing Using Conductive Fabric, International Transactions on Systems Science and Applications, Vol.1, No.2, pp.201--205, 2006.12.
T.Ono, T.Komatsu, J.Akita, K.Ito, M.Okamoto, CyARM: Interactive Device for Environment Recognition and Joint Haptic Attention Using Non-visual Modality, Proceedings of 10th International Conference on Computers Helping People with Special Needs (ICCHP 2006), K. Miesenberger et al. (Eds.), LNCS 4061, pp. 1251-1258, 2006.7.
J.Akita, T.Shinmura, T.Murakam, M.Yao, M.Toda, Flexible Network System for Wearable Computing Using Conductive Fabric, Proceedings of 2006 International Workshop on Future Mobile and Ubiquitous Information Technologies (FMUIT'06), 3-3, 2006.5.
J.Akita, T.Shinmura, T.Murakami, M.Yao, M.Toda, Flexible Network Infrastructure for Wearable Computing Using Conductive Fabric and Its Evaluation, The 6th Int. Workshop. on Smart Appliances and Wearable Computing, in Conjection with The 26th Int. Conf. on Distributed Computing Systems (ICDCS2006) (CD-ROM), 2006.7.
M.Toda, J.Akita, S.Sakurazawa, K.Yanagihara, M.Kunita, K.Iwata, Wearable Biomedical Monitoring System Using TextileNet?, Proceedings of ISWC2006, pp.119-120, 2006.10.
K.Ito, M.Okamoto, J.Akita, T.Ono, I.Gyobu, T.Takagi, T.Hoshi and Y.Mishima, CyARM: an Alternative Aid Device for Blind Persons, Proceedings of Conf. on Human Factors in Computing Systems 2005 (CHI2005), P-36, 2005.4.
J.Akita, H.Takagi, T.Nagasaki. M.Toda, T.Kawashima, A.Kitagawa, Vision Chip Architecture for Saccade Tracking, Proceedings of 2005 IEEE Workshop on Charge-Coupled Devices and Advanced Image Sensors, P23, pp.133-136, 2005.6.
M.Toda, J.Akita, K.Iwata, Flexible Network System for Ubiquitous Computing Using Fabric Material, Proc. of Korea-Japan Joint Workshop on Ubiquitous Computing & Networking System 2005(情報処理学会研究報告), 2005.6.
J.Akita, K.Ito, T.Komatsu, T.Ono, M.Okamoto, CyARM: Direct Perception Device by Dynamic Touch, Proceedings of 13th Int. Conf. on Perception and Action(ICPA), H.Heft&K.L.Marsh(Eds.), Studies in Perception & Action VIII, pp.87-90, 2005.7.
M.Okamoto, J.Akita, K.Ito, T.Ono, See it by Hand - CyARM, Proceedings of 2nd International Conference on Enactive Interfaces (Enactive05), 2005.11.
Masashi Takata, Kazuya Nakayama, Takatomi Izumi, Toru Shinmura, and Akio Kitagawa, "Nonvolatile SRAM based on Phase Change," The 17th Symposium on Phase Change Optical Storage, memory and Beyond, pp.83-88, 2005.11.
T.Komatsu, T.Ono, J.Akita, K.Ito and M.Okamoto, See it by Hand -- CyARM: Enhancing interaction ability without using visual information, Proceedings of 3rd Int. Conf. on Computational Intelligence, Robotics and Autonomous Systems (CIRAS2005), SS4B-2 (CD-ROM), 2005.12.
J.Akita, Rough information processing -- a computing paradigm for analog systems, IEICE Trans. on Electronics, Vol.E87-C, No.11, pp.1177-1179, 2004.11.
Masashi Takata, Kazuya Nakayama, and Akio Kitagawa, "Multiple Programming Method and Circuitry for a Phase Change Nonvolatile Random Access Memory (PRAM)," IEICE Trans. Electron., Vol.E87-C, No.10, pp.1679-1682 2004.
J.Akita, M.Toda, K.Kimura, Handy Meteorological Observation System for Hands-on Study, Proceedings of the 8th World Multiconference of Systemics, Cybernetics and Informatics (SCI2004), Vol.X, pp.155-159, 2004.7.
J.Akita, K.Ito, I.Gyobu, K.Kimura, A.Mihara, R.Mizuno, J.Nakakoji, K.Yanagihara, Dynamic Lighting Sign System for Way-Finding by People with Low Vision, Proc. of 9th Int. Conf. on Computers Helping People wih Special Needs (ICCHP2004), K.Miesenberget et al.(Eds.), Computers Helping People with Special Needs, LNCS3118, pp.450-453, 2004.7.
M.Okamoto, J.Akita, K.Ito, T.Ono, T.Takagi, CyARM- Interactive Device for Environment Recognition Using a Non-Visual Modality, Proc. of 9th Int. Conf. on Computers Helping People wih Special Needs (ICCHP2004), K.Miesenberget et al.(Eds.), Computers Helping People with Special Needs, LNCS3118, pp.462-467, 2004.7.
J.Akita, Rough information processing -- a computing paradigm for analog systems, IEICE Trans. on Electronics, Vol.E87-C, No.11, pp.1177-1179, 2004.11.
M.Okamto, J.Akita, K.Ito, T.Ono, See it by Hand-CyARM, 10th Int. Conf. on Virtual Systems and Multimedia (VSMM), pp.1194-1203, 2004.11.
K.Nakayama, M. Takata, T. Izumi, K. Kojima, A. Kitagawa, M. Kumeda and M. Suzuki, "Nonvolatile memory based on phase change" Proceedings of ISNM2004, pp.181-185, 2004.11. (Invited paper)